USA 55

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10-day predictions
USA 55 is classified as:

• Military

NORAD ID: 20547
Int'l Code: 1990-028B
Perigee: 437.6 km
Apogee: 540.3 km
Inclination: 94.1 °
Period: 94.2 minutes
Semi major axis: 6859 km
RCS: 0.1768 m² (medium)
Launch date: April 5, 1990
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

Your satellite tracking list

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1 20547U 90028B   23084.84748947  .00006059  00000-0  20502-3 0  9997
2 20547  94.1026 206.1277 0074908 298.2932  61.0770 15.27994086820901

Source of the keplerian elements: AFSPC