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RIGIDSPHERE 2 (LCS 4)
SatelliteLEOPolarUnited States
RIGIDSPHERE 2 (LCS 4) is a satellite operated by United States, currently in low Earth orbit, around 732 km altitude. It completes one orbit of Earth roughly every 100 minutes at an inclination of 87.6°. It was launched in 1971. Track its live position and see when it passes over your location on azmth.
Orbital data
- NORAD ID
- 5398
- COSPAR ID
- 1971-067E
- Type
- Satellite
- Orbit
- LEO
- Perigee (lowest)
- 732 km
- Apogee (highest)
- 814 km
- Inclination
- 87.62°
- Orbital period
- 100 min
- Launch year
- 1971
- Operator
- United States
Orbital data from CelesTrak, refreshed every 2 hours. Element epoch: 2026-06-05.
About LEO orbit
Low Earth Orbit. Up to 2,000 km altitude. Where most satellites live including the ISS (~420 km), Starlink (~550 km), and Earth observation. Orbital period roughly 90 minutes.
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