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ATLAS 28E R/B

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NORAD ID: 20563
Int'l Code: 1990-031D
Perigee: 601.3 km
Apogee: 691.0 km
Inclination: 89.8 °
Period: 97.5 minutes
Semi major axis: 7017 km
RCS: Unknown
Launch date: April 11, 1990
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

Note: This is a ROCKET BODY
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 20563U 90031D   24124.70213012  .00001821  00000-0  24796-3 0  9991
2 20563  89.8491 270.1083 0063932  67.5571 293.2405 14.76937676256084
Source of the keplerian elements: AFSPC