Zenit-4 No. 57L
Re-entered 28 May 1969Zenit-4 No. 57L (NORAD 3944, COSPAR 1969-044A) was a SU satellite that re-entered Earth's atmosphere on 28 May 1969, launched on 20 May 1969 on the Zenit-4 No. 57 mission. It was operated by TSUKOS as part of the Zenit-4 programme. The spacecraft was built by TSKBE3 on the Zenit-4 bus, with a mass of 2,200 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 Zenit-4 No. 57L?
Zenit-4 No. 57L re-entered Earth's atmosphere on 28 May 1969, ending a mission that began with its launch in 1969. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did Zenit-4 No. 57L re-enter the atmosphere?
Zenit-4 No. 57L re-entered on 28 May 1969, according to Orbital Radar's historical catalogue records.
Who operated and built Zenit-4 No. 57L?
Zenit-4 No. 57L was operated by TSUKOS and built by TSKBE3 (SU).