RE: tandem satellites

From: Ted Molczan (
Date: Thu Aug 03 2006 - 04:11:37 EDT

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    Kevin Lawrence reported:
    > I was using Heavens-Above predictions to casually
    > observe satellite passages on July 31, 2006 just after
    > dusk. My location is Murfreesboro, TN, Lat. 35.846,
    > Long. -86.390 in the Central time zone. I saw Cosmos
    > 1980 at 21:09, Cosmos 1220 at 21:10, and Lacrosse 3 at
    > 21:14 (which gave a bright glint). All were on a very
    > similar track, N to S through Cygnus. Then at 21:18 I
    > saw a pair of satellites moving in tandem along nearly
    > the same path as the previous satellites. The two
    > satellites were separated by about 5 degrees of arc
    > with a magnitude of 4 or 4.5, passing a little closer
    > to the zenith toward Lyra. There was nothing in the
    > heavens-above predictions for them. Can anyone help me
    > identify this satellite pair?
    Welcome to SeeSat-L, Kevin.
    A pair of Iridiums may be a match. Try running predictions on 99032A / 25777 and
    98021F / 25290. Normally, non-flaring Iridium's are closer to mag 6, but mag 4
    is not impossible.
    Ted Molczan
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