🛰️ SATELLITE · HISTORICAL RECORD
Kosmos-1604
Retired 1985Kosmos-1604 (NORAD 15350, COSPAR 1984-107A) is a retired SU satellite, withdrawn from service around 10 Jan 1985, launched on 4 Oct 1984 on the Oko mission. It is catalogued as Oko 5V95 No. 6016. 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. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1984
launched
1985
retired
42
years on orbit
1,250
kg mass
Lifecycle
Launched4 Oct 1984 · on the Oko mission
Operational10 Jan 1985 · entered service
Retired10 Jan 1985 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID15350
COSPAR1984-107A
TypeSatellite
OperatorPVO
Country / StateSU
ManufacturerNPOL/KOMET
BusOko
Mass1,250 kg (1,150 kg dry)
ProgrammeOko D
CategoryEW
OrbitHEO (HEO/M)
Altitude626 × 39,727 km
Inclination62.9°
Frequently asked questions
What happened to Kosmos-1604?
Kosmos-1604 was retired from service around 10 Jan 1985 after launching in 1984. It is no longer operational but remains catalogued.
Who operated and built Kosmos-1604?
Kosmos-1604 was operated by PVO and built by NPOL/KOMET (SU).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-18.