🛰️ SATELLITE · HISTORICAL RECORD
US-A No. 313 ROCh
Retired 1972US-A No. 313 ROCh (NORAD 6154, COSPAR 1972-066A) is a retired SU satellite, withdrawn from service around 22 Sep 1972, launched on 21 Aug 1972 on the US-A reactor mission. It was operated by TSKBM as part of the US-A programme. The spacecraft was built by TSKBM/KB1 on the US-A reactor bus, with a mass of 1,150 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1972
launched
1972
retired
54
years on orbit
1,150
kg mass
Lifecycle
Launched21 Aug 1972 · on the US-A reactor mission
Operational22 Sep 1972 · entered service
Retired22 Sep 1972 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID6154
COSPAR1972-066A
TypeSatellite
OperatorTSKBM
Country / StateSU
ManufacturerTSKBM/KB1
BusUS-A reactor
Mass1,150 kg
ProgrammeUS-A
CategorySIG
OrbitLEO (LLEO/I)
Altitude247 × 265 km
Inclination65.0°
Frequently asked questions
What happened to US-A No. 313 ROCh?
US-A No. 313 ROCh was retired from service around 22 Sep 1972 after launching in 1972. It is no longer operational but remains catalogued.
Who operated and built US-A No. 313 ROCh?
US-A No. 313 ROCh was operated by TSKBM and built by TSKBM/KB1 (SU).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.