P-11 No. 4426
Re-entered 26 Dec 1978P-11 No. 4426 (NORAD 6931, COSPAR 1973-088C) was a US satellite that re-entered Earth's atmosphere on 26 Dec 1978, launched on 10 Nov 1973 on the HEXAGON SV-7 mission. It was operated by NRO / SAFSP as part of the EHH B programme. The spacecraft was built by LMSC/MOTO on the P-11 H bus, with a mass of 168 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. 4426?
P-11 No. 4426 re-entered Earth's atmosphere on 26 Dec 1978, ending a mission that began with its launch in 1973. 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. 4426 re-enter the atmosphere?
P-11 No. 4426 re-entered on 26 Dec 1978, according to Orbital Radar's historical catalogue records.
Who operated and built P-11 No. 4426?
P-11 No. 4426 was operated by NRO / SAFSP and built by LMSC/MOTO (US).