NAVSTAR 20 (USA 63)

20724
Spacetrack Directory Number
1990-08-02
Orbit launches
21440.2 km
Average height
13628.97 km/h
Average velocity


Satellite information NAVSTAR 20 (USA 63) - GPS BII-08, SVN 21

Spacetrack Directory Name NAVSTAR 20 (USA 63)
Alternative name GPS BII-08, SVN 21
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Orbit launches 1990-08-02 (36 years ago)
Days in orbit 13186
Country/organisation of origin USA (US)
Starting point AFETR (Kennedy Space Center/Cape Canaveral, USA)
Perigee 21326 km
Apogee 21541 km
Orbit slope (inclination) 55°
Laps per day 2
Height NAVSTAR 20 (USA 63) 21440.2 km

Additional information NAVSTAR 20 (USA 63)

NAVSTAR 20 (USA 63), 20724 is a payload satellite owned by USAF SSD (US) in MEO that was launched on Thu, 02 Aug 1990 UTC via a DELTA 6925 launch vehicle from the Air Force Eastern Test Range (AFETR). 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 NAVSTAR 20 (USA 63) Date of exalting 02.08.1990y. Average height of ISS NAVSTAR 20 (USA 63) hundred 21440.2 km. Average velocity NAVSTAR 20 (USA 63) is 13628.97 km/h. Inclination NAVSTAR 20 (USA 63) satellite 54.99°.

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Average orbit height NAVSTAR 20 (USA 63)

Average velocity NAVSTAR 20 (USA 63)

Average inclination NAVSTAR 20 (USA 63)

Mean right ascension of the ascending node (RAAN) NAVSTAR 20 (USA 63)

Mean argument of perigee NAVSTAR 20 (USA 63)

Mean semi-major axis of the orbit NAVSTAR 20 (USA 63)

Mean orbital eccentricity NAVSTAR 20 (USA 63)

Update time: 2026-09-07 19:50:20
Average height of ISS NAVSTAR 20 (USA 63) is: 21440.2km
Average velocity NAVSTAR 20 (USA 63) is: 13628.97km/h
Average orbit height NAVSTAR 20 (USA 63) is: 54.99°
NAVSTAR 20 (USA 63) a new group of Starlink satellites has been launched 1990-08-02
NAVSTAR 20 (USA 63) is from 13186 days Days in orbit.