If you're on Earth, you can assume that the satellite is closer than 30000 km or...

		p1mrx on Sept 28, 2017 \| parent \| context \| favorite \| on: Ntpd won't save you from one particular rogue bit If you're on Earth, you can assume that the satellite is closer than 30000 km or so. Light takes 0.1s to cross that distance.