Quote:
Originally Posted by scagman
So therefore if Mars has a Solar Year of 686.98 Earth Solar Days it would move 360deg/686.98 = 1.908278 deg so should have to spin 1.91 deg more to complete a Martian solar day.
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It looks like that's your problem John. 360/686.98 is 0.524032722 so you need to add 2.150542777 minutes or 2' 9"