Microsat 4
Re-entered 23 Jan 1992Microsat 4 (NORAD 21583, COSPAR 1991-051D) was a US satellite that re-entered Earth's atmosphere on 23 Jan 1992, launched on 17 Jul 1991 on the Microsat 1 mission. It was operated by DARPA as part of the DARPA Light programme. The spacecraft was built by DSI on the Picostar bus, with a mass of 21 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 Microsat 4?
Microsat 4 re-entered Earth's atmosphere on 23 Jan 1992, 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 Microsat 4 re-enter the atmosphere?
Microsat 4 re-entered on 23 Jan 1992, according to Orbital Radar's historical catalogue records.
Who operated and built Microsat 4?
Microsat 4 was operated by DARPA and built by DSI (US).