P-11 No. 4423
Re-entered 14 Sep 1977P-11 No. 4423 (NORAD 4722, COSPAR 1970-098B) was a US satellite that re-entered Earth's atmosphere on 14 Sep 1977, launched on 18 Nov 1970 on the CORONA QR-2R mission. It was operated by NRO / SAFSP as part of the EHH B programme. The spacecraft was built by LMSC/LTVE on the P-11 H bus, with a mass of 141 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. 4423?
P-11 No. 4423 re-entered Earth's atmosphere on 14 Sep 1977, ending a mission that began with its launch in 1970. 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. 4423 re-enter the atmosphere?
P-11 No. 4423 re-entered on 14 Sep 1977, according to Orbital Radar's historical catalogue records.
How long was P-11 No. 4423 operational?
P-11 No. 4423 was operational for roughly 2 months, from 21 Jun 1974 to 13 Aug 1974.
Who operated and built P-11 No. 4423?
P-11 No. 4423 was operated by NRO / SAFSP and built by LMSC/LTVE (US).