HomeLibraryRe-entered SatellitesNauka 33KS No. 1L
🛰️ SATELLITE · HISTORICAL RECORD

Nauka 33KS No. 1L

Re-entered 30 Jun 1979

Nauka 33KS No. 1L (NORAD 11415, COSPAR 1979-054D) was a SU satellite that re-entered Earth's atmosphere on 30 Jun 1979, launched on 12 Jun 1979 on the Gektor-Priroda mission. It was operated by TSSKB as part of the Nauka 33KS 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.

1979
launched
1979
re-entered
0
years on orbit
630
kg mass

Lifecycle

Launched12 Jun 1979 · on the Gektor-Priroda mission
Operational24 Jun 1979 · entered service
Retired24 Jun 1979 · end of operational service
Re-entered30 Jun 1979 · atmospheric re-entry — object destroyed

Specifications

NORAD ID11415
COSPAR1979-054D
TypeSatellite
OperatorTSSKB
Country / StateSU
ManufacturerTSSKB
BusNauka
Mass630 kg
ProgrammeNauka 33KS
CategoryAST
OrbitLEO (LLEO/I)
Altitude197 × 204 km
Inclination81.4°

Frequently asked questions

What happened to Nauka 33KS No. 1L?

Nauka 33KS No. 1L re-entered Earth's atmosphere on 30 Jun 1979, ending a mission that began with its launch in 1979. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Nauka 33KS No. 1L re-enter the atmosphere?

Nauka 33KS No. 1L re-entered on 30 Jun 1979, according to Orbital Radar's historical catalogue records.

Who operated and built Nauka 33KS No. 1L?

Nauka 33KS No. 1L was operated by TSSKB and built by TSSKB (SU).

Launched together

Gektor-Priroda No. 103LRe-entered 1979
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.