OAO 1
Live Position
Ground Track · Last 90 Minutes
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About This Satellite
OAO 1 is a cataloged satellite tracked under NORAD ID 2142 with international designator 66031A. According to the GCAT master catalog, it was built by GRUM, on the OAO platform, with a launch mass of about 1769 kg, with a shape described as Oct 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 788 km and a perigee near 779 km, with an inclination of 35.05° and a period of roughly 100.4 minutes; at apogee its speed was about 7.46 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, OAO 1's apogee was 788 km, where its speed was about 7.46 km/s, completing about 14.3 orbits of Earth per day. Track it live on the map above or in the JOT orbital map.