UFO 8 (USA 138)
UFO 8 (USA 138) is a military operated by United States, 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 11.2°. It was launched in 1998. Track its live position and see when it passes over your location on azmth.
Orbital data
- NORAD ID
- 25258
- COSPAR ID
- 1998-016A
- Type
- Military
- Orbit
- GEO
- Perigee (lowest)
- 35,780 km
- Apogee (highest)
- 35,811 km
- Inclination
- 11.17°
- Orbital period
- 1436 min
- Launch year
- 1998
- Operator
- United States
Orbital data updated: 2026-07-21 · from CelesTrak, refreshed every 2 hours.
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.
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