🛰️ SATELLITE · CATALOGUE RECORD
USA 37
In orbitUSA 37 (NORAD 19976, COSPAR 1989-035A) is a US satellite in orbit, launched on 10 May 1989 on the VORTEX 6 mission. It is catalogued as VORTEX 13. It is operated by NRO / SAFSP as part of the VORTEX programme. The spacecraft was built by TRW on the Vortex bus, with a mass of 1,000 kg. No current orbital elements are published for it, so it is not shown on the live map or in pass predictions. Catalogue record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1989
launched
37
years on orbit
1,000
kg mass
Lifecycle
Launched10 May 1989 · on the VORTEX 6 mission
StatusOn orbit (not live-tracked)
Specifications
NORAD ID19976
COSPAR1989-035A
TypeSatellite
OperatorNRO / SAFSP
Country / StateUS
ManufacturerTRW
BusVortex
Mass1,000 kg (900 kg dry)
ProgrammeVORTEX
CategorySIG
OrbitGEO (GEO/NS)
Altitude31,000 × 41,000 km
Inclination10.0°
Frequently asked questions
What is USA 37?
USA 37 is a satellite launched in 1989 that is still in orbit. No current orbital elements are published for it, so it is not shown on the live map or in pass predictions.
Who operates and built USA 37?
USA 37 is operated by NRO / SAFSP and built by TRW (US).
Catalogue record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-10-22.