IMP I
Re-entered 14 Mar 1971IMP I (NORAD 5043, COSPAR 1971-019A) was a US satellite that re-entered Earth's atmosphere on 14 Mar 1971, launched on 13 Mar 1971 on the IMP I mission. It was operated by GSFC as part of the IMP programme. The spacecraft was built by GSFC on the IMP bus, with a mass of 288 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 IMP I?
IMP I re-entered Earth's atmosphere on 14 Mar 1971, ending a mission that began with its launch in 1971. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did IMP I re-enter the atmosphere?
IMP I re-entered on 14 Mar 1971, according to Orbital Radar's historical catalogue records.
Who operated and built IMP I?
IMP I was operated by GSFC and built by GSFC (US).