Re: Space-X Transporter-2 chain pass over UK on fourth orbit

From: Bob Christy via Seesat-l <seesat-l_at_satobs.org>
Date: Sat, 21 Aug 2021 08:24:29 +0000
You might find that the element set for object 48942 fits your need (ignore the rev number).

Only a single elset was published for this item.

Robert Christy

> On 21 Aug 2021, at 07:44, Andreas Hornig via Seesat-l <seesat-l_at_satobs.org> wrote:
> 
> Hi there,
> 
> I took the object "1258" of my video[0] and got this TLE:
> 
> 1 00000U OrbDet   21182.06166389  .00000000  00000-0  00000+0 0    05
> 2 00000  97.5008 310.8209 0078575  96.1633 313.6689 14.97334383    05
> 
> Can anybody point me to an early tle of the transporter 2 mission or one of
> its satellites or maybe you have some cospar IDs then I will try to look
> myself?
> I would like to compare it.
> 
> For Transporter1 and its satellites I remember early TLEs but for
> Transporter2 I don't. If there was also such a set and someone of you have
> it, it would be great to get them. :)
> 
> Or what CosparID would you take that is in open TLE archives that could be
> closest? Like the Falcon9 upper stage or one of the bigger satellites out
> of the released 88 satellites.
> 
> [0] https://www.youtube.com/watch?v=jV9u9WspsI4&t=75s
> 
> Best regards,
> 
> 
> Andreas
> 
>> On Mon, Aug 16, 2021 at 9:55 PM Andreas Hornig <
>> andreas.hornig_at_aerospaceresearch.net> wrote:
>> 
>> Hi all,
>> 
>> I changed my algo to make it faster (it is still slow :D).
>> I also added an additional criterion for when a starlike object should be
>> considered a detected satellite. Now the red box indicates the initial
>> contact. When it is re-found in the next frame, it gets a yellow box. When
>> it is refound in at least 25 consecutive frames it turns green as long as
>> it can be found.
>> 
>> https://www.youtube.com/watch?v=jV9u9WspsI4
>> 
>> I will now add more information of what I did in my blog[0] but this will
>> take me some time. For now I wanna extract the pixel coordinates from a few
>> good satellites and get the Ra/Dec coordinates from the pixel track the
>> satellite did.
>> 
>> In the meantime, I do not know how to make my code faster, but I already
>> put it in our repo as it is now. I will clean that up also. But if you have
>> an idea how to tweak it, it would be very much appreciated.
>> 
>> Best regards,
>> 
>> 
>> Andreas
>> 
>> [0] https://aerospaceresearch.net/?page_id=2310
>> 
> _______________________________________________
> Seesat-l mailing list
> http://mailman.satobs.org/mailman/listinfo/seesat-l


_______________________________________________
Seesat-l mailing list
http://mailman.satobs.org/mailman/listinfo/seesat-l
Received on Sat Aug 21 2021 - 03:25:07 UTC

This archive was generated by hypermail 2.4.0 : Sat Aug 21 2021 - 08:25:07 UTC