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Okean-E No. 1L

Re-entered 10 Aug 2001

Okean-E No. 1L (NORAD 11266, COSPAR 1979-011A) was a SU satellite that re-entered Earth's atmosphere on 10 Aug 2001, launched on 12 Feb 1979 on the Okean-E NKh No. 1 mission. It was operated by GMS / YUZH as part of the Okean-E programme. The spacecraft was built by YUZH on the Okean-E bus, with a mass of 1,717 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
2001
re-entered
22
years on orbit
1,717
kg mass

Lifecycle

Launched12 Feb 1979 · on the Okean-E NKh No. 1 mission
Operational31 Mar 1980 · entered service
Retired31 Mar 1980 · end of operational service
Re-entered10 Aug 2001 · atmospheric re-entry — object destroyed

Specifications

NORAD ID11266
COSPAR1979-011A
TypeSatellite
OperatorGMS / YUZH
Country / StateSU
ManufacturerYUZH
BusOkean-E
Mass1,717 kg
ProgrammeOkean-E
CategoryIMG
OrbitLEO (LLEO/I)
Altitude567 × 586 km
Inclination82.5°

Frequently asked questions

What happened to Okean-E No. 1L?

Okean-E No. 1L re-entered Earth's atmosphere on 10 Aug 2001, 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 Okean-E No. 1L re-enter the atmosphere?

Okean-E No. 1L re-entered on 10 Aug 2001, according to Orbital Radar's historical catalogue records.

Who operated and built Okean-E No. 1L?

Okean-E No. 1L was operated by GMS / YUZH and built by YUZH (SU).

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