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🛰️ SATELLITE · HISTORICAL RECORD

Oktan No. 7L

Re-entered 28 Jan 1983

Oktan No. 7L (NORAD 13725, COSPAR 1982-117A) was a SU satellite that re-entered Earth's atmosphere on 28 Jan 1983, launched on 16 Dec 1982 on the Oktan No. 217 mission. It was operated by GUKOS as part of the Oktan programme. The spacecraft was built by TSSKB on the Yantar'-4K1 bus, with a mass of 2,886 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.

1982
launched
1983
re-entered
1
year on orbit
2,886
kg mass

Lifecycle

Launched16 Dec 1982 · on the Oktan No. 217 mission
Operational28 Jan 1983 · entered service
Retired28 Jan 1983 · end of operational service
Re-entered28 Jan 1983 · atmospheric re-entry — object destroyed

Specifications

NORAD ID13725
COSPAR1982-117A
TypeSatellite
OperatorGUKOS
Country / StateSU
ManufacturerTSSKB
BusYantar'-4K1
Mass2,886 kg
ProgrammeOktan
CategoryIMG
OrbitLEO (LLEO/I)
Altitude170 × 298 km
Inclination64.9°

Frequently asked questions

What happened to Oktan No. 7L?

Oktan No. 7L re-entered Earth's atmosphere on 28 Jan 1983, ending a mission that began with its launch in 1982. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Oktan No. 7L re-enter the atmosphere?

Oktan No. 7L re-entered on 28 Jan 1983, according to Orbital Radar's historical catalogue records.

Who operated and built Oktan No. 7L?

Oktan No. 7L was operated by GUKOS and built by TSSKB (SU).

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