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🛰️ SATELLITE · HISTORICAL RECORD

DOS-5

Re-entered 29 Jul 1982

DOS-5 (NORAD 10382, COSPAR 1977-097A) was a SU satellite that re-entered Earth's atmosphere on 29 Jul 1982, launched on 29 Sep 1977 on the DOS 5 mission. It was operated by NPOE as part of the DOS programme. The spacecraft was built by ZIKH on the Almaz bus, with a mass of 19,824 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.

1977
launched
1982
re-entered
5
years on orbit
19,824
kg mass

Lifecycle

Launched29 Sep 1977 · on the DOS 5 mission
Operational29 Jul 1981 · entered service
Retired29 Jul 1981 · end of operational service
Re-entered29 Jul 1982 · atmospheric re-entry — object destroyed

Specifications

NORAD ID10382
COSPAR1977-097A
TypeSatellite
OperatorNPOE
Country / StateSU
ManufacturerZIKH
BusAlmaz
Mass19,824 kg
ProgrammeDOS
CategorySS
OrbitLEO (LLEO/I)
Altitude336 × 345 km
Inclination51.6°

Frequently asked questions

What happened to DOS-5?

DOS-5 re-entered Earth's atmosphere on 29 Jul 1982, ending a mission that began with its launch in 1977. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did DOS-5 re-enter the atmosphere?

DOS-5 re-entered on 29 Jul 1982, according to Orbital Radar's historical catalogue records.

Who operated and built DOS-5?

DOS-5 was operated by NPOE and built by ZIKH (SU).

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