Here's everything we know about the secretive spy satellite launching tonight

Sep 30, 2020
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From https://www.gps.gov/systems/gps/space/: "GPS satellites fly in medium Earth orbit (MEO) at an altitude of approximately 20,200 km (12,550 miles). Each satellite circles the Earth twice a day."

NOT as stated in article: "To remain stationary relative to the spinning planet below, a satellite must orbit about 22,000 miles (36,000 kilometers) above Earth — 9.2% of the way to the moon. GPS satellites orbit at that altitude."
 

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