🛰️ SATELLITE · HISTORICAL RECORD
MS-F2
Historical recordMS-F2 (NORAD 5485, COSPAR 1971-080A) is a historical J catalogue entry no longer tracked in the live catalogue, launched on 28 Sep 1971 on the MS-F2 mission. It was operated by ISAS as part of the Mu Early programme. The spacecraft was built by ISAS on the ISAS MS bus, with a mass of 66 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1971
launched
55
years on orbit
66
kg mass
Lifecycle
Launched28 Sep 1971 · on the MS-F2 mission
Operational1 Jan 1972 · entered service
Specifications
NORAD ID5485
COSPAR1971-080A
TypeSatellite
OperatorISAS
Country / StateJ
ManufacturerISAS
BusISAS MS
Mass66 kg
ProgrammeMu Early
CategorySCI
OrbitLEO (LEO/I)
Altitude869 × 1,867 km
Inclination32.1°
Frequently asked questions
What happened to MS-F2?
MS-F2 is a historical catalogue entry from a 1971 launch. It is not currently tracked in the live catalogue — typically meaning it has decayed, been retired, or its tracking elements have lapsed.
Who operated and built MS-F2?
MS-F2 was operated by ISAS and built by ISAS (J).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.