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Events

Orbital events timeline

Every change detected by SatelliteIndex connectors, newest first: payloads catalogued from a launch, decays, orbit changes, decommissions. Each event carries its source and a derived confidence.

Latest event 6 h ago · 23 events in view

Today · 18 Sept 2026

5 events
  1. Orbit change
    STARLINK-2681 lowered its orbit

    Perigee 178 → 155 km, apogee 186 → 160 km between element sets (epoch 2026-09-18 01:29 UTC).

    CelesTrak70%
  2. Orbit change
    MMS 4 lowered its orbit

    Perigee 10683 → 10685 km, apogee 172407 → 172301 km between element sets (epoch 2026-09-18 00:00 UTC).

    CelesTrak70%
  3. Orbit change
    MMS 3 lowered its orbit

    Perigee 10684 → 10686 km, apogee 172403 → 172304 km between element sets (epoch 2026-09-18 00:00 UTC).

    CelesTrak70%
  4. Orbit change
    MMS 2 lowered its orbit

    Perigee 10668 → 10670 km, apogee 172421 → 172320 km between element sets (epoch 2026-09-18 00:00 UTC).

    CelesTrak70%
  5. Orbit change
    MMS 1 lowered its orbit

    Perigee 10696 → 10698 km, apogee 172392 → 172288 km between element sets (epoch 2026-09-18 00:00 UTC).

    CelesTrak70%

Yesterday · 17 Sept 2026

18 events
  1. Orbit change
    STARLINK-38189 raised its orbit

    Perigee 390 → 418 km, apogee 418 → 420 km between element sets (epoch 2026-09-17 23:37 UTC).

    CelesTrak70%
  2. Orbit change
    GLOBALSTAR M104 raised its orbit

    Perigee 724 → 763 km, apogee 737 → 775 km between element sets (epoch 2026-09-17 16:16 UTC).

    CelesTrak70%
  3. Orbit change
    STARLINK-38034 raised its orbit

    Perigee 360 → 391 km, apogee 363 → 394 km between element sets (epoch 2026-09-17 14:52 UTC).

    CelesTrak70%
  4. Orbit change
    MMS 4 lowered its orbit

    Perigee 10680 → 10683 km, apogee 172454 → 172407 km between element sets (epoch 2026-09-17 14:00 UTC).

    CelesTrak70%
  5. Orbit change
    MMS 3 lowered its orbit

    Perigee 10681 → 10684 km, apogee 172448 → 172403 km between element sets (epoch 2026-09-17 14:00 UTC).

    CelesTrak70%
  6. Orbit change
    MMS 2 lowered its orbit

    Perigee 10665 → 10668 km, apogee 172469 → 172421 km between element sets (epoch 2026-09-17 14:00 UTC).

    CelesTrak70%
  7. Orbit change
    MMS 1 lowered its orbit

    Perigee 10693 → 10696 km, apogee 172437 → 172392 km between element sets (epoch 2026-09-17 14:00 UTC).

    CelesTrak70%
  8. Orbit change
    EOS-05 (GISAT-1A) moved from OTHER to GEO

    Orbit class changed between consecutive element sets.

    CelesTrak80%
  9. Orbit change
    EOS-05 (GISAT-1A) raised its orbit

    Perigee 151 → 35121 km, apogee 30913 → 35873 km between element sets (epoch 2026-09-17 13:57 UTC).

    CelesTrak70%
  10. Orbit change
    DEAR-5 lowered its orbit

    Perigee 459 → 459 km, apogee 511 → 474 km between element sets (epoch 2026-09-17 13:48 UTC).

    CelesTrak70%
  11. Orbit change
    QIANFAN-93 raised its orbit

    Perigee 1067 → 1086 km, apogee 1070 → 1095 km between element sets (epoch 2026-09-17 08:34 UTC).

    CelesTrak70%
  12. Orbit change
    DUCHIFAT-1 lowered its orbit

    Perigee 185 → 156 km, apogee 201 → 173 km between element sets (epoch 2026-09-17 08:29 UTC).

    CelesTrak70%
  13. Orbit change
    QIANFAN-95 raised its orbit

    Perigee 1067 → 1084 km, apogee 1070 → 1098 km between element sets (epoch 2026-09-17 08:28 UTC).

    CelesTrak70%
  14. Orbit change
    MMS 4 raised its orbit

    Perigee 10677 → 10680 km, apogee 172327 → 172454 km between element sets (epoch 2026-09-17 08:00 UTC).

    CelesTrak70%
  15. Orbit change
    MMS 3 raised its orbit

    Perigee 10678 → 10681 km, apogee 172326 → 172448 km between element sets (epoch 2026-09-17 08:00 UTC).

    CelesTrak70%
  16. Orbit change
    MMS 2 raised its orbit

    Perigee 10662 → 10665 km, apogee 172346 → 172469 km between element sets (epoch 2026-09-17 08:00 UTC).

    CelesTrak70%
  17. Orbit change
    MMS 1 raised its orbit

    Perigee 10690 → 10693 km, apogee 172318 → 172437 km between element sets (epoch 2026-09-17 08:00 UTC).

    CelesTrak70%
  18. Orbit change
    STARLINK-37982 raised its orbit

    Perigee 354 → 418 km, apogee 357 → 420 km between element sets (epoch 2026-09-17 07:04 UTC).

    CelesTrak70%

23 results

Times are UTC. Confidence is a derived score, not a measurement. Event types that no connected source produces (e.g. regulatory approvals) are simply absent — nothing is simulated.