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Nauka 19KS No. 1L

Re-entered 1 Sep 1976

Nauka 19KS No. 1L (NORAD 9374, COSPAR 1976-082D) was a SU satellite that re-entered Earth's atmosphere on 1 Sep 1976, launched on 12 Aug 1976 on the Zenit-2M mission. It was operated by TSSKB as part of the Nauka 19KS 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.

1976
launched
1976
re-entered
0
years on orbit
630
kg mass

Lifecycle

Launched12 Aug 1976 · on the Zenit-2M mission
Operational15 Aug 1976 · entered service
Retired15 Aug 1976 · end of operational service
Re-entered1 Sep 1976 · atmospheric re-entry — object destroyed

Specifications

NORAD ID9374
COSPAR1976-082D
TypeSatellite
OperatorTSSKB
Country / StateSU
ManufacturerTSSKB
BusNauka
Mass630 kg
ProgrammeNauka 19KS
CategoryTECH?
OrbitLEO (LLEO/I)
Altitude199 × 280 km
Inclination62.8°

Frequently asked questions

What happened to Nauka 19KS No. 1L?

Nauka 19KS No. 1L re-entered Earth's atmosphere on 1 Sep 1976, ending a mission that began with its launch in 1976. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Nauka 19KS No. 1L re-enter the atmosphere?

Nauka 19KS No. 1L re-entered on 1 Sep 1976, according to Orbital Radar's historical catalogue records.

Who operated and built Nauka 19KS No. 1L?

Nauka 19KS No. 1L was operated by TSSKB and built by TSSKB (SU).

Launched together

Gektor No. 78LRe-entered 1976
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.