NAVSTAR 57 (USA 183)
NAVSTAR 57 (USA 183) is a navigation operated by United States, currently in medium Earth orbit near 19,849 km. It completes one orbit of Earth roughly every 718 minutes at an inclination of 54.9°. It was launched in 2005. Track its live position and see when it passes over your location on azmth.
Orbital data
- NORAD ID
- 28874
- COSPAR ID
- 2005-038A
- Type
- Navigation
- Orbit
- MEO
- Perigee (lowest)
- 19,849 km
- Apogee (highest)
- 20,530 km
- Inclination
- 54.85°
- Orbital period
- 718 min
- Launch year
- 2005
- Operator
- United States
Orbital data updated: 2026-07-20 · from CelesTrak, refreshed every 2 hours.
About MEO orbit
Medium Earth Orbit. Between 2,000 and 35,786 km. Home to navigation constellations like GPS (~20,200 km), Galileo, and BeiDou. Orbital period 2 to 24 hours.
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