EXPLORER 31 (ISIS-X)

1806
Spacetrack Directory Number
1965-11-29
Orbit launches
1737.47 km
Average height
25235 km/h
Average velocity


Satellite information EXPLORER 31 (ISIS-X)

Spacetrack Directory Name EXPLORER 31 (ISIS-X)
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Orbit launches 1965-11-29 (60 years ago)
Days in orbit 22193
Country/organisation of origin USA (US)
Starting point AFWTR (Vandenberg Air Force Base, USA)
Perigee 501 km
Apogee 2810 km
Orbit slope (inclination) 79.77°
Laps per day 12
Height EXPLORER 31 (ISIS-X) 1737.47 km

Additional information EXPLORER 31 (ISIS-X)

EXPLORER 31 (ISIS-X), 1806 is a payload satellite owned by GSFC (US) in LEO that was launched on Mon, 29 Nov 1965 UTC via a THOR SLV-2 AGENA B launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

satellite EXPLORER 31 (ISIS-X) Date of exalting 29.11.1965y. Average height of ISS EXPLORER 31 (ISIS-X) hundred 1737.47 km. Average velocity EXPLORER 31 (ISIS-X) is 25235 km/h. Inclination EXPLORER 31 (ISIS-X) satellite 79.78°.

TLE



Average orbit height EXPLORER 31 (ISIS-X)

Average velocity EXPLORER 31 (ISIS-X)

Average inclination EXPLORER 31 (ISIS-X)

Mean right ascension of the ascending node (RAAN) EXPLORER 31 (ISIS-X)

Mean argument of perigee EXPLORER 31 (ISIS-X)

Mean semi-major axis of the orbit EXPLORER 31 (ISIS-X)

Mean orbital eccentricity EXPLORER 31 (ISIS-X)

Update time: 2026-09-03 19:30:19
Average height of ISS EXPLORER 31 (ISIS-X) is: 1737.47km
Average velocity EXPLORER 31 (ISIS-X) is: 25235km/h
Average orbit height EXPLORER 31 (ISIS-X) is: 79.78°
EXPLORER 31 (ISIS-X) a new group of Starlink satellites has been launched 1965-11-29
EXPLORER 31 (ISIS-X) is from 22193 days Days in orbit.