🛰️ SATELLITE · HISTORICAL RECORD
Tsiklon-B
Retired 1977Tsiklon-B (NORAD 8419, COSPAR 1975-103A) is a retired SU satellite, withdrawn from service around 1 Jan 1977, launched on 4 Nov 1975 on the Tsiklon-B mission. It was operated by OKB10 as part of the Parus programme. The spacecraft was built by OKB10 on the KAUR-1 11F627 bus, with a mass of 800 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1975
launched
1977
retired
51
years on orbit
800
kg mass
Lifecycle
Launched4 Nov 1975 · on the Tsiklon-B mission
Operational1 Jan 1977 · entered service
Retired1 Jan 1977 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID8419
COSPAR1975-103A
TypeSatellite
OperatorOKB10
Country / StateSU
ManufacturerOKB10
BusKAUR-1 11F627
Mass800 kg
ProgrammeParus
CategoryNAV
OrbitLEO (LEO/I)
Altitude973 × 1,004 km
Inclination83.0°
Frequently asked questions
What happened to Tsiklon-B?
Tsiklon-B was retired from service around 1 Jan 1977 after launching in 1975. It is no longer operational but remains catalogued.
Who operated and built Tsiklon-B?
Tsiklon-B was operated by OKB10 and built by OKB10 (SU).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.