Re: Bright, fast satellite culminating in the S

From: Björn Gimle via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 23 Mar 2017 00:22:55 +0100
Serious error by me - I wrote 18:34, but making an elset I thought 18:24 !
Thanks Mike, I didn't see your message until after I pressed Send.

This fits nicely:
USA 179 r
1 28385U 04034B   17080.75827049 0.00074987  00000-0  73434-3 0    07
2 28385  57.4200  34.0046 3656247  83.4905 316.0274  8.22338447    09

--------------------------------------------------------
Björn Gimle, COSPAR 5919
59.2617 N, 18.6169 E, 51 m
Satellite observation formats described:
http://www.satobs.org/position/IODformat.html
---------------------------------------------------------

2017-03-23 0:15 GMT+01:00 Björn Gimle <bjorn.gimle_at_gmail.com>:

> I
>  wasn't home in time today to search for the bright fast object, but
> before going to bed I decided to compare H-A predictions with 16330 elset,
> and in HeavenSat the modified inttles.tle that I was using in my search.
>
> I am now convinced that it really was USA 179 rocket I saw Mar.21 18:24 UTC
> Both sources showed predictions some 10 degrees higher than those that I
> noted from HeavenSat yesterday. And I can't figure out the error I might
> have made to produce this error.
>
> This elset from inttles Mar.11, with Mean Anomaly increased by 210 degrees
> (i.e. decreased by 150 degrees) is a close match to my impression of the
> pass.
> Expect an error of at least + or - 1 minute/day !
>
> USA 179 Rk +210
> 1 58391U 04034B   17069.98813047 0.00054474  00000-0  63133-3 0    06
> 2 58391  57.3244  47.9462 3660075  78.1454 179.9101  8.20501929  1057
>
> From the 16330 elset, my obs was about 22 min early.
>
>
> --------------------------------------------------------
> Björn Gimle, COSPAR 5919
> 59.2617 N, 18.6169 E, 51 m
> Satellite observation formats described:
> http://www.satobs.org/position/IODformat.html
> ---------------------------------------------------------
>
> 2017-03-21 21:05 GMT+01:00 Björn Gimle <bjorn.gimle_at_gmail.com>:
>
>> At 18:34 UT 2017-03-21 while imaging to search for #28385 I saw a fast
>> satellite that appeared to have culminated in the S.
>> When I spotted it, it was close to RA 9:00 Dec +11
>> While trying to get it in the camera field I lost it, probably entering
>> shadow before Leo.
>>
>> Prediction for 28385 was to enter shadow near 7:00 +0 degrees.
>>
>>
>> --------------------------------------------------------
>> Björn Gimle, COSPAR 5919
>> 59.2617 N, 18.6169 E, 51 m
>> Satellite observation formats described:
>> http://www.satobs.org/position/IODformat.html
>> ---------------------------------------------------------
>>
>
>
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Received on Wed Mar 22 2017 - 18:23:19 UTC

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