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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 just now · 35 events in view

16 Sept 2026

1 event
  1. Orbit change
    CXO raised its orbit

    Perigee 12232 → 12261 km, apogee 136587 → 136573 km between element sets (epoch 2026-09-16 06:57 UTC).

    • satelliteCXO#25867
    CelesTrak70%

Today · 14 Sept 2026

9 events
  1. Orbit change
    MMS 4 lowered its orbit

    Perigee 10652 → 10683 km, apogee 173137 → 172667 km between element sets (epoch 2026-09-14 06:00 UTC).

    CelesTrak70%
  2. Orbit change
    MMS 3 lowered its orbit

    Perigee 10652 → 10684 km, apogee 173135 → 172666 km between element sets (epoch 2026-09-14 06:00 UTC).

    CelesTrak70%
  3. Orbit change
    MMS 2 lowered its orbit

    Perigee 10636 → 10668 km, apogee 173147 → 172681 km between element sets (epoch 2026-09-14 06:00 UTC).

    CelesTrak70%
  4. Orbit change
    MMS 1 lowered its orbit

    Perigee 10664 → 10696 km, apogee 173110 → 172653 km between element sets (epoch 2026-09-14 06:00 UTC).

    CelesTrak70%
  5. Orbit change
    SBIRS GEO-2 (USA 241) lowered its orbit

    Perigee 35798 → 35777 km, apogee 35943 → 35797 km between element sets (epoch 2026-09-14 05:00 UTC).

    CelesTrak70%
  6. Orbit change
    MMS 4 lowered its orbit

    Perigee 10643 → 10652 km, apogee 173212 → 173137 km between element sets (epoch 2026-09-14 00:00 UTC).

    CelesTrak70%
  7. Orbit change
    MMS 3 lowered its orbit

    Perigee 10644 → 10652 km, apogee 173211 → 173135 km between element sets (epoch 2026-09-14 00:00 UTC).

    CelesTrak70%
  8. Orbit change
    MMS 2 lowered its orbit

    Perigee 10629 → 10636 km, apogee 173264 → 173147 km between element sets (epoch 2026-09-14 00:00 UTC).

    CelesTrak70%
  9. Orbit change
    MMS 1 lowered its orbit

    Perigee 10657 → 10664 km, apogee 173231 → 173110 km between element sets (epoch 2026-09-14 00:00 UTC).

    CelesTrak70%

Yesterday · 13 Sept 2026

24 events
  1. Orbit change
    STARLINK-1770 lowered its orbit

    Perigee 182 → 153 km, apogee 226 → 166 km between element sets (epoch 2026-09-13 23:10 UTC).

    CelesTrak70%
  2. Orbit change
    STARLINK-38011 raised its orbit

    Perigee 342 → 370 km, apogee 344 → 374 km between element sets (epoch 2026-09-13 22:50 UTC).

    CelesTrak70%
  3. Orbit change
    STARLINK-38222 raised its orbit

    Perigee 421 → 454 km, apogee 423 → 456 km between element sets (epoch 2026-09-13 22:39 UTC).

    CelesTrak70%
  4. Orbit change
    MMS 4 raised its orbit

    Perigee 10642 → 10643 km, apogee 173119 → 173212 km between element sets (epoch 2026-09-13 22:00 UTC).

    CelesTrak70%
  5. Orbit change
    MMS 3 raised its orbit

    Perigee 10642 → 10644 km, apogee 173118 → 173211 km between element sets (epoch 2026-09-13 22:00 UTC).

    CelesTrak70%
  6. Orbit change
    MMS 2 raised its orbit

    Perigee 10627 → 10629 km, apogee 173200 → 173264 km between element sets (epoch 2026-09-13 22:00 UTC).

    CelesTrak70%
  7. Orbit change
    MMS 1 raised its orbit

    Perigee 10654 → 10657 km, apogee 173106 → 173231 km between element sets (epoch 2026-09-13 22:00 UTC).

    CelesTrak70%
  8. Orbit change
    STARLINK-37694 raised its orbit

    Perigee 337 → 379 km, apogee 345 → 381 km between element sets (epoch 2026-09-13 20:20 UTC).

    CelesTrak70%
  9. Orbit change
    STARLINK-1770 raised its orbit

    Perigee 167 → 182 km, apogee 181 → 226 km between element sets (epoch 2026-09-13 18:47 UTC).

    CelesTrak70%
  10. Orbit change
    MMS 4 raised its orbit

    Perigee 10645 → 10642 km, apogee 172527 → 173119 km between element sets (epoch 2026-09-13 16:00 UTC).

    CelesTrak70%
  11. Orbit change
    MMS 3 raised its orbit

    Perigee 10647 → 10642 km, apogee 172549 → 173118 km between element sets (epoch 2026-09-13 16:00 UTC).

    CelesTrak70%
  12. Orbit change
    MMS 2 raised its orbit

    Perigee 10630 → 10627 km, apogee 172542 → 173200 km between element sets (epoch 2026-09-13 16:00 UTC).

    CelesTrak70%
  13. Orbit change
    MMS 1 raised its orbit

    Perigee 10658 → 10654 km, apogee 172514 → 173106 km between element sets (epoch 2026-09-13 16:00 UTC).

    CelesTrak70%
  14. Orbit change
    QIANFAN-158 raised its orbit

    Perigee 1052 → 1082 km, apogee 1107 → 1087 km between element sets (epoch 2026-09-13 14:50 UTC).

    CelesTrak70%
  15. Orbit change
    STARLINK-38071 raised its orbit

    Perigee 345 → 371 km, apogee 352 → 374 km between element sets (epoch 2026-09-13 14:00 UTC).

    CelesTrak70%
  16. Orbit change
    STARLINK-38403 raised its orbit

    Perigee 278 → 311 km, apogee 309 → 316 km between element sets (epoch 2026-09-13 13:58 UTC).

    CelesTrak70%
  17. Orbit change
    MMS 4 raised its orbit

    Perigee 10641 → 10645 km, apogee 172446 → 172527 km between element sets (epoch 2026-09-13 08:00 UTC).

    CelesTrak70%
  18. Orbit change
    MMS 3 raised its orbit

    Perigee 10641 → 10647 km, apogee 172446 → 172549 km between element sets (epoch 2026-09-13 08:00 UTC).

    CelesTrak70%
  19. Orbit change
    MMS 2 raised its orbit

    Perigee 10626 → 10630 km, apogee 172473 → 172542 km between element sets (epoch 2026-09-13 08:00 UTC).

    CelesTrak70%
  20. Orbit change
    MMS 1 raised its orbit

    Perigee 10654 → 10658 km, apogee 172445 → 172514 km between element sets (epoch 2026-09-13 08:00 UTC).

    CelesTrak70%
  21. Orbit change
    MMS 4 raised its orbit

    Perigee 10638 → 10641 km, apogee 172414 → 172446 km between element sets (epoch 2026-09-13 04:00 UTC).

    CelesTrak70%
  22. Orbit change
    MMS 3 raised its orbit

    Perigee 10639 → 10641 km, apogee 172419 → 172446 km between element sets (epoch 2026-09-13 04:00 UTC).

    CelesTrak70%
  23. Orbit change
    MMS 2 raised its orbit

    Perigee 10623 → 10626 km, apogee 172430 → 172473 km between element sets (epoch 2026-09-13 04:00 UTC).

    CelesTrak70%
  24. Orbit change
    MMS 1 raised its orbit

    Perigee 10651 → 10654 km, apogee 172407 → 172445 km between element sets (epoch 2026-09-13 04:00 UTC).

    CelesTrak70%

12 Sept 2026

1 event
  1. Orbit change
    STARLINK-38084 raised its orbit

    Perigee 343 → 378 km, apogee 345 → 381 km between element sets (epoch 2026-09-12 22:42 UTC).

    CelesTrak70%

35 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.