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🛰️ SATELLITE · HISTORICAL RECORD

Oktan No. 4L

Re-entered 8 Jun 1983

Oktan No. 4L (NORAD 14039, COSPAR 1983-039A) was a SU satellite that re-entered Earth's atmosphere on 8 Jun 1983, launched on 26 Apr 1983 on the Oktan No. 214 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.

1983
launched
1983
re-entered
0
years on orbit
2,886
kg mass

Lifecycle

Launched26 Apr 1983 · on the Oktan No. 214 mission
Operational8 Jun 1983 · entered service
Retired8 Jun 1983 · end of operational service
Re-entered8 Jun 1983 · atmospheric re-entry — object destroyed

Specifications

NORAD ID14039
COSPAR1983-039A
TypeSatellite
OperatorGUKOS
Country / StateSU
ManufacturerTSSKB
BusYantar'-4K1
Mass2,886 kg
ProgrammeOktan
CategoryIMG
OrbitLEO (LLEO/I)
Altitude169 × 355 km
Inclination70.4°

Frequently asked questions

What happened to Oktan No. 4L?

Oktan No. 4L re-entered Earth's atmosphere on 8 Jun 1983, ending a mission that began with its launch in 1983. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Oktan No. 4L re-enter the atmosphere?

Oktan No. 4L re-entered on 8 Jun 1983, according to Orbital Radar's historical catalogue records.

Who operated and built Oktan No. 4L?

Oktan No. 4L 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.