According to Wikipedia 'the station is maintained at an orbit between 278 km (173 mi) and 460 km (286 mi) altitude, and travels at an average speed of 27,743.8 km/h (17,239.2 mph), completing 15.7 orbits per day', apparently.
I just thought Wow! as it went over.
Can you tell what it is yet?
PW
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