🛰️ SATELLITE · HISTORICAL RECORD
DMSP Block 4A F-2
Retired 1967DMSP Block 4A F-2 (NORAD 2669, COSPAR 1967-010A) is a retired US satellite, withdrawn from service around 19 May 1967, launched on 8 Feb 1967 on the DAPP 2418 mission. It was operated by AFSSD as part of the DAPP 4A programme. The spacecraft was built by RCA on the DMSP Block 4A bus, with a mass of 79 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1967
launched
1967
retired
59
years on orbit
79
kg mass
Lifecycle
Launched8 Feb 1967 · on the DAPP 2418 mission
Operational19 May 1967 · entered service
Retired19 May 1967 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID2669
COSPAR1967-010A
TypeSatellite
OperatorAFSSD
Country / StateUS
ManufacturerRCA
BusDMSP Block 4A
Mass79 kg
ProgrammeDAPP 4A
CategoryMET
OrbitLEO (LEO/S)
Altitude790 × 868 km
Inclination98.9°
Frequently asked questions
What happened to DMSP Block 4A F-2?
DMSP Block 4A F-2 was retired from service around 19 May 1967 after launching in 1967. It is no longer operational but remains catalogued.
Who operated and built DMSP Block 4A F-2?
DMSP Block 4A F-2 was operated by AFSSD and built by RCA (US).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.