🛰️ SATELLITE · HISTORICAL RECORD
ERS 15
Historical recordERS 15 (NORAD 2412, COSPAR 1966-077C) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 19 Aug 1966 on the Midas RTS-I F2 mission. It was operated by AFSSD as part of the ORS II programme. The spacecraft was built by TRW on the ORS bus, with a mass of 5 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1966
launched
60
years on orbit
5
kg mass
Lifecycle
Launched19 Aug 1966 · on the Midas RTS-I F2 mission
Operational1 Jan 1970 · entered service
Specifications
NORAD ID2412
COSPAR1966-077C
TypeSatellite
OperatorAFSSD
Country / StateUS
ManufacturerTRW
BusORS
Mass5 kg
ProgrammeORS II
CategoryTECH
OrbitMEO (MEO)
Altitude3,684 × 3,700 km
Inclination90.1°
Frequently asked questions
What happened to ERS 15?
ERS 15 is a historical catalogue entry from a 1966 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 ERS 15?
ERS 15 was operated by AFSSD and built by TRW (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.