🛰️ SATELLITE · HISTORICAL RECORD
ETS 1
Retired 1982ETS 1 (NORAD 8197, COSPAR 1975-082A) is a retired J satellite, withdrawn from service around 28 Apr 1982, launched on 9 Sep 1975 on the ETS 1 mission. It was operated by NASDA as part of the ETS programme. The spacecraft was built by NEC/HSES on the ETS-1 bus, with a mass of 82 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1975
launched
1982
retired
51
years on orbit
82
kg mass
Lifecycle
Launched9 Sep 1975 · on the ETS 1 mission
Operational28 Apr 1982 · entered service
Retired28 Apr 1982 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID8197
COSPAR1975-082A
TypeSatellite
OperatorNASDA
Country / StateJ
ManufacturerNEC/HSES
BusETS-1
Mass82 kg
ProgrammeETS
CategoryTECH
OrbitLEO (LEO/I)
Altitude974 × 1,102 km
Inclination47.0°
Frequently asked questions
What happened to ETS 1?
ETS 1 was retired from service around 28 Apr 1982 after launching in 1975. It is no longer operational but remains catalogued.
Who operated and built ETS 1?
ETS 1 was operated by NASDA and built by NEC/HSES (J).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.