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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 11 h ago · 10 events in view

Today · 17 Sept 2026

9 events
  1. 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%
  2. 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%
  3. 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%
  4. 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%
  5. 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%
  6. Orbit change
    STARLINK-37741 raised its orbit

    Perigee 331 → 418 km, apogee 337 → 420 km between element sets (epoch 2026-09-17 06:51 UTC).

    CelesTrak70%
  7. Orbit change
    STARLINK-37813 raised its orbit

    Perigee 343 → 418 km, apogee 344 → 420 km between element sets (epoch 2026-09-17 05:42 UTC).

    CelesTrak70%
  8. Orbit change
    STARLINK-36776 raised its orbit

    Perigee 343 → 372 km, apogee 345 → 375 km between element sets (epoch 2026-09-17 05:16 UTC).

    CelesTrak70%
  9. Decay / reentry
    COSMOS 1707 decayed

    NORAD 16326 re-entered / decayed on 2026-09-17.

    CelesTrak SATCAT95%

Yesterday · 16 Sept 2026

1 event
  1. Orbit change
    DUCHIFAT-1 lowered its orbit

    Perigee 211 → 185 km, apogee 224 → 201 km between element sets (epoch 2026-09-16 20:44 UTC).

    CelesTrak70%

10 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.