Oko 73D6 No. 6026

Re-entered 6 Jan 2016

Oko 73D6 No. 6026 (NORAD 15147, COSPAR 1984-079A) was a SU satellite that re-entered Earth's atmosphere on 6 Jan 2016, launched on 2 Aug 1984 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.

1984

launched

2016

re-entered

years on orbit

1,250

kg mass

Lifecycle

Launched2 Aug 1984 · on the Oko mission

Operational12 Aug 1985 · entered service

Retired12 Aug 1985 · end of operational service

Re-entered6 Jan 2016 · atmospheric re-entry — object destroyed

Specifications

NORAD ID15147

COSPAR1984-079A

TypeSatellite

OperatorPVO

Country / StateSU

ManufacturerNPOL/KOMET

BusOko

Mass1,250 kg (1,150 kg dry)

ProgrammeOko E

CategoryEW

OrbitHEO (HEO/M)

Altitude626 × 39,727 km

Inclination63.0°

Frequently asked questions

What happened to Oko 73D6 No. 6026?

Oko 73D6 No. 6026 re-entered Earth's atmosphere on 6 Jan 2016, ending a mission that began with its launch in 1984. 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. 6026 re-enter the atmosphere?

Oko 73D6 No. 6026 re-entered on 6 Jan 2016, according to Orbital Radar's historical catalogue records.

Who operated and built Oko 73D6 No. 6026?

Oko 73D6 No. 6026 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.

Browse the live satellite directory → Re-entered satellites archive → Launch record: Oko → What is space debris? →