Re: DRAGON CRS-11 elements

From: Marco Langbroek via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 1 Jun 2017 15:41:36 +0200
Typo in mij mail text only, should be 21:55 UT. 

- Marco

Verstuurd vanaf mijn iPad

> Op 1 jun. 2017 om 14:23 heeft Leo Barhorst via Seesat-l <seesat-l_at_satobs.org> het volgende geschreven:
> 
> Marco and list,
> 
> According to several websites the launch of CRS-11 is at 21:55 UT not 22:15
> UT.
> i hour earlier is 0.416666666 day.
> So the correct epoch should be 171552.88640668
> 
> Shadow entry time looks OK and based on a 21:55 launch.
> 
> Hopefully the weather co-operates this night.
> 
> Greetings
> Leo
> 
> 
> 2017-06-01 13:20 GMT+02:00 Marco Langbroek via Seesat-l <seesat-l_at_satobs.org
>> :
> 
>> 
>> Hi all,
>> 
>> I have posted this elset before on the list a while ago, but a repeat as
>> that
>> was a while ago and launch is now imminent.
>> 
>> This evening at 22:55 UT, all going well, SpaceX will launch the DRAGON
>> CRS-11
>> supply ship to the ISS.
>> 
>> 20 minutes later, the Dragon, Falcon 9 r/b and two ejected solar covers
>> will be
>> visible over Europe.
>> 
>> Here is an estimate of the orbit of CRS-11 on this pass, based on launch at
>> 22:55:00 UT (June 1):
>> 
>> 
>> DRAGON CRS-11
>> 1 72000U 17000A   17152.92807335 0.00000000  00000-0  00000+0 0    02
>> 2 72000  51.6320 114.8208 0115859  44.2692  54.5468 15.98180622    02
>> 
>> Shadow entry nominally is near 22:17:30 UT, but this depends on how
>> accurate the
>> altitudes from the elset above are, so beware.
>> 
>> - Marco
>> 
>> 
>> -----
>> Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
>> e-mail: sattrackcam_at_langbroek.org
>> 
>> Cospar 4353 (Leiden):     52.15412 N, 4.49081 E (WGS84), +0 m ASL
>> Cospar 4355 (Cronesteyn): 52.13878 N, 4.49937 E (WGS84), -2 m ASL
>> Station (b)log: http://sattrackcam.blogspot.com
>> Twitter: _at_Marco_Langbroek
>> -----
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Received on Thu Jun 01 2017 - 08:42:20 UTC

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