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Nauka 2KS No. 2L

Re-entered 27 Dec 1970

Nauka 2KS No. 2L (NORAD 4810, COSPAR 1970-105E) was a SU satellite that re-entered Earth's atmosphere on 27 Dec 1970, launched on 10 Dec 1970 on the Zenit-2M mission. It was operated by TSKBE3 as part of the Nauka 2KS programme. The spacecraft was built by TSKBE3 on the Nauka bus, with a mass of 810 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.

1970
launched
1970
re-entered
0
years on orbit
810
kg mass

Lifecycle

Launched10 Dec 1970 · on the Zenit-2M mission
Operational22 Dec 1970 · entered service
Retired22 Dec 1970 · end of operational service
Re-entered27 Dec 1970 · atmospheric re-entry — object destroyed

Specifications

NORAD ID4810
COSPAR1970-105E
TypeSatellite
OperatorTSKBE3
Country / StateSU
ManufacturerTSKBE3
BusNauka
Mass810 kg
ProgrammeNauka 2KS
CategoryEOSCI
OrbitLEO (LLEO/I)
Altitude201 × 275 km
Inclination72.9°

Frequently asked questions

What happened to Nauka 2KS No. 2L?

Nauka 2KS No. 2L re-entered Earth's atmosphere on 27 Dec 1970, ending a mission that began with its launch in 1970. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Nauka 2KS No. 2L re-enter the atmosphere?

Nauka 2KS No. 2L re-entered on 27 Dec 1970, according to Orbital Radar's historical catalogue records.

Who operated and built Nauka 2KS No. 2L?

Nauka 2KS No. 2L was operated by TSKBE3 and built by TSKBE3 (SU).

Launched together

Gektor No. 24LRe-entered 1970
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.