[amsat-bb] Pre-launch TLE's for PSAT2

Pedro Converso pconver at gmail.com
Tue Jun 25 04:32:37 UTC 2019


Hello Bob,

Thanks for info on launch delay, updated keps with new time on:

http://amsat.org.ar/pass?satx=psat2

73, lu7abf, Pedro

On 6/24/19, Robert Bruninga <bruninga at usna.edu> wrote:
> Just heard of a 3 hour launch delay.
> Bob
>
> -----Original Message-----
> From: Pedro Converso <pconver at gmail.com>
> Sent: Monday, June 24, 2019 9:22 PM
> To: Robert Bruninga <bruninga at usna.edu>
> Cc: AMSAT-BB <amsat-bb at amsat.org>
> Subject: Re: [amsat-bb] Pre-launch TLE's for PSAT2
>
> Thanks Bob,
>
> For PSAT2 pre-launch Keps, using them on
>
> http://amsat.org.ar/pass?satx=psat2
>
> Trying show first orbits.
>
> Good Luck on launch !
>
> 73, lu7abf, Pedro
>
> On 6/24/19, Robert Bruninga via AMSAT-BB <amsat-bb at amsat.org> wrote:
>> PSAT2
>> 1 99999U          19176.15625000  .00001426  00000-0  27052-4 0 00004
>> 2 99999 028.4525 150.8888 0388671 088.0149 091.1931 14.93486277000010
>>
>> But when we play that forward to launch time, the satellite is about
>> 10 minutes ahead of the launch. So take it with a grain of salt.
>>
>> Our best guess is as follows.  This is delta-time from launch (planned
>> at
>> 0330z) (USNA is our ground station here in Annapolis, MD on the USA
>> East coast).
>>
>> time ∆t  location               direction
>> ---------   -----------------     ------------
>> 0:00        Launch (Fla)       E
>> 0:49        Australia             W
>> 1:13        Hawaii                  SW
>> 1:31        California            SW
>> 1:35        USNA                   SW
>> 2:33        Australia             W
>> 2:57        Hawaii                  SW
>> 3:07        California            SW
>> 3:21        USNA                   S
>> 4:31        Japan                   SE
>> 4:39        Hawaii                  W
>> 4:51        California            SW
>> 6:09        Japan                   SW
>> 6:23        Hawaii                  NW
>> 6:59        Argentina           NE
>> 7:47        Japan                   SW
>> 8:07        Hawaii                  NW
>> 8:32        Argentina           NE
>> 9:29        Japan                   SW
>> 9:51        Hawaii                  W
>> 10:19     Argentina           NW
>>
>> Bob
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