HIMAWARI 4 (GMS 4)
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About This Satellite
HIMAWARI 4 (GMS 4) is a cataloged satellite tracked under NORAD ID 20217 with international designator 89070A. According to the GCAT master catalog, it was built by NEC/HSES, on the HS-378 platform, with a launch mass of about 325 kg, with a shape described as Cyl. According to the TLE snapshot used when this page was generated (2026-08-18), its Inclined GSO orbit had an apogee of about 36.810 km and a perigee near 36.420 km, with an inclination of 14.76° and a period of roughly 1478.3 minutes; at apogee its speed was about 3.03 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, HIMAWARI 4 (GMS 4)'s apogee was 36.810 km, where its speed was about 3.03 km/s, completing about 1.0 orbits of Earth per day. Track it live on the map above or in the JOT orbital map.