🛰️ SATELLITE · HISTORICAL RECORD
Secor II S/N 14 (TR-30B)
Historical recordSecor II S/N 14 (TR-30B) (NORAD 3891, COSPAR 1969-037B) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 14 Apr 1969 on the Nimbus B2 mission. It was operated by ARTOPL 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.
1969
launched
57
years on orbit
18
kg mass
Lifecycle
Launched14 Apr 1969 · on the Nimbus B2 mission
Operational1 Jan 1984 · entered service
Specifications
NORAD ID3891
COSPAR1969-037B
TypeSatellite
OperatorARTOPL
Country / StateUS
ManufacturerITT
BusSecor
Mass18 kg
ProgrammeSecor II
CategoryGEOD
OrbitLEO (LEO/S)
Altitude1,072 × 1,131 km
Inclination99.9°
Frequently asked questions
What happened to Secor II S/N 14 (TR-30B)?
Secor II S/N 14 (TR-30B) is a historical catalogue entry from a 1969 launch. It is not currently tracked in the live catalogue — typically meaning it has decayed, been retired, or its tracking elements have lapsed.
Who operated and built Secor II S/N 14 (TR-30B)?
Secor II S/N 14 (TR-30B) was operated by ARTOPL and built by ITT (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.