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NTS 1

Retired 1977

NTS 1 (NORAD 7369, COSPAR 1974-054A) is a retired US satellite, withdrawn from service around 1 Jan 1977, launched on 14 Jul 1974 on the NTS 1 mission. It was operated by SAMSO as part of the NTS programme. The spacecraft was built by NRL on the NTS bus, with a mass of 295 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1974
launched
1977
retired
52
years on orbit
295
kg mass

Lifecycle

Launched14 Jul 1974 · on the NTS 1 mission
Operational1 Jan 1977 · entered service
Retired1 Jan 1977 · end of operational service
StatusOn orbit (not live-tracked)

Specifications

NORAD ID7369
COSPAR1974-054A
TypeSatellite
OperatorSAMSO
Country / StateUS
ManufacturerNRL
BusNTS
Mass295 kg
ProgrammeNTS
CategoryNAV
OrbitMEO (MEO)
Altitude13,473 × 13,746 km
Inclination125.1°

Frequently asked questions

What happened to NTS 1?

NTS 1 was retired from service around 1 Jan 1977 after launching in 1974. It is no longer operational but remains catalogued.

Who operated and built NTS 1?

NTS 1 was operated by SAMSO and built by NRL (US).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.