HomeLibraryRe-entered SatellitesOko 5V95 No. 6011
🛰️ SATELLITE · HISTORICAL RECORD

Oko 5V95 No. 6011

Re-entered 2 Sep 2000

Oko 5V95 No. 6011 (NORAD 12547, COSPAR 1981-058A) was a SU satellite that re-entered Earth's atmosphere on 2 Sep 2000, launched on 19 Jun 1981 on the Oko mission. It was operated by PVO as part of the Oko D programme. The spacecraft was built by NPOL/KOMET on the Oko bus, with a mass of 1,250 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
2000
re-entered
19
years on orbit
1,250
kg mass

Lifecycle

Launched19 Jun 1981 · on the Oko mission
Operational4 Jun 1984 · entered service
Retired4 Jun 1984 · end of operational service
Re-entered2 Sep 2000 · atmospheric re-entry — object destroyed

Specifications

NORAD ID12547
COSPAR1981-058A
TypeSatellite
OperatorPVO
Country / StateSU
ManufacturerNPOL/KOMET
BusOko
Mass1,250 kg (1,150 kg dry)
ProgrammeOko D
CategoryEW
OrbitHEO (HEO/M)
Altitude665 × 39,725 km
Inclination62.9°

Frequently asked questions

What happened to Oko 5V95 No. 6011?

Oko 5V95 No. 6011 re-entered Earth's atmosphere on 2 Sep 2000, 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 Oko 5V95 No. 6011 re-enter the atmosphere?

Oko 5V95 No. 6011 re-entered on 2 Sep 2000, according to Orbital Radar's historical catalogue records.

Who operated and built Oko 5V95 No. 6011?

Oko 5V95 No. 6011 was operated by PVO and built by NPOL/KOMET (SU).

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