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Nauka 22KS No. 1L

Re-entered 21 Dec 1975

Nauka 22KS No. 1L (NORAD 8485, COSPAR 1975-113G) was a SU satellite that re-entered Earth's atmosphere on 21 Dec 1975, launched on 3 Dec 1975 on the Zenit-2M mission. It was operated by TSSKB as part of the Nauka 22KS programme. The spacecraft was built by TSSKB on the Nauka bus, with a mass of 630 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.

1975
launched
1975
re-entered
0
years on orbit
630
kg mass

Lifecycle

Launched3 Dec 1975 · on the Zenit-2M mission
Operational14 Dec 1975 · entered service
Retired14 Dec 1975 · end of operational service
Re-entered21 Dec 1975 · atmospheric re-entry — object destroyed

Specifications

NORAD ID8485
COSPAR1975-113G
TypeSatellite
OperatorTSSKB
Country / StateSU
ManufacturerTSSKB
BusNauka
Mass630 kg
ProgrammeNauka 22KS
CategoryTECH?
OrbitLEO (LLEO/I)
Altitude204 × 217 km
Inclination81.3°

Frequently asked questions

What happened to Nauka 22KS No. 1L?

Nauka 22KS No. 1L re-entered Earth's atmosphere on 21 Dec 1975, ending a mission that began with its launch in 1975. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Nauka 22KS No. 1L re-enter the atmosphere?

Nauka 22KS No. 1L re-entered on 21 Dec 1975, according to Orbital Radar's historical catalogue records.

Who operated and built Nauka 22KS No. 1L?

Nauka 22KS No. 1L was operated by TSSKB and built by TSSKB (SU).

Launched together

Gektor No. 61LRe-entered 1975
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.