🛰️ SATELLITE · HISTORICAL RECORD
IDCSP 4
Retired 1969IDCSP 4 (NORAD 2218, COSPAR 1966-053E) is a retired US satellite, withdrawn from service around 1 Jan 1969, launched on 16 Jun 1966 on the GGTS mission. It was operated by AFSSD as part of the IDCSP programme. The spacecraft was built by PHFP on the IDCSP bus, with a mass of 45 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1966
launched
1969
retired
60
years on orbit
45
kg mass
Lifecycle
Launched16 Jun 1966 · on the GGTS mission
Operational1 Jan 1969 · entered service
Retired1 Jan 1969 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID2218
COSPAR1966-053E
TypeSatellite
OperatorAFSSD
Country / StateUS
ManufacturerPHFP
BusIDCSP
Mass45 kg
ProgrammeIDCSP
CategoryCOM
OrbitMEO (MEO)
Altitude33,715 × 33,994 km
Inclination0.5°
Frequently asked questions
What happened to IDCSP 4?
IDCSP 4 was retired from service around 1 Jan 1969 after launching in 1966. It is no longer operational but remains catalogued.
Who operated and built IDCSP 4?
IDCSP 4 was operated by AFSSD and built by PHFP (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.