USA 74

21799
Spacetrack Directory Number
1991-11-08
Orbit launches
1065.53 km
Average height
26355.69 km/h
Average velocity


Satellite information USA 74

Spacetrack Directory Name USA 74
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Orbit launches 1991-11-08 (34 years ago)
Days in orbit 12712
Country/organisation of origin USA (US)
Starting point AFWTR (Vandenberg Air Force Base, USA)
Perigee 469 km
Apogee 1738 km
Orbit slope (inclination) 63.3°
Laps per day 14
Height USA 74 1065.53 km

Additional information USA 74

USA 74, 21799 is an American payload satellite in LEO that was launched on Fri, 08 Nov 1991 UTC via a TITAN 403A 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 USA 74 Date of exalting 08.11.1991y. Average height of ISS USA 74 hundred 1065.53 km. Average velocity USA 74 is 26355.69 km/h. Inclination USA 74 satellite 63.3°.

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Average orbit height USA 74

Average velocity USA 74

Average inclination USA 74

Mean right ascension of the ascending node (RAAN) USA 74

Mean argument of perigee USA 74

Mean semi-major axis of the orbit USA 74

Mean orbital eccentricity USA 74

Update time: 2026-08-27 19:50:21
Average height of ISS USA 74 is: 1065.53km
Average velocity USA 74 is: 26355.69km/h
Average orbit height USA 74 is: 63.3°
USA 74 a new group of Starlink satellites has been launched 1991-11-08
USA 74 is from 12712 days Days in orbit.