CSS (MENGTIAN)
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About This Satellite
CSS (MENGTIAN) is a cataloged satellite tracked under NORAD ID 54216 with international designator 22143A. According to the GCAT master catalog, it was built by CAST, on the Tianhe platform, with a launch mass of about 23000 kg, with a shape described as Step Cyl + 2 Pan. According to the TLE snapshot used when this page was generated (2026-08-18), its LEO orbit had an apogee of about 399 km and a perigee near 396 km, with an inclination of 41.47° and a period of roughly 92.4 minutes; at apogee its speed was about 7.67 km/s. Positions on this page are near-real-time SGP4 predictions propagated from the latest two-line element (TLE) data.
In the TLE snapshot used to generate this page, CSS (MENGTIAN)'s apogee was 399 km, where its speed was about 7.67 km/s, completing about 15.6 orbits of Earth per day. Track it live on the map above or in the JOT orbital map.