On 10/10/2012 8:00 AM, [email protected] wrote:
[email protected]  said:
>>The satellites are in 12 hour orbits.  Everything repeats every 12 hours.
>>But the sun is on a 24 hr. period and if you did two 12 hour tests you don't
>>want to do one at night and one in day.   So start each test at the same
>>time of day let it run for 12+ hours.
>
>Thanks.
>
>After poking around a bit...
>
>That's 12 Sidereal hours rather than 12 UTC hours.
Rarther, it's 11 hours and 58 minutes UTC.

It revolves about 2x366.35 times the globe over a year. I don't remember
why they choose such an orbit, but it has its uses.

Cheers,
Magnus

Isn't that half of a sidereal day? A sidereal day being ~4 minutes shorter than UTC day...


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