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Soyuz 7K-T No. 56

Re-entered 15 May 1981

Soyuz 7K-T No. 56 (NORAD 12454, COSPAR 1981-042A) was a SU satellite that re-entered Earth's atmosphere on 15 May 1981, launched on 14 May 1981 on the Soyuz 7K-T No. 56 mission. It was operated by NPOE as part of the 7K-T programme. The spacecraft was built by NPOE on the 7K-T 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.

1981
launched
1981
re-entered
0
years on orbit
2,850
kg mass

Lifecycle

Launched14 May 1981 · on the Soyuz 7K-T No. 56 mission
Operational22 May 1981 · entered service
Retired22 May 1981 · end of operational service
Re-entered15 May 1981 · atmospheric re-entry — object destroyed

Specifications

NORAD ID12454
COSPAR1981-042A
TypeSatellite
OperatorNPOE
Country / StateSU
ManufacturerNPOE
Bus7K-T
Mass2,850 kg
Programme7K-T
CategorySS
OrbitLEO (LLEO/I)
Altitude268 × 343 km
Inclination51.6°

Frequently asked questions

What happened to Soyuz 7K-T No. 56?

Soyuz 7K-T No. 56 re-entered Earth's atmosphere on 15 May 1981, ending a mission that began with its launch in 1981. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Soyuz 7K-T No. 56 re-enter the atmosphere?

Soyuz 7K-T No. 56 re-entered on 15 May 1981, according to Orbital Radar's historical catalogue records.

Who operated and built Soyuz 7K-T No. 56?

Soyuz 7K-T No. 56 was operated by NPOE and built by NPOE (SU).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.