Oko 73D6 No. 6064

Re-entered 14 Sep 2011

Oko 73D6 No. 6064 (NORAD 27409, COSPAR 2002-017A) was a RU satellite that re-entered Earth's atmosphere on 14 Sep 2011, launched on 1 Apr 2002 on the Oko US-KS 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 1,900 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.

2002

launched

2011

re-entered

years on orbit

1,900

kg mass

Lifecycle

Launched1 Apr 2002 · on the Oko US-KS mission

Operational1 Nov 2006 · entered service

Retired1 Nov 2006 · end of operational service

Re-entered14 Sep 2011 · atmospheric re-entry — object destroyed

Specifications

NORAD ID27409

COSPAR2002-017A

TypeSatellite

OperatorPVO

Country / StateRU

ManufacturerNPOL/KOMET

BusOko

Mass1,900 kg (1,850 kg dry)

ProgrammeOko E

CategoryEW

OrbitHEO (HEO/M)

Altitude519 × 39,727 km

Inclination62.9°

Frequently asked questions

What happened to Oko 73D6 No. 6064?

Oko 73D6 No. 6064 re-entered Earth's atmosphere on 14 Sep 2011, ending a mission that began with its launch in 2002. 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. 6064 re-enter the atmosphere?

Oko 73D6 No. 6064 re-entered on 14 Sep 2011, according to Orbital Radar's historical catalogue records.

Who operated and built Oko 73D6 No. 6064?

Oko 73D6 No. 6064 was operated by PVO and built by NPOL/KOMET (RU).

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 US-KS → What is space debris? →