Re: Dual Iridiums

From: Bjoern Gimle (
Date: Sun Mar 26 2000 - 22:24:14 PST

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    Each orbital plane (ideally) has eleven Iridiums evenly spaced, making
    14.34216 orbits/day, and two spares at 14.54 orbits (missing in some
    planes - failures in higher/lower orbits)
    Thus in one day each of the latter make 0.20 additional orbits, (more than)
    catching up with two of the operational ones spaced 0.09 orbits
    > What a site!  Both Iridium 51 and 37 were right on time early this am,
    less than
    > a minute apart.  Didn't see flares but was observing thru tall trees and
    > be certain.  A thrilling experience.
    > did this happen to occur and is this a common placement?
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