Re: New X-37B OTV 6 elset estimates for launch tomorrow

From: Nico Janssen via Seesat-l <seesat-l_at_satobs.org>
Date: Sat, 16 May 2020 19:21:27 +0200
It is interesting to see that both launch windows today and also
tomorrow's launch window are timed such that KH 11 USA 290
passes OTV 6 within 100 km on a later orbit. If OTV 6 launches
at 13:14 UTC tomorrow, USA 290 will pass OTV 6 tomorrow at
22:54:50 UTC at a distance of 73 km. This is based on Marco's
estimated TLEs.

So Bob Christy's theory about close encounters between OTV 6
and a KH 11 appears to be correct, but it concerns another KH 11.

NJ

On 16-05-2020 16:29, Marco Langbroek via Seesat-l wrote:
> After several resets of the countdown clock, the launch of the X-37B mission OTV
> 6 has been scrubbed for today.
>
> Next launch attempt is tomorrow. Below two estimated elsets are for the start
> and end of the first of two 10-minute windows:
>
>
> OTV 6                                          launch 17 May 13:14 UT
> 1 70000U 20999A   20138.55138888  .00000000  00000-0  00000-0 0    09
> 2 70000 044.0000 321.1126 0007426 053.7602 324.3170 15.71363518    05
>
> OTV 6                                          launch 17 May 13:24 UT
> 1 70001U 20999A   20138.55833333  .00000000  00000-0  00000-0 0    07
> 2 70001 044.0000 323.6194 0007426 053.7602 324.3170 15.71363518    08
>
> - Marco
>
>
>
> -----
> Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
> e-mail: sattrackcam_at_langbroek.org
>
> Station (b)log: http://sattrackcam.blogspot.com
> Twitter: _at_Marco_Langbroek
> -----
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Received on Sat May 16 2020 - 12:22:28 UTC

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