🛰️ SATELLITE · HISTORICAL RECORD
Midas ETS-III F4
Retired 1963Midas ETS-III F4 (NORAD 622, COSPAR 1963-030A) is a retired US satellite, withdrawn from service around 30 Jul 1963, launched on 19 Jul 1963 on the Midas ETS-III F4 mission. It was operated by AFSSD as part of the Midas ETS-III programme. The spacecraft was built by LMSC on the Midas bus, with a mass of 840 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1963
launched
1963
retired
63
years on orbit
840
kg mass
Lifecycle
Launched19 Jul 1963 · on the Midas ETS-III F4 mission
Operational30 Jul 1963 · entered service
Retired30 Jul 1963 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID622
COSPAR1963-030A
TypeSatellite
OperatorAFSSD
Country / StateUS
ManufacturerLMSC
BusMidas
Mass840 kg
ProgrammeMidas ETS-III
CategoryEW
OrbitMEO (MEO)
Altitude3,670 × 3,732 km
Inclination88.4°
Frequently asked questions
What happened to Midas ETS-III F4?
Midas ETS-III F4 was retired from service around 30 Jul 1963 after launching in 1963. It is no longer operational but remains catalogued.
Who operated and built Midas ETS-III F4?
Midas ETS-III F4 was operated by AFSSD and built by LMSC (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.