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🛰️ SATELLITE · HISTORICAL RECORD

Kosmos-1074

Re-entered 1 Apr 1979

Kosmos-1074 (NORAD 11259, COSPAR 1979-008A) was a SU satellite that re-entered Earth's atmosphere on 1 Apr 1979, launched on 31 Jan 1979 on the Soyuz 7K-ST No. 5L mission. It is catalogued as Soyuz 7K-ST No. 5L. It was operated by NPO Energiya as part of the 7K-ST programme. The spacecraft was built by NPOE on the 7K-ST bus, with a mass of 2,850 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
2,850
kg mass

Lifecycle

Launched31 Jan 1979 · on the Soyuz 7K-ST No. 5L mission
Operational1 Apr 1979 · entered service
Retired1 Apr 1979 · end of operational service
Re-entered1 Apr 1979 · atmospheric re-entry — object destroyed

Specifications

NORAD ID11259
COSPAR1979-008A
TypeSatellite
OperatorNPO Energiya
Country / StateSU
ManufacturerNPOE
Bus7K-ST
Mass2,850 kg
Programme7K-ST
CategorySS
OrbitLEO (LLEO/I)
Altitude358 × 374 km
Inclination51.6°

Frequently asked questions

What happened to Kosmos-1074?

Kosmos-1074 re-entered Earth's atmosphere on 1 Apr 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 Kosmos-1074 re-enter the atmosphere?

Kosmos-1074 re-entered on 1 Apr 1979, according to Orbital Radar's historical catalogue records.

Who operated and built Kosmos-1074?

Kosmos-1074 was operated by NPO Energiya and built by NPOE (SU).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-10-05.