Approximate orbit · United States
USA 37
USA 37 (NORAD 19976) is a satellite whose full orbit is not public. What is published: its height and tilt, drawn to scale, and who operates it.
Orbit
Approximate orbit, direction and position not public
31,892 to 39,670 km up · tilted 8.2° · 1,435.8 min a lap · as listed on 14 Oct 2026
Its height and tilt are public. Which way its orbit faces, and where it is, are not, so azmth shows no position or pass times.
Why some orbits are not public →
Height and tilt: CelesTrak and Space-Track.org, as listed on 14 Oct 2026
Catalogue
- Country
- United States
- From GCAT (14 Oct 2026)
- Launched
- 10 May 1989
- COSPAR ID
- 1989-035A
- NORAD ID
- 19976
The United States registered it with the UN (ST/SG/SER.E/212). The orbit values filed did not pass azmth's checks, so they are left out.
Who operates it
Independent assessment
GCAT classes it as a military satellite for signals intelligence, lists its owner as National Reconnaissance Office and records it as active (14 Oct 2026).
Data: GCAT · CC BY 4.0 Class, mission and status adapted from GCAT by Jonathan McDowell, CC BY 4.0, data update 14 Oct 2026.
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