USA 45
Re-entered 13 Sep 1989USA 45 (NORAD 20220, COSPAR 1989-072A) was a US satellite that re-entered Earth's atmosphere on 13 Sep 1989, launched on 6 Sep 1989 on the P-11 No. 5104 mission. It is catalogued as P-11 No. 5104. It was operated by NRO as part of the T2-SIG programme. The spacecraft was built by LMSC/MOTO on the NRO-T2 bus, with a mass of 1,450 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 USA 45?
USA 45 re-entered Earth's atmosphere on 13 Sep 1989, ending a mission that began with its launch in 1989. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did USA 45 re-enter the atmosphere?
USA 45 re-entered on 13 Sep 1989, according to Orbital Radar's historical catalogue records.
Who operated and built USA 45?
USA 45 was operated by NRO and built by LMSC/MOTO (US).