EXPLORER 20
Live Position
Ground Track · Last 90 Minutes
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About This Satellite
EXPLORER 20 is a cataloged satellite tracked under NORAD ID 870 with international designator 64051A. According to the GCAT master catalog, it was built by CHAIL, on the S-48 platform, with a launch mass of about 44 kg, with a shape described as DCone + 6 Ant. According to the TLE snapshot used when this page was generated (2026-08-18), its LEO orbit had an apogee of about 1.001 km and a perigee near 858 km, with an inclination of 79.90° and a period of roughly 103.5 minutes; at apogee its speed was about 7.32 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, EXPLORER 20's apogee was 1.001 km, where its speed was about 7.32 km/s, completing about 13.9 orbits of Earth per day. Track it live on the map above or in the JOT orbital map.