USA 57

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10-day predictions
USA 57 is classified as:

• Military

NORAD ID: 20561
Int'l Code: 1990-031B
Perigee: 616.9 km
Apogee: 711.5 km
Inclination: 89.8 °
Period: 97.9 minutes
Semi major axis: 7035 km
RCS: Unknown
Launch date: April 11, 1990
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

Your satellite tracking list

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1 20561U 90031B   24140.43689267  .00002556  00000-0  39763-3 0  9992
2 20561  89.8399 279.5011 0067230 220.0264 139.5990 14.71257465  3530

Source of the keplerian elements: AFSPC