EXPLORER 20

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10-day predictions
EXPLORER 20 is classified as:

• Space & Earth Science

NORAD ID: 870
Int'l Code: 1964-051A
Perigee: 859.9 km
Apogee: 1,001.5 km
Inclination: 79.9 °
Period: 103.5 minutes
Semi major axis: 7301 km
RCS: 0.5517 m² (medium)
Launch date: August 25, 1964
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

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1 00870U 64051A   24113.93594857  .00000334  00000-0  24893-3 0  9991
2 00870  79.8995  53.1091 0096918 186.5445 173.4453 13.91452616 24213

Source of the keplerian elements: AFSPC