🛰️ SATELLITE · HISTORICAL RECORD
US-A No. 310 ROCh
Retired 1970US-A No. 310 ROCh (NORAD 4564, COSPAR 1970-079A) is a retired SU satellite, withdrawn from service around 3 Oct 1970, launched on 3 Oct 1970 on the US-A reactor mission.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.
1970
launched
1970
retired
56
years on orbit
1,150
kg mass
Lifecycle
Launched3 Oct 1970 · on the US-A reactor mission
Operational3 Oct 1970 · entered service
Retired3 Oct 1970 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID4564
COSPAR1970-079A
TypeSatellite
OperatorTSKBM
Country / StateSU
ManufacturerTSKBM/KB1
BusUS-A reactor
Mass1,150 kg
ProgrammeUS-A
CategorySIG
OrbitLEO (LEO/I)
Altitude918 × 1,025 km
Inclination65.3°
Frequently asked questions
What happened to US-A No. 310 ROCh?
US-A No. 310 ROCh was retired from service around 3 Oct 1970 after launching in 1970. It is no longer operational but remains catalogued.
Who operated and built US-A No. 310 ROCh?
US-A No. 310 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.