Re: Centaur tumble(2007-27B/31702)

Ok, thanks Alain and Leo, that confirmes what I saw.

gr, tristan



2017-04-04 9:27 GMT+02:00 Alain Figer <alain.figer_at_gmail.com>:

> Hello,
>
> From the russian site astroguard.ru and Leo observations, it appears the
> rotation period of 2007-027B must be near (or slightly more than) 26 s,and
> the photometric period  13 s. There can be some additional flashes, as
> already noted by Leo and myself.
>
> See a history of periods at :
>
> http://astroguard.ru/satellites/1370
>
> Leo recent postings do confirm the photometric period has remained near 13
> s .
>
> Regards
>
> Alain Figer
> SW suburbs of Paris.
>
>
>
> 2017-04-04 8:52 GMT+02:00 Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>:
>
>> Tristan,
>>
>> See my postings of observations.
>> Have imaged this rocket frequently; als last night.
>> The rocket is tumbling wit primary max (flash) about every 13 sec.
>> Sometimes some secondary max at about 9 sec from the 1st primary.
>>
>> Regards
>> Leo
>>
>>
>> 2017-04-03 22:46 GMT+02:00 Tristan Cools via Seesat-l <
>> seesat-l_at_satobs.org>:
>>
>> > Hi,
>> >
>> > Has someone recently oberved 2007-27B/31702, an Atlas second stage
>> Centaur
>> > rocket ?  At the time of launch it under-performed placing a NOSS duo
>> in a
>> > lower than intended orbit.  I presume there must be some fuel left over.
>> >
>> > Today I found it to be in a tumble of about 5s(sorry no exact
>> > measurements).  I wonder if this can be confirmed and if it has been
>> steady
>> > before ?
>> >
>> > greetings,
>> > Tristan Cools
>> > Belgian Working Group Satellites
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>> >
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