Stellarium (was Re: Heavensat Program)

From: wkitty42@gmail.com
Date: Sat Jun 15 2013 - 18:11:26 UTC

  • Next message: Brad Young: "Fw: Mystery satellite!"

    NOTE: subject change since we appear to be talking about stellarium now... 
    should this also be marked OT??
    
    On 6/15/2013 13:34, Joe wrote:
    > And even tho you tell it to up date with the latest list,  it still is
    > missing a lot.
    
    latest list of what? note also that not all satellites are set to be visible 
    even though they are taking up processing time and memory space...
    
    have you added all the ones you want via the satellite management window? that's 
    on the far right tab (IIRC) where you tell it to download the lists and present 
    the satellites for you to go thru to select those you want to add to the JSON 
    file...
    
    > And there is no way to manually enter a set of 2 line elements.
    
    you have to either edit the JSON file directly by copying an existing record 
    (and don't mess up the format by leaving out a comma or putting a comma in the 
    wrong place) and changing the norad number... then you update and it should 
    place the proper TLE data in that newly created record... or you can add your 
    TLE file as an additional one in the list of files be used by stellarium...
    
    everything that can be done from within stellarium is done within the satellite 
    module's configuration/management window... anything else satellite related must 
    done directly to the JSON file while stellarium is not running... i use 
    notepad++ on windows to also ensure that i do not get the wrong end of line 
    characters in the files because that will break things, too...
    
    > Or at least I have not figured out a way.
    
    create your TLE in a TLE file using the three line format... then tell 
    stellarium to use it... there are tabs in the satellite management window that 
    you switch to for altering what files are pulled from where... you can also tell 
    it to use local files instead of downloading them from some web site... i do not 
    recall if you can use downloaded and local files at the same time, though...
    
    > Joe
    > Sig
    > The Original Rolling Ball Clock
    > Idle Tyme
    > Idle-Tyme.com
    > http://www.idle-tyme.com
    > On 6/15/2013 12:20 PM, wkitty42@gmail.com wrote:
    >> On 6/13/2013 15:56, Joe wrote:
    >>> Recomendations of other softwares?
    >> *facepalm* heavensat was one of them... i was thinking that heavensat was an
    >> online web based tool :embarrassed:
    >>
    >> stellarium is another one but stellarium is primarily an astronomy program that
    >> has had satellite tracking added in later... the current release is ok for
    >> things like this but it doesn't remove satellites from the list that are not in
    >> the TLE files any longer... it converts the selected TLEs to a JSON file... the
    >> next release is reported to automatically remove missing satellites from the
    >> JSON file... i have been quietly and unobtrusively trying to get them to forego
    >> conversion of the TLEs to their JSON format and just use them directly as every
    >> other satellite tracking program does... the size of the JSON is much larger
    >> then the raw TLEs... this is especially important when loading TLE files with
    >> 10000+ satellite entries... they can use their JSON file to store the radio
    >> frequencies and other notations and keep them synced by norad number if they
    >> want but they really do need to just use the TLEs directly... i don't know why
    >> they ever converted the TLEs to JSON in the first place... other than it is a
    >> neat new technology :? [/digression]
    >>
    >> there are a few older DOS style ones that i used to use which i can't find on my
    >> system right now :/  but it has been a long while since i used them and i may be
    >> misremembering their capabilities... i think one was written by mike mccants but
    >> i'm not sure... i'm recalling a round visual port with the star field and the
    >> track of the satellite plotted across it... it was using one of the older DOS
    >> graphics modes to draw in... uncle google might be able to point them out...
    >>
    >>>> NOTE: fixed quoting flow...
    >>>>
    >>>> On 6/13/2013 13:17, Joe wrote:
    >>>>> On 6/13/2013 11:33 AM, wkitty42@gmail.com wrote:
    >>>>>> On 6/13/2013 10:01, Joe wrote:
    >>>>>>> Is there a way to adjust the speed at when you tell it to move timewise.
    >>>>>>> to make it change rates?
    >>>>>> do you mean like instead of updating every 5 seconds, it updates every 1 second?
    >>>>> I mean like with this bird going past Saturn thing,
    >>>>>
    >>>>> If I wanted to try to see any others go by something else.
    >>>> ahhh... ok...
    >>>>
    >>>>> Say Saturn again, I set it up so the time is shortly after dusk, I
    >>>>> center Saturn in the field of view with it still rather wide say 10 degrees.
    >>>>>
    >>>>> Then hit the button to make it start moving timewise.
    >>>>>
    >>>>> Right now it is either perfectly times 1 second of time passed in the
    >>>>> program and 1 second of real time. or it is very close to 1 to 1 if is
    >>>>> is not.
    >>>> right...
    >>>>
    >>>>> What i want to do is to speed it up, like 10 times or something, so I
    >>>>> can sit and see if anything may pass close again, without having to
    >>>>> watch for hours.
    >>>> ok, yeah, you want simulated time... as someone else already mentioned, i think
    >>>> the only way currently is to stop time and then use the slider to advance it...
    >>>> then you are not limited to how long you have to watch but how much you move the
    >>>> slider... something like that, anyway...
    >>>>
    >>>> personally, this is one of the reasons why i have several satellite tracking
    >>>> programs that offer astronomical views of the sky... i can speed up time if i
    >>>> like or i can simply advance it at my pace... some are better than others and
    >>>> the ones with primary sky viewing are not as good for satellite watching but
    >>>> they are getting better... slowly but better :)
    
    
    
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