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🛰️ SATELLITE · HISTORICAL RECORD

Starlink 35644

Re-entered 10 Apr 2026

Starlink 35644 (NORAD 66402, COSPAR 2025-257Y) was a US satellite that re-entered Earth's atmosphere on 10 Apr 2026, launched on 9 Nov 2025 on the Starlink Group 10-51 mission. It is catalogued as Starlink Group 10-51-23. It was operated by SpaceX as part of the Starlink 2MO S1 programme. The spacecraft was built by SPXS on the Starlink V2MO bus, with a mass of 575 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

2025
launched
2026
re-entered
1
year on orbit
575
kg mass

Lifecycle

Launched9 Nov 2025 · on the Starlink Group 10-51 mission
Operational25 Mar 2026 · entered service
Retired8 Apr 2026 · end of operational service
Re-entered10 Apr 2026 · atmospheric re-entry — object destroyed

Specifications

NORAD ID66402
COSPAR2025-257Y
TypeSatellite
OperatorSpaceX
Country / StateUS
ManufacturerSPXS
BusStarlink V2MO
Mass575 kg (530 kg dry)
ProgrammeStarlink 2MO S1
CategoryCOM
OrbitLEO (LLEO/I)
Altitude259 × 268 km
Inclination53.2°

Frequently asked questions

What happened to Starlink 35644?

Starlink 35644 re-entered Earth's atmosphere on 10 Apr 2026, ending a mission that began with its launch in 2025. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Starlink 35644 re-enter the atmosphere?

Starlink 35644 re-entered on 10 Apr 2026, according to Orbital Radar's historical catalogue records.

Who operated and built Starlink 35644?

Starlink 35644 was operated by SpaceX and built by SPXS (US).

Launched together

Starlink Group 10-51-01NORAD 66380Starlink Group 10-51-25NORAD 66404Starlink Group 10-51-26NORAD 66405Starlink Group 10-51-27NORAD 66406Starlink Group 10-51-28NORAD 66407Starlink Group 10-51-29NORAD 66408Starlink Group 10-51-02NORAD 66381Starlink Group 10-51-03NORAD 66382
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-16.