OSCAR 4
Re-entered 12 Apr 1976OSCAR 4 (NORAD 1902, COSPAR 1965-108C) was a US satellite that re-entered Earth's atmosphere on 12 Apr 1976, launched on 21 Dec 1965 on the LES 4 mission. It was operated by OSCAR as part of the OSCAR programme. The spacecraft was built by TRWRC on the OSCAR bus, with a mass of 18 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 OSCAR 4?
OSCAR 4 re-entered Earth's atmosphere on 12 Apr 1976, 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 OSCAR 4 re-enter the atmosphere?
OSCAR 4 re-entered on 12 Apr 1976, according to Orbital Radar's historical catalogue records.
Who operated and built OSCAR 4?
OSCAR 4 was operated by OSCAR and built by TRWRC (US).