EXPLORER 40 (INJUN-5)
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About This Satellite
EXPLORER 40 (INJUN-5) is a cataloged satellite tracked under NORAD ID 3338 with international designator 68066B. According to the GCAT master catalog, it was built by UIA, on the Injun E platform, with a launch mass of about 70 kg, with a shape described as Hex Cyl + 5 Ant. According to the TLE snapshot used when this page was generated (2026-08-18), its MEO orbit had an apogee of about 2.483 km and a perigee near 686 km, with an inclination of 80.66° and a period of roughly 117.7 minutes; at apogee its speed was about 6.32 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 40 (INJUN-5)'s apogee was 2.483 km, where its speed was about 6.32 km/s, completing about 12.2 orbits of Earth per day. Track it live on the map above or in the JOT orbital map.