Re: Need help to identify beautiful flashing sat (not Mayak)

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Sun, 16 Jul 2017 10:48:29 +0200
Hello Vladislav,

Using your drawing I got the following points:
99999 17 696A   9500 G 20170715201700000 17 25 1209590+332646 37 F
99999 17 696A   9500 G 20170715201800000 17 25 1333500+485923 37 F
99999 17 696A   9500 G 20170715202020000 17 25 1505150+531931 37 F
99999 17 696A   9500 G 20170715202100000 17 25 1658100+555452 37 F

9500 is a temporaly Cospar ID with your coordinates.

With satfit and both classfd.tle and catalog.tle no match was found.
The lowest residuals are still way too high.
I checked it with tle's from Jul 14th evening and from today.

Regards
Leo


2017-07-16 1:42 GMT+02:00 Vladislav Gooba via Seesat-l <seesat-l_at_satobs.org>
:

> Today when I was staring at night sky between passes of interesting sats,
> I've seen interestingly flashing satellite, but I couldn't identify what
> exactly it was so now I need help to identify it.
> My coords are 48,5266°N, 35,0180°E. All times below are in UT.
> It was July 15, 20:17 when I've seen the first flash. It was in point of
> sky
> with azimuth of 300° and height about 30°. The next flash was after 20:18
> a couple degrees below 85 UMa. I've caught the sat in my binoculars, it
> passed to the north from triangle of stars 21 Boo, 23 Boo, SAO 29046, very
> close to them. And it flashed again. I've counted seconds before next
> flash,
> which happened after 20:21 in Draco. I couldn't recall the right position
> of
> the satellite in Draco, so it's trajectory in there might be wrong. Period
> was about 40 seconds.
> I've drawn the trajectory. You can see it here:
> http://i.piccy.info/i9/ac6c901f3981a95a304c68609ed539
> f1/1500161240/151056/1162463/1.png
> Flashes were consistent in brightness, of about -2 mag. Every flash lasted
> about half of
> a second. When not flashing, satellite was changing brightness from 5 to
> 3.5 magnitude.
> I've checked Heavensat with today's databases but couldn't find anything
> nearly fitting.
> Any ideas?
>
> Sincerely,
> Vlad
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Received on Sun Jul 16 2017 - 03:49:19 UTC

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