Re: USA 326 flyby by Kosmos 2558

From: Bob Christy via Seesat-l <seesat-l_at_satobs.org>
Date: Sun, 7 Aug 2022 11:04:36 +0000
Hi Marco

Until such time as one of them adjusts its orbit, the two satellites' orbital periods mean that Cosmos 2558 passes directly below USA 326 at 60-70 km distance every 76.5 revs (75.5 revs for USA 326).

Regards

Robert Christy

> On 6 Aug 2022, at 18:38, Marco Langbroek via Seesat-l <seesat-l_at_satobs.org> wrote:
> 
> 
> Hi all,
> 
> I did an analysis of the flyby of USA 326 by the Russian Kosmos 2558 satellite, a suspected 'inspector' satellite, that happened on 4 August 2022.
> 
> I find a close approach to ~67 km, most of it (~64 km) in altitude, near 14:16:27 UTC on August 4. It happened in daylight on a southbound trajectory over the Mid Atlantic, near approximately 42.3 N, 25.9 W
> 
> More:
> 
> https://sattrackcam.blogspot.com/2022/08/the-flyby-of-usa-326-by-kosmos-2558-on.html
> 
> - Marco
> 
> 
> -----
> Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
> e-mail: sattrackcam_at_langbroek.org
> 
> launchtower:    http://launchtower.langbroek.org
> Station (b)log: http://sattrackcam.blogspot.com
> Twitter:        _at_Marco_Langbroek
> -----
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Received on Sun Aug 07 2022 - 06:05:20 UTC

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