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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 · 21 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

11 events
  1. Orbit change
    MMS 4 lowered its orbit

    Perigee 10683 → 10684 km, apogee 172667 → 172575 km between element sets (epoch 2026-09-14 08:00 UTC).

    CelesTrak70%
  2. Orbit change
    MMS 2 lowered its orbit

    Perigee 10668 → 10669 km, apogee 172681 → 172570 km between element sets (epoch 2026-09-14 08:00 UTC).

    CelesTrak70%
  3. 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%
  4. 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%
  5. 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%
  6. 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%
  7. 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%
  8. 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%
  9. 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%
  10. 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%
  11. 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

9 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%

21 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.