Gamma Ray Observatory
Re-entered 7 Apr 1991Gamma Ray Observatory (NORAD 21225, COSPAR 1991-027B) was a US satellite that re-entered Earth's atmosphere on 7 Apr 1991, launched on 5 Apr 1991 on the OV-104 LEO deploy mission. It was operated by GSFC as part of the Great Obs programme. The spacecraft was built by TRW on the GRO bus, with a mass of 15,622 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 Gamma Ray Observatory?
Gamma Ray Observatory re-entered Earth's atmosphere on 7 Apr 1991, ending a mission that began with its launch in 1991. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did Gamma Ray Observatory re-enter the atmosphere?
Gamma Ray Observatory re-entered on 7 Apr 1991, according to Orbital Radar's historical catalogue records.
Who operated and built Gamma Ray Observatory?
Gamma Ray Observatory was operated by GSFC and built by TRW (US).