Approximate orbit · United States
USA 647
USA 647 (NORAD 100661) 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
288 to 303 km up · tilted 70.0° · 90.4 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 Sep 2026
- COSPAR ID
- 2026-206D
- NORAD ID
- 100661
No published UN registration yet: the UN has published United States registrations for launches up to June 2025 (checked 30 Sep 2026).
Who operates it
Official description
“Currently, specific details about the mission and payload are protected.”
Space Systems Command spokesperson, as reported by Spaceflight Now, 10 Sep 2026
It names no purpose.
Spaceflight Now reported (25 Sep 2026), on this launch and the one of 16 Aug 2026: “Although the Space Force revealed no details about the missions, it cataloged 23 satellites in orbit following each launch.”
Independent assessment
GCAT classes it as a military satellite for communications, lists its owner as US Space Force Space Systems Command 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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