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CENTISPACE-1 S4
Chinese LEO GNSS Augmentation Satellite · Beijing Future Navigation Technology / CETC-29
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CentiSpace-1 S4, launched alongside S3 in the constellation's second research phase, contributed real orbital data proving that LEO-based navigation augmentation genuinely works — Chinese researchers later measured that adding just this satellite's signal to a standard multi-GNSS position fix cut the time needed to reach centimeter-level precision by over 17%, a meaningful improvement for applications like autonomous vehicles that can't afford to wait minutes for a precise lock.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 428–435 mi (688–700 km)
- Inclination
- 53.5°
- One orbit
- 98.5 minutes14.6 orbits a day
- NORAD ID
- 53758
- Int’l designator
- 2022-108B
- Launched
- 2022
Orbital elements from CelesTrak, as of 22 Sep 2026.
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