{
  "conformance": {
    "checked": 1,
    "counts": {
      "SKIPPED": 1
    },
    "missing": [
      "orekit_jpype not importable (ModuleNotFoundError: No module named 'orekit_jpype'); pip install 'satnogs-optical-network[od]'",
      "no JVM (JAVA_HOME unset and no 'java' on PATH)",
      "orekit-data not found (set OREKIT_DATA_PATH to the orekit-data zip or directory, or put orekit-data.zip in the working directory)"
    ],
    "note": "Orekit is the conformance authority (ADR 0014). SKIPPED means it did not run here; it does not mean the file conforms. NOT_RUN means nothing was checked at all, which is not a pass either. This deployment does not carry a JVM, by decision (network #11): the gate runs on bench machines that install the optional [od] extra, not on the deployed service.",
    "status": "SKIPPED",
    "structural_problems": []
  },
  "correlation_metrics": {
    "basis": "correlation",
    "correlation_run_id": 62,
    "note": "counts here move when correlation improves; the five primary metrics do not (see docs/decisions/0002-unk-participants.md)",
    "objects": 119,
    "objects_not_in_advisory": 61,
    "tracks_resolved_beyond_advisory": 154,
    "tracks_with_object": 242,
    "tracks_without_object": 27,
    "unk_designations": 27
  },
  "correlation_run_id": 62,
  "correlation_version": 4,
  "date": "2026-08-25",
  "epoch_collisions": {
    "detail": [
      {
        "epoch": "2026-08-25T18:42:43.584787",
        "excluded_measurements": 3,
        "kind": "contradictory",
        "measurements": [
          "0b9a9e55-117f-5213-b85a-ff4861d20830",
          "1ed9e27f-b18f-56fa-9a80-c34ee8418f55",
          "773e3b93-7e22-5985-864d-c8531608c2df"
        ],
        "object_norad_id": 67995,
        "positions": [
          "174.289994 72.005016",
          "174.508584 71.139316",
          "174.790160 69.866029"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4756,
          4757,
          4758
        ],
        "station_id": 4,
        "track_id": 4756
      },
      {
        "epoch": "2026-08-25T18:45:45.401285",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "88ec86e8-dc77-54db-832e-44b5a7ded279",
          "8d5802f1-12bc-5b2d-8b7e-eea4b70a9ee4"
        ],
        "object_norad_id": 56924,
        "positions": [
          "168.700804 71.771731",
          "179.538362 67.374338"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4761,
          4763
        ],
        "station_id": 4,
        "track_id": 4761
      },
      {
        "epoch": "2026-08-25T18:45:58.513748",
        "excluded_measurements": 1,
        "kind": "contradictory",
        "measurements": [
          "4825fddd-24be-5e42-9421-9a3789a15128"
        ],
        "object_norad_id": 56924,
        "positions": [
          "175.609021 73.473750",
          "176.078303 72.938769",
          "178.220031 69.945395"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4761,
          4763
        ],
        "station_id": 4,
        "track_id": 4761
      },
      {
        "epoch": "2026-08-25T18:45:58.513748",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "17a1c9a5-f79e-5a02-b774-b263ccc15a57",
          "da14f5cc-1f2e-53cf-beef-f38b46b13269"
        ],
        "positions": [
          "175.609021 73.473750",
          "176.078303 72.938769"
        ],
        "published_observations": 0,
        "station_id": 4,
        "track_id": 4763
      },
      {
        "epoch": "2026-08-25T18:50:58.013704",
        "excluded_measurements": 10,
        "kind": "contradictory",
        "measurements": [
          "0d83e1fc-ef79-5491-a3b1-05b0ec8dbee9",
          "26bd9ff5-cdf2-57d7-b9c0-0a10ddd45c7a",
          "441ff8d9-84a0-5c0a-8b16-c099327cc784",
          "7ea585c2-590e-57a4-9b6f-95c3dafccc9b",
          "841cba5e-24f8-5302-ae79-71115b2c3ffd",
          "a8da4469-b4aa-5308-9499-38dcc8c1f701",
          "b2e9d110-73f2-5ee2-8349-39a69bb2d1cc",
          "ccd267b6-b40b-5503-af19-b7f33aa916ce",
          "ea7e24ab-e729-57cd-abfc-d46e778bd827",
          "fd33e3f6-85f7-50a0-af16-c3caf4602fe5"
        ],
        "object_norad_id": 59955,
        "positions": [
          "172.061611 64.755889",
          "172.238563 64.946958",
          "172.502456 65.232455",
          "172.783539 65.524805",
          "173.092277 65.844036",
          "173.255790 66.013332",
          "173.465512 66.221531",
          "173.811303 66.559094",
          "174.136216 66.866838",
          "174.544781 67.246713"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4764,
          4765,
          4766,
          4767,
          4768,
          4769,
          4770,
          4771,
          4772,
          4773
        ],
        "station_id": 4,
        "track_id": 4764
      },
      {
        "epoch": "2026-08-25T18:51:11.104886",
        "excluded_measurements": 3,
        "kind": "contradictory",
        "measurements": [
          "92679f31-ecda-57de-b440-58cb06c45af1",
          "a591eb34-9502-5257-8dd3-8c9c623f14cb",
          "fb8c6a29-777c-5ce1-a0a3-74f661ba91b0"
        ],
        "object_norad_id": 59955,
        "positions": [
          "180.043294 71.304487",
          "180.698646 71.695805",
          "180.989630 71.865861"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4775,
          4776,
          4777
        ],
        "station_id": 4,
        "track_id": 4775
      },
      {
        "epoch": "2026-08-25T18:57:27.052516",
        "excluded_measurements": 5,
        "kind": "contradictory",
        "measurements": [
          "1ac70ac7-a456-5065-8627-02956cf20a0d",
          "8dcb33a0-6e9f-5a86-915c-6795ad15b986",
          "95e328c7-25f1-53ea-bd1d-1635198f2bc3",
          "9c4642a8-9f82-56a2-8b87-2ca9a99dc9ad",
          "b1a8b7ec-1abb-5674-8ed5-8908d5e930cf"
        ],
        "object_norad_id": 56900,
        "positions": [
          "177.789579 69.285615",
          "178.864780 67.606617",
          "179.081825 67.227264",
          "179.193522 67.031393",
          "179.320236 66.799040"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4782,
          4783,
          4784,
          4785,
          4786
        ],
        "station_id": 4,
        "track_id": 4782
      },
      {
        "epoch": "2026-08-25T19:11:56.429052",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "8c1775b3-849c-52cb-b575-bed54a9c9562",
          "d9725e9c-c5de-5267-802a-c422f376879e"
        ],
        "object_norad_id": 68137,
        "positions": [
          "182.604618 68.643928",
          "182.967306 69.363168"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4794,
          4795
        ],
        "station_id": 4,
        "track_id": 4794
      },
      {
        "epoch": "2026-08-25T19:21:53.197291",
        "excluded_measurements": 4,
        "kind": "contradictory",
        "measurements": [
          "a3dafd9b-047f-5058-9774-decdd3fbc679",
          "a51b1e0f-c29e-564c-9094-d2b39ecf95b4",
          "cfbfaef6-ad41-5b13-b0b1-22fe062074b6",
          "edfc66cd-046c-5f47-b5d4-0e369837dadb"
        ],
        "object_norad_id": 58082,
        "positions": [
          "183.852087 71.153140",
          "185.028462 69.535110",
          "185.431770 68.911446",
          "185.860701 68.196241"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4809,
          4810,
          4811,
          4812
        ],
        "station_id": 4,
        "track_id": 4809
      },
      {
        "epoch": "2026-08-25T19:27:42.843720",
        "excluded_measurements": 4,
        "kind": "contradictory",
        "measurements": [
          "01238442-f2d4-57ef-a48a-c32dd3c5718e",
          "2e56fa28-ab43-5740-a4d9-5a887a31db7e",
          "33515e0a-14aa-51ae-86fb-4e81929873cb",
          "f9b29e38-a422-54f6-b76c-ca0607481166"
        ],
        "object_norad_id": 52347,
        "positions": [
          "172.260121 69.753279",
          "172.327403 69.986438",
          "172.419043 70.303762",
          "172.528672 70.674342"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4813,
          4814,
          4815,
          4816
        ],
        "station_id": 4,
        "track_id": 4813
      },
      {
        "epoch": "2026-08-25T19:37:01.576315",
        "excluded_measurements": 4,
        "kind": "contradictory",
        "measurements": [
          "13893eef-3f9b-5421-a2aa-acd9ec15fac3",
          "b2edcbfa-945f-5f03-bd80-da205a7d491f",
          "b4979a65-ad1e-5bce-a65f-111d3a5a5c23",
          "e5aae214-1aee-5d1b-bd7c-7e6e84a5b2ee"
        ],
        "object_norad_id": 40336,
        "positions": [
          "186.623822 65.350646",
          "187.267831 65.357115",
          "188.054196 65.361261",
          "189.526668 65.357222"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4820,
          4821,
          4822,
          4823
        ],
        "station_id": 4,
        "track_id": 4820
      },
      {
        "epoch": "2026-08-25T20:02:06.709048",
        "excluded_measurements": 5,
        "kind": "contradictory",
        "measurements": [
          "5dd0746b-c704-58cd-90d2-c0990cc012f2",
          "c58cab5a-b9ef-596b-b0c1-67ce9795c361",
          "d3069c3b-13dc-56e7-8ec1-d410108f0597",
          "ea2e3d6f-a7f3-5760-a16a-44dceac8dfc6",
          "f6aad99d-267f-54df-8e8c-e63ff54fac7b"
        ],
        "object_norad_id": 67244,
        "positions": [
          "206.747912 68.544643",
          "206.981368 67.902738",
          "207.045624 67.708175",
          "207.131821 67.462193",
          "207.207901 67.225492"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4830,
          4832,
          4833,
          4834,
          4835
        ],
        "station_id": 4,
        "track_id": 4830
      },
      {
        "epoch": "2026-08-25T20:07:05.020989",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "dfd92bb7-6eca-5d89-ae49-f447db825e86",
          "f45a3b5b-5c6f-595b-a797-178b0067b717"
        ],
        "object_norad_id": 63163,
        "positions": [
          "188.413620 66.438414",
          "190.159743 66.315381"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4837,
          4838
        ],
        "station_id": 4,
        "track_id": 4837
      },
      {
        "epoch": "2026-08-25T20:14:51.580733",
        "excluded_measurements": 6,
        "kind": "contradictory",
        "measurements": [
          "18816d96-5f12-5749-bba8-a95c3af27139",
          "3da66c7b-0849-58a4-a10d-94d82bf50921",
          "beb1d4d3-d8f7-5c24-8a2a-c9a050eb77c3",
          "d1a5f552-face-5aae-87c0-0a83fbb05c7e",
          "df87d37c-0106-52fc-93ba-4c051ac9de4e",
          "fd2ca0a6-4e8a-5f09-8729-e61afc5de18b"
        ],
        "object_norad_id": 67241,
        "positions": [
          "204.109319 68.967408",
          "204.390101 68.472327",
          "204.539437 68.199544",
          "204.704835 67.884715",
          "204.818243 67.669504",
          "204.885512 67.526651"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4840,
          4841,
          4842,
          4843,
          4844,
          4845
        ],
        "station_id": 4,
        "track_id": 4840
      },
      {
        "epoch": "2026-08-25T20:15:04.600856",
        "excluded_measurements": 1,
        "kind": "contradictory",
        "measurements": [
          "e309a59e-95ae-53d1-8458-bf43a830079d"
        ],
        "object_norad_id": 67241,
        "positions": [
          "202.145090 71.877615",
          "202.711204 71.156029",
          "203.323347 70.297516"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4844,
          4845
        ],
        "station_id": 4,
        "track_id": 4844
      },
      {
        "epoch": "2026-08-25T20:15:04.600856",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "a359dd03-7d7a-5d4d-9576-88b9c491d9ed",
          "f9e7c1df-a0f2-59b3-bec4-53916d9dc272"
        ],
        "positions": [
          "202.145090 71.877615",
          "202.711204 71.156029"
        ],
        "published_observations": 0,
        "station_id": 4,
        "track_id": 4845
      },
      {
        "epoch": "2026-08-25T20:22:13.804293",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "c44c5f4b-5086-54aa-9e76-7d6ef01f6124",
          "f8d023ba-f875-52b9-a1f3-fd359ab13c0b"
        ],
        "object_norad_id": 63175,
        "positions": [
          "185.764325 69.889933",
          "188.229220 69.895286"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4849,
          4850
        ],
        "station_id": 4,
        "track_id": 4849
      },
      {
        "epoch": "2026-08-25T20:31:04.949172",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "c3c0847a-edd3-5608-83d0-1c1b9156118b",
          "f2096d2c-df60-5e3e-9a96-e000a2c9db46"
        ],
        "object_norad_id": 33591,
        "positions": [
          "210.174149 73.521002",
          "210.836941 73.534415"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4854,
          4855
        ],
        "station_id": 4,
        "track_id": 4854
      },
      {
        "epoch": "2026-08-25T21:05:05.451677",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "22776c91-0902-5d77-9f15-4c4919c09d65",
          "7ee85ca0-4bfc-5d04-8ee3-a3077ce82a29"
        ],
        "object_norad_id": 67238,
        "positions": [
          "204.937914 65.275921",
          "205.198740 64.901453"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4861,
          4862
        ],
        "station_id": 4,
        "track_id": 4861
      },
      {
        "epoch": "2026-08-26T00:35:38.634961",
        "excluded_measurements": 3,
        "kind": "contradictory",
        "measurements": [
          "1aba5479-da91-5d03-b121-35a71baa013c",
          "79f86a28-90a8-561a-9117-e79b34b8623a",
          "dff0a461-f72c-5c7b-8c37-49974f9642d4"
        ],
        "object_norad_id": 40553,
        "positions": [
          "286.214191 68.381783",
          "286.880524 68.150787",
          "287.322585 67.989614"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4902,
          4903,
          4904
        ],
        "station_id": 4,
        "track_id": 4902
      },
      {
        "epoch": "2026-08-26T00:43:15.993651",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "81ed68bd-8d82-530b-912d-ed033573e054",
          "f4c5da54-1b3e-5c5e-862b-dfb4d992eae9"
        ],
        "object_norad_id": 66916,
        "positions": [
          "258.525908 67.998935",
          "258.610090 67.129561"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4905,
          4906
        ],
        "station_id": 4,
        "track_id": 4905
      },
      {
        "epoch": "2026-08-26T00:43:42.003495",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "3980d16c-c826-5ae0-be39-5ae826d9624b",
          "9b4a55cc-4e00-50b5-8f4d-113431aad6ae"
        ],
        "object_norad_id": 66916,
        "positions": [
          "258.127213 71.602713",
          "258.235300 71.001023"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4906,
          4907
        ],
        "station_id": 4,
        "track_id": 4906
      },
      {
        "epoch": "2026-08-26T00:45:38.465861",
        "excluded_measurements": 3,
        "kind": "contradictory",
        "measurements": [
          "0afa8744-c7ca-53b5-beb2-90e39415036e",
          "339f9b0e-04a0-5999-9e92-67ae67ec7c36",
          "4f3e4544-32f9-5914-9e59-3d11658f3186"
        ],
        "object_norad_id": 65996,
        "positions": [
          "263.071367 66.097497",
          "263.893162 64.844620",
          "264.052056 64.587158"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4908,
          4909,
          4910
        ],
        "station_id": 4,
        "track_id": 4908
      },
      {
        "epoch": "2026-08-26T00:45:51.541466",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "c1e81f34-4927-5edd-8341-cbba56708a75",
          "d0f6ef9f-ba9a-546f-9648-aace53a4029f"
        ],
        "positions": [
          "262.231597 67.299597",
          "262.475562 66.985580"
        ],
        "published_observations": 0,
        "station_id": 4,
        "track_id": 4909
      },
      {
        "epoch": "2026-08-26T00:45:51.541466",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "b2069416-4f98-5490-9b97-d36be5247d31",
          "c8c4c26d-fd72-5437-ad1b-7715b4dfb300"
        ],
        "positions": [
          "261.241802 68.491989",
          "261.763961 67.882201"
        ],
        "published_observations": 0,
        "station_id": 4,
        "track_id": 4910
      },
      {
        "epoch": "2026-08-26T01:49:08.335372",
        "excluded_measurements": 4,
        "kind": "contradictory",
        "measurements": [
          "063dd990-a2d9-5d90-aeb6-b6aefe337405",
          "5dc95db9-be90-5037-9164-425ad72f668c",
          "945f02db-bf09-53cd-9232-e2d2400c6004",
          "daec7fa5-4c59-5754-abac-6167c8542084"
        ],
        "object_norad_id": 58851,
        "positions": [
          "282.790315 70.649801",
          "284.404282 69.869605",
          "284.908351 69.609395",
          "285.901478 69.072745"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4931,
          4932,
          4933,
          4934
        ],
        "station_id": 4,
        "track_id": 4931
      },
      {
        "epoch": "2026-08-26T01:50:51.615809",
        "excluded_measurements": 4,
        "kind": "contradictory",
        "measurements": [
          "15307557-2dbf-51ab-8773-f44ebf4bbb63",
          "3e9cb948-80fd-52f3-a60f-5f0d85f9b95b",
          "7b99a610-b434-5b74-9aaa-0579a73a7bc9",
          "f8ae5ea0-414b-549b-8371-ed438741c3b8"
        ],
        "object_norad_id": 22566,
        "positions": [
          "291.484318 71.142592",
          "294.218915 71.338254",
          "296.122674 71.449537",
          "297.259967 71.505261"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4935,
          4936,
          4937,
          4938
        ],
        "station_id": 4,
        "track_id": 4935
      },
      {
        "epoch": "2026-08-26T01:57:44.219410",
        "excluded_measurements": 5,
        "kind": "contradictory",
        "measurements": [
          "160de314-2b4d-5759-8de3-905db22356f6",
          "3d06abd9-6237-55a6-ab42-6866bfc45b29",
          "cf7f32a1-a2e9-58bc-8c28-0f841c057469",
          "e1aa000e-5f16-5be0-9aa2-1bc13d715768",
          "e3cf62b0-e1cd-5fe3-a75b-4474e99c0c02"
        ],
        "object_norad_id": 63804,
        "positions": [
          "278.354566 70.799359",
          "278.545945 70.579126",
          "278.768628 70.320001",
          "279.063133 69.971066",
          "279.579720 69.321306"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4941,
          4942,
          4943,
          4944,
          4945
        ],
        "station_id": 4,
        "track_id": 4941
      },
      {
        "epoch": "2026-08-26T01:59:40.646596",
        "excluded_measurements": 6,
        "kind": "contradictory",
        "measurements": [
          "30dd8f80-e904-5717-997a-bbdf4b32109b",
          "70d70d45-fe36-5a02-9785-7f312ed26bbd",
          "8139485f-ff13-5275-adff-814ce2c09c84",
          "9db02957-85c9-5452-a8f0-bb705949409e",
          "f1759e35-a0a0-5337-97ef-f8ff2310af8c",
          "f394b897-6c94-56e0-86e2-26fd86fa1d0b"
        ],
        "object_norad_id": 63817,
        "positions": [
          "278.228046 70.909087",
          "279.408054 69.501740",
          "279.825343 68.946677",
          "280.179268 68.453830",
          "280.358798 68.190457",
          "280.479579 68.020505"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4946,
          4952,
          4954,
          4955,
          4956,
          4957
        ],
        "station_id": 4,
        "track_id": 4946
      },
      {
        "epoch": "2026-08-26T01:59:40.646596",
        "excluded_measurements": 6,
        "kind": "contradictory",
        "measurements": [
          "59f2b7a6-d0a0-5b8d-b08c-dbcaf2f63661",
          "66885852-cd0a-5458-b834-79b80ee097d5",
          "c4e191bc-2c0e-5474-bef2-fea6154dc131",
          "d60f73e1-b4a1-530f-aa80-fd074f0c69f5",
          "f4887221-2a71-5304-badd-8fcd76a96851",
          "fe010d6c-f2be-59da-99fd-2ce20a78556c"
        ],
        "object_norad_id": 62158,
        "positions": [
          "287.297248 73.508820",
          "287.301652 72.921504",
          "287.303399 70.694097",
          "287.305075 72.650637",
          "287.307634 71.819687",
          "287.310367 72.114473"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4947,
          4948,
          4949,
          4950,
          4951,
          4953
        ],
        "station_id": 4,
        "track_id": 4947
      },
      {
        "epoch": "2026-08-26T02:13:14.241899",
        "excluded_measurements": 3,
        "kind": "contradictory",
        "measurements": [
          "05d9c537-920d-5235-b5ef-db5e015014f3",
          "93161886-c239-5afa-86a4-bf3539a33f5a",
          "b4d95860-3951-5e5e-bdf0-4f2abc8f077b"
        ],
        "object_norad_id": 63972,
        "positions": [
          "282.212723 69.767392",
          "283.522634 67.830254",
          "284.173766 66.713000"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4958,
          4960,
          4962
        ],
        "station_id": 4,
        "track_id": 4958
      },
      {
        "epoch": "2026-08-26T02:13:14.241899",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "303ec1fa-7f80-5de3-bab2-69bcd625de1b",
          "4d672781-8b38-5eed-a64c-8240d4b6c23f"
        ],
        "object_norad_id": 37347,
        "positions": [
          "294.798875 70.331677",
          "295.142638 71.072849"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4959,
          4961
        ],
        "station_id": 4,
        "track_id": 4959
      },
      {
        "epoch": "2026-08-26T02:16:27.998299",
        "excluded_measurements": 3,
        "kind": "contradictory",
        "measurements": [
          "346bab84-761f-539b-a613-ca50cffba8d8",
          "92096c2c-1d47-5dd5-89f7-c96489709502",
          "f012adcc-d4f6-5c2e-86f6-c29a8fbe6241"
        ],
        "object_norad_id": 58589,
        "positions": [
          "286.018229 66.435599",
          "286.291472 65.758879",
          "286.345089 65.619487"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4963,
          4964,
          4965
        ],
        "station_id": 4,
        "track_id": 4963
      },
      {
        "epoch": "2026-08-26T02:19:29.031279",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "9bc96500-66a8-5c34-92b2-6ca96af1bb8d",
          "c624c30a-20e9-58ab-aeec-29dfd0a95849"
        ],
        "object_norad_id": 63911,
        "positions": [
          "286.145606 66.437459",
          "287.236312 64.349040"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4967,
          4968
        ],
        "station_id": 4,
        "track_id": 4967
      },
      {
        "epoch": "2026-08-26T02:25:17.834173",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "4e79acb7-9133-541d-9159-f0c06d97ef81",
          "f73d81cb-097a-544c-b31c-5ae2c846e898"
        ],
        "object_norad_id": 61217,
        "positions": [
          "276.476936 69.843017",
          "276.540620 70.095648"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4969,
          4970
        ],
        "station_id": 4,
        "track_id": 4969
      },
      {
        "epoch": "2026-08-26T02:25:17.834173",
        "excluded_measurements": 2,
        "kind": "contradictory",
        "measurements": [
          "1d229e79-3578-59b6-80cd-e71aecbd70db",
          "d60198cd-41c8-5a72-866e-b62548014dd1"
        ],
        "object_norad_id": 8896,
        "positions": [
          "309.236181 71.409117",
          "309.918131 71.400874"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4971,
          4972
        ],
        "station_id": 4,
        "track_id": 4971
      },
      {
        "epoch": "2026-08-26T02:25:17.834173",
        "excluded_measurements": 4,
        "kind": "contradictory",
        "measurements": [
          "4917e751-35b4-517d-adfc-8b63420b1657",
          "557c0b3b-2a9c-5c35-aa88-77165db890bd",
          "a91bda6b-e679-5225-b04f-f0a72a8be1ca",
          "de1ba5ca-c3c4-5792-a2fd-b8b8a68e1a66"
        ],
        "object_norad_id": 63912,
        "positions": [
          "286.537547 67.822579",
          "287.387637 66.370767",
          "288.224837 64.740531",
          "288.377013 64.415448"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4973,
          4974,
          4975,
          4976
        ],
        "station_id": 4,
        "track_id": 4973
      },
      {
        "epoch": "2026-08-26T02:48:35.682746",
        "excluded_measurements": 12,
        "kind": "contradictory",
        "measurements": [
          "1aab34fa-d7b8-59ba-8e81-2286677403c8",
          "1f3103fa-b92a-5fe3-b8c0-59a549276177",
          "22d4b4ec-7b73-5399-a446-81204e2e8391",
          "4435d56f-5489-5177-ad83-b087738b6a45",
          "5780151a-ce7d-55c3-8da0-bb41e6c73669",
          "5e3338af-6b94-56de-b3c1-562527387fdf",
          "72f0d2bf-7863-5073-991e-de8f9c3ea2f1",
          "758e7a17-dec5-5f5b-b885-57b5fc430d84",
          "b21c77c1-b213-5ff5-96ca-8938b5455567",
          "bfcaf3a1-e2a0-5bb6-b3eb-ce4de87e552a",
          "cec6d094-22aa-50ab-b95b-de99935b84dd",
          "f9dcc52e-6afa-5645-bae5-1474d28a2e04"
        ],
        "object_norad_id": 63958,
        "positions": [
          "294.056921 67.484123",
          "294.185685 67.161649",
          "294.340094 66.756396",
          "294.436120 66.484733",
          "294.617351 65.972575",
          "294.826137 65.356781",
          "294.897046 65.115317",
          "294.952717 64.950511",
          "295.006090 64.755095",
          "295.079710 64.532096",
          "295.129267 64.369016",
          "295.199831 64.131997"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          4985,
          4986,
          4987,
          4988,
          4989,
          4990,
          4991,
          4992,
          4993,
          4994,
          4995,
          4996
        ],
        "station_id": 4,
        "track_id": 4985
      },
      {
        "epoch": "2026-08-26T03:05:26.234431",
        "excluded_measurements": 4,
        "kind": "contradictory",
        "measurements": [
          "5c083685-2f3e-50f4-a3d0-af987c87a084",
          "8d78b2f3-ed5f-5bb1-86de-a301ca1e7a07",
          "93a13fe2-70df-5365-be62-8dc3fc37ab75",
          "e2395fa6-0497-5ede-bec6-b17b15d242a6"
        ],
        "object_norad_id": 66001,
        "positions": [
          "303.476952 71.069762",
          "303.861077 71.636037",
          "304.036864 71.891412",
          "304.366917 72.345327"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          5002,
          5003,
          5004,
          5006
        ],
        "station_id": 4,
        "track_id": 5002
      },
      {
        "epoch": "2026-08-26T03:11:03.665539",
        "excluded_measurements": 7,
        "kind": "contradictory",
        "measurements": [
          "6f286d91-f635-5b81-97e6-043b6151918f",
          "727c8ad4-837e-508a-93e3-a4af00705e48",
          "73decbf6-057b-5e25-b8b7-1f6987ab9da5",
          "cf97bb90-f85c-5647-a24a-7621e067edd0",
          "d047c824-1abc-5e16-905a-625ed7c304e1",
          "e971a581-083f-5e46-8035-594d3269182c",
          "f49b2d4e-b26c-5795-9412-a4b22812be1e"
        ],
        "object_norad_id": 60331,
        "positions": [
          "294.384828 67.276165",
          "294.773896 67.082285",
          "295.288173 66.818607",
          "295.707162 66.594532",
          "296.507984 66.157329",
          "298.463375 64.997484",
          "299.950045 64.021765"
        ],
        "published_observations": 0,
        "scope": "sibling-tracks",
        "sibling_track_ids": [
          5009,
          5010,
          5011,
          5012,
          5013,
          5014,
          5015
        ],
        "station_id": 4,
        "track_id": 5009
      }
    ],
    "detail_omitted": 0,
    "epochs": 40,
    "measurements_excluded": 142,
    "note": "one epoch stated twice costs its own measurements, never the session: a repeated epoch is published once, a contradicted one is published not at all, and every excluded row is still in the parquet archive. Counted over tracks with a correlated object, which are the only tracks a TDM is written for. See docs/decisions/0004-duplicate-epochs.md",
    "tracks": 39,
    "tracks_left_without_observations": 128
  },
  "generated_at": "2026-09-22T23:54:57.630615Z",
  "generation_id": "49fd84f360bb6cffea6e42dee6ee91645333ee729cc01b3c1a41542fcc42b475",
  "generator": "satnogs_optical_network.products",
  "iod": {
    "4": {
      "identified_lines": 361,
      "identified_tracks": 242,
      "lines": 395,
      "skipped": 0,
      "skipped_reasons": [],
      "unk_lines": 34,
      "unk_tracks": 27,
      "wide_id_tracks": 0
    }
  },
  "layout": {
    "generation_dir": "session_date=2026-08-25/generations/49fd84f360bb6cffea6e42dee6ee91645333ee729cc01b3c1a41542fcc42b475",
    "measurements": "measurements.parquet",
    "note": "Resolve products through this manifest. Retained generations must not be combined with a recursive Parquet wildcard.",
    "session_dir": "session_date=2026-08-25",
    "stations": "stations",
    "tracks": "tracks.parquet"
  },
  "metrics": {
    "measurements": 395,
    "objects": 60,
    "stations": 1,
    "tracks": 269,
    "unk_tracks": 179
  },
  "metrics_basis": "as-ingested",
  "packaging": {
    "note": "TDM file count is a packaging artifact, not a headline metric: it both overstates the claim to experts and understates the data volume (ADR 0010). tdm_observations is the count actually read back out of the published station-night TDMs and checked against the measurement rows; it is the number to compare a published file against. tdm_tracks is the number of segments across them.",
    "tdm_files": 1,
    "tdm_observations": 219,
    "tdm_observations_expected": 219,
    "tdm_observations_verified": true,
    "tdm_tracks": 114
  },
  "per_station": [
    {
      "epoch_collisions": 40,
      "iod": {
        "identified_lines": 361,
        "identified_tracks": 242,
        "lines": 395,
        "skipped": 0,
        "skipped_reasons": [],
        "unk_lines": 34,
        "unk_tracks": 27,
        "wide_id_tracks": 0
      },
      "iod_station_code": "4",
      "measurements": 395,
      "name": "optical-bench1",
      "objects": 60,
      "station_id": 4,
      "tdm_tracks": 242,
      "tracks": 269,
      "unk_tracks": 179
    }
  ],
  "products": [
    {
      "bytes": 10943,
      "conformance": null,
      "kind": "characterisation-station",
      "path": "session_date=2026-08-25/generations/49fd84f360bb6cffea6e42dee6ee91645333ee729cc01b3c1a41542fcc42b475/stations/station-4.json",
      "scope": "station-night",
      "scope_key": "4-2026-08-25",
      "sha256": "ef026264d95085a9c0858f1d8902f012208c874c5411c502b9816caf06d886eb"
    },
    {
      "bytes": 26465,
      "conformance": null,
      "kind": "iod-station-night",
      "path": "session_date=2026-08-25/generations/49fd84f360bb6cffea6e42dee6ee91645333ee729cc01b3c1a41542fcc42b475/iod/station-4-2026-08-25.iod",
      "scope": "station-night",
      "scope_key": "4-2026-08-25",
      "sha256": "420da4c1ff6a8c687fc4dd2acb1db395590e3777490592cedc3d63148e986858"
    },
    {
      "bytes": 64709,
      "conformance": null,
      "kind": "parquet-session",
      "path": "session_date=2026-08-25/generations/49fd84f360bb6cffea6e42dee6ee91645333ee729cc01b3c1a41542fcc42b475/measurements.parquet",
      "scope": "session",
      "scope_key": "2026-08-25",
      "sha256": "fa46c2363603cc01309a2eecef732bf1a0037b0642d6a18b2dd3a4d034ad2328"
    },
    {
      "bytes": 23705,
      "conformance": null,
      "kind": "parquet-tracks",
      "path": "session_date=2026-08-25/generations/49fd84f360bb6cffea6e42dee6ee91645333ee729cc01b3c1a41542fcc42b475/tracks.parquet",
      "scope": "session",
      "scope_key": "2026-08-25",
      "sha256": "24f983d2441a4b8ba4a8243bbd23bac82a88a39b9b6e041a3d77acf780252fe5"
    },
    {
      "bytes": 90172,
      "conformance": "SKIPPED: Orekit conformance NOT VERIFIED for station-4-2026-08-25.tdm: orekit_jpype not importable (ModuleNotFoundError: No module named 'orekit_jpype'); pip install 'satnogs-optical-network[od]'; no JVM (JAVA_HOME unset and no 'java' on PATH); orekit-data not found (set OREKIT_DATA_PATH to the orekit-data zip or directory, or put orekit-data.zip in the working directory). Offline structural check: clean.",
      "kind": "tdm-station-night",
      "observations": 219,
      "path": "session_date=2026-08-25/generations/49fd84f360bb6cffea6e42dee6ee91645333ee729cc01b3c1a41542fcc42b475/tdm/station-4-2026-08-25.tdm",
      "scope": "station-night",
      "scope_key": "4-2026-08-25",
      "sha256": "dbde8a464c54640d371e59108b9dcb389582d84b514df8529934c457c27dcf1e"
    }
  ],
  "quarantined_excluded": 0,
  "station": 4,
  "stations": [
    4
  ],
  "tdm_excluded_epoch_collisions": 142,
  "tdm_skipped_no_observations": 128,
  "tdm_skipped_unk": 27
}