STP P78-1
Re-entered 13 Sep 1985STP P78-1 (NORAD 11278, COSPAR 1979-017A) was a US satellite that re-entered Earth's atmosphere on 13 Sep 1985, launched on 24 Feb 1979 on the P78-1 mission. It was operated by STP / NRL as part of the STP1 programme. The spacecraft was built by BALL on the OSO bus, with a mass of 875 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 STP P78-1?
STP P78-1 re-entered Earth's atmosphere on 13 Sep 1985, ending a mission that began with its launch in 1979. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did STP P78-1 re-enter the atmosphere?
STP P78-1 re-entered on 13 Sep 1985, according to Orbital Radar's historical catalogue records.
Who operated and built STP P78-1?
STP P78-1 was operated by STP / NRL and built by BALL (US).