🛰️ SATELLITE · HISTORICAL RECORD
Sfera No. 11L
Retired 1969Sfera No. 11L (NORAD 3129, COSPAR 1968-011A) is a retired SU satellite, withdrawn from service around 1 Sep 1969, launched on 20 Feb 1968 on the Sfera mission. It was operated by OKB10 as part of the Sfera programme. The spacecraft was built by OKB10 on the KAUR-1 11F621 bus, with a mass of 800 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1968
launched
1969
retired
58
years on orbit
800
kg mass
Lifecycle
Launched20 Feb 1968 · on the Sfera mission
Operational1 Sep 1969 · entered service
Retired1 Sep 1969 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID3129
COSPAR1968-011A
TypeSatellite
OperatorOKB10
Country / StateSU
ManufacturerOKB10
BusKAUR-1 11F621
Mass800 kg
ProgrammeSfera
CategoryGEOD
OrbitLEO (LEO/I)
Altitude1,185 × 1,201 km
Inclination74.1°
Frequently asked questions
What happened to Sfera No. 11L?
Sfera No. 11L was retired from service around 1 Sep 1969 after launching in 1968. It is no longer operational but remains catalogued.
Who operated and built Sfera No. 11L?
Sfera No. 11L 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.