Re: Two Iridium flares right next to each other

From: Rod Sladen (
Date: Fri Jan 11 2002 - 12:11:21 EST

  • Next message: Ted Molczan: "The Clear Sky Clock"

    I wrote:
    > But most of the spares are in orbits around 68km. below 
    > the operational sateliites, and thus "lap" the 
    > operational satellites roughly every 11 days.
    Just to avoid confusion, satellites, such as Iridium 82, 
    in the spare orbit (around 711 x 708km) will lap the 
    operational satellites (at around 779 x 775 km) in just 
    under every 5 days.
    Satellites in the "engineering orbit" (around 750 x 747km),
    such as Iridium 51, will lap the operational satellites in 
    just over 11 days.
    Rod Sladen
    Beeston, Nottinghamshire, UK
    52.923N, 1.219W
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