OSO H
Re-entered 9 Jul 1974OSO H (NORAD 5491, COSPAR 1971-083A) was a US satellite that re-entered Earth's atmosphere on 9 Jul 1974, launched on 29 Sep 1971 on the OSO H mission. It was operated by GSFC as part of the OSO programme. The spacecraft was built by BALL on the OSO bus, with a mass of 642 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 OSO H?
OSO H re-entered Earth's atmosphere on 9 Jul 1974, 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 OSO H re-enter the atmosphere?
OSO H re-entered on 9 Jul 1974, according to Orbital Radar's historical catalogue records.
Who operated and built OSO H?
OSO H was operated by GSFC and built by BALL (US).