🛰️ SATELLITE · HISTORICAL RECORD
Secor II S/N 10 (TR-30A)
Retired 1972Secor II S/N 10 (TR-30A) (NORAD 2861, COSPAR 1967-065A) is a retired US satellite, withdrawn from service around 1 Jan 1972, launched on 29 Jun 1967 on the Secor Type II S/N 10 mission.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.
1967
launched
1972
retired
59
years on orbit
18
kg mass
Lifecycle
Launched29 Jun 1967 · on the Secor Type II S/N 10 mission
Operational1 Jan 1972 · entered service
Retired1 Jan 1972 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID2861
COSPAR1967-065A
TypeSatellite
OperatorACE / GIMR
Country / StateUS
ManufacturerITT
BusSecor
Mass18 kg
ProgrammeSecor II
CategoryGEOD
OrbitMEO (MEO)
Altitude3,797 × 3,946 km
Inclination89.8°
Frequently asked questions
What happened to Secor II S/N 10 (TR-30A)?
Secor II S/N 10 (TR-30A) was retired from service around 1 Jan 1972 after launching in 1967. It is no longer operational but remains catalogued.
Who operated and built Secor II S/N 10 (TR-30A)?
Secor II S/N 10 (TR-30A) 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.