NAVSTAR 80 (USA 309)
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About This Satellite
USA-309, launched in June 2021, is a GPS Block III satellite featuring enhanced signals and better anti-jam capability.
NAVSTAR 80 (USA 309) is a cataloged satellite tracked under NORAD ID 46826 with international designator 20078A. According to the GCAT master catalog, it was built by LMSSD, on the A2100 platform, with a launch mass of about 4400 kg, with a shape described as Box + 2 pan. According to the TLE snapshot used when this page was generated (2026-08-18), its MEO orbit had an apogee of about 20.390 km and a perigee near 19.989 km, with an inclination of 53.97° and a period of roughly 718 minutes; at apogee its speed was about 3.84 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, NAVSTAR 80 (USA 309)'s apogee was 20.390 km, where its speed was about 3.84 km/s, completing about 2.0 orbits of Earth per day. Track it live on the map above or in the JOT orbital map.