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Oko 73D6 No. 6044

Re-entered 10 Nov 2005

Oko 73D6 No. 6044 (NORAD 19445, COSPAR 1988-076A) was a SU satellite that re-entered Earth's atmosphere on 10 Nov 2005, launched on 30 Aug 1988 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.

1988
launched
2005
re-entered
17
years on orbit
1,250
kg mass

Lifecycle

Launched30 Aug 1988 · on the Oko mission
Operational16 Nov 1990 · entered service
Retired16 Nov 1990 · end of operational service
Re-entered10 Nov 2005 · atmospheric re-entry — object destroyed

Specifications

NORAD ID19445
COSPAR1988-076A
TypeSatellite
OperatorPVO
Country / StateSU
ManufacturerNPOL/KOMET
BusOko
Mass1,250 kg (1,150 kg dry)
ProgrammeOko E
CategoryEW
OrbitHEO (HEO/M)
Altitude641 × 39,717 km
Inclination63.0°

Frequently asked questions

What happened to Oko 73D6 No. 6044?

Oko 73D6 No. 6044 re-entered Earth's atmosphere on 10 Nov 2005, ending a mission that began with its launch in 1988. 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. 6044 re-enter the atmosphere?

Oko 73D6 No. 6044 re-entered on 10 Nov 2005, according to Orbital Radar's historical catalogue records.

Who operated and built Oko 73D6 No. 6044?

Oko 73D6 No. 6044 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.