🛰️ SATELLITE · HISTORICAL RECORD
Secor II S/N 1 (TR-27)
Retired 1968Secor II S/N 1 (TR-27) (NORAD 1208, COSPAR 1965-016E) is a retired US satellite, withdrawn from service around 1 Jan 1968, launched on 9 Mar 1965 on the Secor Type II S/N 1 mission. It was operated by ACE / GIMR as part of the Secor II programme. The spacecraft was built by ITT on the Secor bus, with a mass of 18 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1965
launched
1968
retired
61
years on orbit
18
kg mass
Lifecycle
Launched9 Mar 1965 · on the Secor Type II S/N 1 mission
Operational1 Jul 1967 · entered service
Retired1 Jan 1968 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID1208
COSPAR1965-016E
TypeSatellite
OperatorACE / GIMR
Country / StateUS
ManufacturerITT
BusSecor
Mass18 kg
ProgrammeSecor II
CategoryGEOD
OrbitLEO (LEO/I)
Altitude907 × 939 km
Inclination70.1°
Frequently asked questions
What happened to Secor II S/N 1 (TR-27)?
Secor II S/N 1 (TR-27) was retired from service around 1 Jan 1968 after launching in 1965. It is no longer operational but remains catalogued.
How long was Secor II S/N 1 (TR-27) operational?
Secor II S/N 1 (TR-27) was operational for roughly 6 months, from 1 Jul 1967 to 1 Jan 1968.
Who operated and built Secor II S/N 1 (TR-27)?
Secor II S/N 1 (TR-27) was operated by ACE / GIMR and built by ITT (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.