Re: formation flying Tiangong 2 16-57A/41765 with ?

From: Scott Tilley via Seesat-l <seesat-l_at_satobs.org>
Date: Sat, 8 Apr 2017 14:46:37 -0700
Modelling 41868 and 41765 back and forth in time shows that this passing 
is likely just a coincidence of their similar orbits.

s


On 4/8/2017 2:42 PM, Scott Tilley via Seesat-l wrote:
> I did transpose the COSPAR id though,  2016-061G is correct.  The 
> NORAD id is correct.
>
>
> On 4/8/2017 2:28 PM, Scott Tilley via Seesat-l wrote:
>> Spacetrack TLE for 'SHENZHOU-11 MODULE' has epoch date of 
>> 17097.79374019 for object 41868, 16-016G as I noted.  I made no 
>> claims it was anything but that listed in Spacetrack database and 
>> this object is placed as the observer reported.  Check for yourself.
>>
>> s
>>
>>
>> On 4/8/2017 2:13 PM, Erkenswick, Tom M. (JSC-CM341) via Seesat-l wrote:
>>> Shenzhou-11 undocked and landed back in November 2016, so it's not 
>>> that.
>>>
>>> I see no words in the English-language Chinese press to indicate 
>>> that Tianzhou-1 was launched.  And the Chinese have been pretty 
>>> non-secretive with their human spaceflight launches and events for 
>>> several years, including live launch feeds.
>>>
>>> Maybe it's the Banxing-2 microsat that they released in October 
>>> while Shenzhou-11 was docked, the one that took images of the 
>>> Tiangong+Shenzhou stack?
>>>
>>> Tom
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Seesat-l 
>>> [mailto:seesat-l-bounces+tom.m.erkenswick=nasa.gov_at_satobs.org] On 
>>> Behalf Of Scott Tilley via Seesat-l
>>> Sent: Saturday, April 08, 2017 3:26 PM
>>> To: seesat-l_at_satobs.org
>>> Subject: Re: formation flying Tiangong 2 16-57A/41765 with ?
>>>
>>> This would be Shenzhou-11 Module, 41868, 16-016G. Object is shows up 
>>> in today's spacetrack data.
>>>
>>> s
>>>
>>>
>>> On 4/8/2017 12:53 PM, Tristan Cools via Seesat-l wrote:
>>>> Hi all,
>>>>
>>>> Only the second time I observed the Chinese Space station as I get
>>>> only low passes here over Belgium, but what a surprise; another
>>>> object was flying synchronous some 2deg SE of it. Brightness about
>>>> mag +1 and the other object maybe +3.  Observation time 19:36UTC.
>>>>
>>>> Can somebody confirm this or is there any news ?
>>>>
>>>> I took some pictures of it, but with allmost full moon I would be
>>>> surprised if I could catch the two objects.
>>>>
>>>> gr, tristan cools
>>>> Belgian Working Group Satellites/BWGS
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Received on Sat Apr 08 2017 - 16:47:02 UTC

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