Solar Explorer B
Re-entered 16 Nov 1990Solar Explorer B (NORAD 3141, COSPAR 1968-017A) was a US satellite that re-entered Earth's atmosphere on 16 Nov 1990, launched on 5 Mar 1968 on the Solar Explorer B mission. It was operated by NRL as part of the Solrad programme. The spacecraft was built by NRL on the SR 9 bus, with a mass of 119 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 Solar Explorer B?
Solar Explorer B re-entered Earth's atmosphere on 16 Nov 1990, ending a mission that began with its launch in 1968. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did Solar Explorer B re-enter the atmosphere?
Solar Explorer B re-entered on 16 Nov 1990, according to Orbital Radar's historical catalogue records.
Who operated and built Solar Explorer B?
Solar Explorer B was operated by NRL and built by NRL (US).