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EntityQ9339405· pop 9· linked from 43 articles

Also known as Solar Radiation 1, SOLRAD/GRAB 1

U.S. solar X-ray and surveillance satellite

Wikidata facts

Mass
18
Orbital period
99.61
Image
Galactic Radiation and Background satellite 1.jpg
Show 5 more facts
UTC date of spacecraft launch
1960-06-22
Commons category
SOLRAD 1
orbital inclination
66.69
apoapsis
896
periapsis
583
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