Re: Zenit RB decay observed ?

From: Alan Pickup (
Date: Sat Oct 14 2000 - 11:57:33 PDT

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    I said...
    >... At such a height, the horizon
    >is depressed below the horizontal by almost exactly 3 degrees - or put
    >another way, the horizon is at an angular zenith distance of 93 degrees.
    >At a range of 856 km and a height of 87 degrees, I get a zenith distance
    >for the object of 88.7 degrees (observer at 33,000 ft), corresponding to
    >an angle above the apparent horizon of 4.3 degrees.
    Oops, I meant to say "At a range of 856 km and a height of 87 km", not 87
    degrees! Thanks to Russell Eberst for spotting that one.
    Alan Pickup / COSPAR 2707:  55d53m48.7s N   3d11m51.2s W      156m asl
    Edinburgh  / SatEvo & elsets:
    Scotland  / Decay Watch:
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    This archive was generated by hypermail 2b29 : Sun Oct 15 2000 - 04:07:08 PDT