Starlink Group 4-4-01
Re-entered 31 Dec 2025Starlink Group 4-4-01 (NORAD 50156, COSPAR 2021-125A) was a US satellite that re-entered Earth's atmosphere on 31 Dec 2025, launched on 18 Dec 2021 on the Starlink Group 4-4 mission. It was operated by SpaceX as part of the Starlink 1.5 G4 programme. The spacecraft was built by SPXS on the Starlink bus, with a mass of 290 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.
Lifecycle
Specifications
Frequently asked questions
What happened to Starlink Group 4-4-01?
Starlink Group 4-4-01 re-entered Earth's atmosphere on 31 Dec 2025, ending a mission that began with its launch in 2021. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did Starlink Group 4-4-01 re-enter the atmosphere?
Starlink Group 4-4-01 re-entered on 31 Dec 2025, according to Orbital Radar's historical catalogue records.
How long was Starlink Group 4-4-01 operational?
Starlink Group 4-4-01 was operational for roughly 3 months, from 4 Oct 2025 to 20 Dec 2025.
Who operated and built Starlink Group 4-4-01?
Starlink Group 4-4-01 was operated by SpaceX and built by SPXS (US).