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Oko 73D6 No. 6022

Re-entered 19 Sep 1998

Oko 73D6 No. 6022 (NORAD 14587, COSPAR 1983-126A) was a SU satellite that re-entered Earth's atmosphere on 19 Sep 1998, launched on 28 Dec 1983 on the Oko mission. It was operated by PVO as part of the Oko E 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.

1983
launched
1998
re-entered
15
years on orbit
1,250
kg mass

Lifecycle

Launched28 Dec 1983 · on the Oko mission
Operational27 Jun 1984 · entered service
Retired27 Jun 1984 · end of operational service
Re-entered19 Sep 1998 · atmospheric re-entry — object destroyed

Specifications

NORAD ID14587
COSPAR1983-126A
TypeSatellite
OperatorPVO
Country / StateSU
ManufacturerNPOL/KOMET
BusOko
Mass1,250 kg (1,150 kg dry)
ProgrammeOko E
CategoryEW
OrbitHEO (HEO/M)
Altitude615 × 39,768 km
Inclination63.0°

Frequently asked questions

What happened to Oko 73D6 No. 6022?

Oko 73D6 No. 6022 re-entered Earth's atmosphere on 19 Sep 1998, 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 Oko 73D6 No. 6022 re-enter the atmosphere?

Oko 73D6 No. 6022 re-entered on 19 Sep 1998, according to Orbital Radar's historical catalogue records.

Who operated and built Oko 73D6 No. 6022?

Oko 73D6 No. 6022 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.