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Nauka 5KSA No. 1

Re-entered 27 Sep 1972

Nauka 5KSA No. 1 (NORAD 6198, COSPAR 1972-070C) was a SU satellite that re-entered Earth's atmosphere on 27 Sep 1972, launched on 15 Sep 1972 on the Zenit-2M mission. It was operated by TSKBE3 as part of the Nauka 5KS programme. The spacecraft was built by TSKBE3 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.

1972
launched
1972
re-entered
0
years on orbit
630
kg mass

Lifecycle

Launched15 Sep 1972 · on the Zenit-2M mission
Operational23 Sep 1972 · entered service
Retired23 Sep 1972 · end of operational service
Re-entered27 Sep 1972 · atmospheric re-entry — object destroyed

Specifications

NORAD ID6198
COSPAR1972-070C
TypeSatellite
OperatorTSKBE3
Country / StateSU
ManufacturerTSKBE3
BusNauka
Mass630 kg
ProgrammeNauka 5KS
CategorySCI?
OrbitLEO (LLEO/I)
Altitude196 × 271 km
Inclination72.8°

Frequently asked questions

What happened to Nauka 5KSA No. 1?

Nauka 5KSA No. 1 re-entered Earth's atmosphere on 27 Sep 1972, ending a mission that began with its launch in 1972. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Nauka 5KSA No. 1 re-enter the atmosphere?

Nauka 5KSA No. 1 re-entered on 27 Sep 1972, according to Orbital Radar's historical catalogue records.

Who operated and built Nauka 5KSA No. 1?

Nauka 5KSA No. 1 was operated by TSKBE3 and built by TSKBE3 (SU).

Launched together

Gektor No. 36LRe-entered 1972
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.