Re: Trajectories for Cosmos 2428 objects

From: David Anderman (davida@cwo.com)
Date: Sat Jun 30 2007 - 21:19:39 EDT


I presume this refers to the normal 3, 4 or 5 
pieces of debris associated with Zenit launches.

DWA


At 05:58 PM 6/30/2007, Daniel Deak wrote:
>Hi,
>
>By using the latest TLEs available for the 5 objects related to the Cosmos
>2428 launch, I reconstructed their orbits from launch and was able to
>visualise the release of the 3 debris objects into a higher orbit near
>satellite separation by using the SatSpy software. I've created the
>following 5 images that show all five together after launch and then the 3
>debris grouped in a higher orbit. They soon get apart from each other. A
>nice demonstration of orbital mechanics (all views are normal to the orbital
>plane with satellites moving counterclockwise) :
>June 29, 10:12 UTC
>http://www.obsat.com/images/C2428-1.gif
>June 29, 10:45 UTC
>http://www.obsat.com/images/C2428-2.gif
>June 29, 11:53 UTC
>http://www.obsat.com/images/C2428-3.gif
>June 30, 10:00 UTC
>http://www.obsat.com/images/C2428-4.gif
>Same image zoomed on the 3 debris
>http://www.obsat.com/images/C2428-5.gif
>
>
>Daniel Deak
>Webmestre, site Obsat
>Pompier, municipalite de L'Avenir, Quebec
>
>COSPAR site 1747 : 45.7275N, 72.3526W, 191 m., UTC-4:00
>
>Site en francais sur les satellites:
>French-language satellite web site : http://www.obsat.com
>
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