Geostationary
USA 153
Classified (Assessed: SIGINT) · NRO / US Government
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A classified US satellite in geostationary orbit assessed by analysts as a large signals intelligence collector. Satellites in this class use massive antenna structures to intercept communications across wide geographic areas without detection — gathering intelligence that would be impossible to collect by any other means. Their existence is confirmed by orbital tracking; their missions are officially unacknowledged.
Its orbit
- Orbit
- Geostationaryappears to hang motionless over one spot on the equator
- Altitude
- 22,241–22,244 mi (35,793–35,798 km)
- Inclination
- 11.9°
- One orbit
- 23.9 hoursabout one orbit a day
- NORAD ID
- 26575
- Int’l designator
- 2000-065A
- Launched
- 2000
Orbital elements from CelesTrak, as of 6 Nov 2026.
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