DOS-1
Re-entered 11 Oct 1971DOS-1 (NORAD 5160, COSPAR 1971-032A) was a SU satellite that re-entered Earth's atmosphere on 11 Oct 1971, launched on 19 Apr 1971 on the DOS-1 17K No. 121 mission. It was operated by TSKBEM as part of the DOS programme. The spacecraft was built by ZIKH on the Almaz bus, with a mass of 18,210 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 DOS-1?
DOS-1 re-entered Earth's atmosphere on 11 Oct 1971, ending a mission that began with its launch in 1971. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did DOS-1 re-enter the atmosphere?
DOS-1 re-entered on 11 Oct 1971, according to Orbital Radar's historical catalogue records.
Who operated and built DOS-1?
DOS-1 was operated by TSKBEM and built by ZIKH (SU).