GGSE 1 (GGRS)
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About This Satellite
GGSE 1 (GGRS) is a cataloged satellite tracked under NORAD ID 728 with international designator 64001B. According to the GCAT master catalog, it was built by NRL, on the NRL 20" platform, with a launch mass of about 38 kg, with a shape described as Sphere + Ant. According to the TLE snapshot used when this page was generated (2026-08-18), its LEO orbit had an apogee of about 920 km and a perigee near 897 km, with an inclination of 69.91° and a period of roughly 103 minutes; at apogee its speed was about 7.39 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, GGSE 1 (GGRS)'s apogee was 920 km, where its speed was about 7.39 km/s, completing about 14.0 orbits of Earth per day. Track it live on the map above or in the JOT orbital map.