RE: Unknown satellite

From: Ted Molczan (
Date: Sun Mar 23 2008 - 20:19:07 UTC

  • Next message: Francisco Ocaña: "Re: Unknown satellite"

    Francisco Ocaña wrote:
    > Hello list!
    > While observing a -5 Iridium Flare (at 20:02 from Madrid, 
    > Spain) I have seen a object of similar speed and brightness 
    > (-2/-3) in the same field, but just in almost an opposite 
    > direction ( a 150º angle). I have no more references because 
    > both appeared between clouds. I have no idea which object may 
    > be ( not ATV, ISS passes so too brigth, not in a Iridium 
    > plane...). Any ideas?
    IRS-1B (91061A / 21688) is a good match.
    Heaven's Above shows them closest near 20:02:58 local time (19:02:58 UTC), about
    12 s after the peak of the Iridium flare:
    Ted Molczan
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