Tracking 18980 objects as of 19-Feb-2018
HD Live streaming from Space Station
objects crossing your sky now

USA 55

Track USA 55 now!
10-day predictions
USA 55 is classified as:


NORAD ID: 20547
Int'l Code: 1990-028B
Perigee: 441.3 km
Apogee: 559.7 km
Inclination: 94.1 °
Period: 94.5 minutes
Semi major axis: 6871 km
RCS: 0.1768 m2 (medium)
Launch date: April 5, 1990
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)
aabbcc
Your satellite tracking list
Your tracking list is empty




NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 20547U 90028B   18049.55850859 +.00000328 +00000-0 +12907-4 0  9990
2 20547 094.0981 264.1922 0086183 061.2177 299.7689 15.24133653537241
Source of the keplerian elements: AFSPC