P-11 No. 4427
Re-entered 3 Feb 1976P-11 No. 4427 (NORAD 5469, COSPAR 1971-076B) was a US satellite that re-entered Earth's atmosphere on 3 Feb 1976, launched on 10 Sep 1971 on the CORONA CR-15 mission. It was operated by NRO / SAFSP as part of the EHH B programme. The spacecraft was built by LMSC/CHAIL on the P-11 H bus, with a mass of 160 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 P-11 No. 4427?
P-11 No. 4427 re-entered Earth's atmosphere on 3 Feb 1976, 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 P-11 No. 4427 re-enter the atmosphere?
P-11 No. 4427 re-entered on 3 Feb 1976, according to Orbital Radar's historical catalogue records.
How long was P-11 No. 4427 operational?
P-11 No. 4427 was operational for roughly 3 years, from 10 Oct 1971 to 7 Aug 1974.
Who operated and built P-11 No. 4427?
P-11 No. 4427 was operated by NRO / SAFSP and built by LMSC/CHAIL (US).