LES 4
Re-entered 1 Aug 1977LES 4 (NORAD 1870, COSPAR 1965-108B) was a US satellite that re-entered Earth's atmosphere on 1 Aug 1977, launched on 21 Dec 1965 on the LES 4 mission. It was operated by AFSSD as part of the LES programme. The spacecraft was built by MITLL on the LES bus, with a mass of 52 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 LES 4?
LES 4 re-entered Earth's atmosphere on 1 Aug 1977, ending a mission that began with its launch in 1965. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did LES 4 re-enter the atmosphere?
LES 4 re-entered on 1 Aug 1977, according to Orbital Radar's historical catalogue records.
Who operated and built LES 4?
LES 4 was operated by AFSSD and built by MITLL (US).