UFO 4 (USA 108)

MilitaryGEOUnited States

UFO 4 (USA 108) is a military satellite, as listed in Jonathan McDowell's GCAT catalogue, with ownership listed as United States in CelesTrak's catalogue, currently in a geostationary orbit about 35,780 km above the equator. It completes one orbit of Earth roughly every 1436 minutes at an inclination of 9.7°. It was launched in 1995. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 23467
COSPAR ID: 1995-003A
Type: Military
Orbit: GEO
Perigee (lowest): 35,780 km
Apogee (highest): 35,806 km
Inclination: 9.73°
Orbital period: 1436 min
Launch year: 1995
Owner (CelesTrak): United States

Orbital data updated: 2026-10-18 · from CelesTrak, refreshed every 2 hours.

Who operates it

United StatesLIVEMission ended about 2005, still transmitting

Communications

GCAT lists it as UHF F/O F4.

Independent assessment

GCAT classes it as a military satellite for communications and records its mission as ended in about 2005, though it still transmits (17 Oct 2026).

Data: GCAT · CC BY 4.0 Class, mission and status adapted from GCAT by Jonathan McDowell, CC BY 4.0, data update 17 Oct 2026.

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About GEO orbit

Geostationary Orbit. Exactly 35,786 km above the equator. Satellites here orbit at the same rate Earth rotates, so they appear stationary in the sky. Used for TV, weather, and communications.