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: 859.8 km
Apogee: 1,003.9 km
Inclination: 79.9 °
Period: 103.5 minutes
Semi major axis: 7302 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   870U 64051A   19198.40549169  .00000018  00000-0  69891-5 0  9994
2   870  79.8985 146.5593 0098651  80.0192 281.2080 13.91131581782534

Source of the keplerian elements: AFSPC