P-11 No. 4001
Re-entered 23 May 1965P-11 No. 4001 (NORAD 682, COSPAR 1963-042B) was a US satellite that re-entered Earth's atmosphere on 23 May 1965, launched on 29 Oct 1963 on the ARGON 6 mission. It was operated by NRO / SAFSP as part of the EHH A programme. The spacecraft was built by LMSC/EDLS on the P-11 bus, with a mass of 72 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. 4001?
P-11 No. 4001 re-entered Earth's atmosphere on 23 May 1965, ending a mission that began with its launch in 1963. 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. 4001 re-enter the atmosphere?
P-11 No. 4001 re-entered on 23 May 1965, according to Orbital Radar's historical catalogue records.
Who operated and built P-11 No. 4001?
P-11 No. 4001 was operated by NRO / SAFSP and built by LMSC/EDLS (US).