NAVSTAR 18 (USA 50)

20452
Spacetrack Directory Number
1990-01-24
Orbit launches
21203.85 km
Average height
13687.22 km/h
Average velocity


Satellite information NAVSTAR 18 (USA 50) - GPS BII-06, SVN 18

Spacetrack Directory Name NAVSTAR 18 (USA 50)
Alternative name GPS BII-06, SVN 18
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Orbit launches 1990-01-24 (36 years ago)
Days in orbit 13376
Country/organisation of origin USA (US)
Starting point AFETR (Kennedy Space Center/Cape Canaveral, USA)
Perigee 21161 km
Apogee 21232 km
Orbit slope (inclination) 54.88°
Laps per day 2
Height NAVSTAR 18 (USA 50) 21203.85 km

Additional information NAVSTAR 18 (USA 50)

NAVSTAR 18 (USA 50), 20452 is a payload satellite owned by USAF SSD (US) in MEO that was launched on Wed, 24 Jan 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 18 (USA 50) Date of exalting 24.01.1990y. Average height of ISS NAVSTAR 18 (USA 50) hundred 21203.85 km. Average velocity NAVSTAR 18 (USA 50) is 13687.22 km/h. Inclination NAVSTAR 18 (USA 50) satellite 54.87°.

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Average orbit height NAVSTAR 18 (USA 50)

Average velocity NAVSTAR 18 (USA 50)

Average inclination NAVSTAR 18 (USA 50)

Mean right ascension of the ascending node (RAAN) NAVSTAR 18 (USA 50)

Mean argument of perigee NAVSTAR 18 (USA 50)

Mean semi-major axis of the orbit NAVSTAR 18 (USA 50)

Mean orbital eccentricity NAVSTAR 18 (USA 50)

Update time: 2026-09-07 19:50:20
Average height of ISS NAVSTAR 18 (USA 50) is: 21203.85km
Average velocity NAVSTAR 18 (USA 50) is: 13687.22km/h
Average orbit height NAVSTAR 18 (USA 50) is: 54.87°
NAVSTAR 18 (USA 50) a new group of Starlink satellites has been launched 1990-01-24
NAVSTAR 18 (USA 50) is from 13376 days Days in orbit.