Re: 3 x unidentified in close, loose triangle formation at time of ISS and ATV-5 pass

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Wed, 13 Aug 2014 07:28:12 +0200
Hi Wes,

Or you saw the newly launched Yaogan-20 satellites.

Leo


-----Oorspronkelijk bericht----- 
From: Scott Tilley via Seesat-l
Sent: Tuesday, August 12, 2014 1:32 AM
To: seesat-l_at_satobs.org
Subject: Re: 3 x unidentified in close, loose triangle formation at time of 
ISS and ATV-5 pass

Hi Wes

This would be either Yaogan 9 or Yaogan 16.  Chinese NOSS triplets, all
US triplets are no longer in formation.  They're in a fairly high LEO
orbit hence why they moved slower than the ISS.

Use Heavensat and download the latest Space Track TLEs to confirm which
one you saw.

BTW - I imaged Yaogan 9 just last night.

Regards,
Scott Tilley


On 14-08-11 03:28 PM, Les West via Seesat-l wrote:
> Monday 11th August 2014 22.09 UTC  (23.09 GMT+1 local)
>
> 52.6963N 1.2456E  (Horsford, Norfolk, England, UK)
>
>
> W to SW (before they winked out) very bright ISS pass, followed just a 
> couple of minutes later by ATV-5 on the same track.
>
> At the same time briefly, to the S of the Summer Triangle, 3 x 
> unidentified satellites in a close, loose triangle of their own were 
> rising from the SSW.  I only got to see them briefly before they winked 
> out.  They appeared to be moving slightly slower than ISS but were not 
> much less bright than Altair, which they were close to.
>
> Any ideas people?  Heavens-above doesn't appear to offer any suggestions.
>
>
> Thank you & kind regards
>
>
> Les West
>
> leswest_at_hotmail.co.uk
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Received on Wed Aug 13 2014 - 00:29:08 UTC

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