🛰️ SATELLITE · HISTORICAL RECORD
Tsiklon No. 25L
Retired 1972Tsiklon No. 25L (NORAD 5238, COSPAR 1971-046A) is a retired SU satellite, withdrawn from service around 1 Jan 1972, launched on 22 May 1971 on the Tsiklon mission. It was operated by OKB10 as part of the Tsiklon A3 programme. The spacecraft was built by OAZ on the KAUR-1 11F617 bus, with a mass of 680 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1971
launched
1972
retired
55
years on orbit
680
kg mass
Lifecycle
Launched22 May 1971 · on the Tsiklon mission
Operational1 Jan 1972 · entered service
Retired1 Jan 1972 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID5238
COSPAR1971-046A
TypeSatellite
OperatorOKB10
Country / StateSU
ManufacturerOAZ
BusKAUR-1 11F617
Mass680 kg
ProgrammeTsiklon A3
CategoryNAV
OrbitLEO (LEO/I)
Altitude986 × 1,009 km
Inclination74.0°
Frequently asked questions
What happened to Tsiklon No. 25L?
Tsiklon No. 25L was retired from service around 1 Jan 1972 after launching in 1971. It is no longer operational but remains catalogued.
Who operated and built Tsiklon No. 25L?
Tsiklon No. 25L was operated by OKB10 and built by OAZ (SU).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.