Re: Starry Night Pro question

Jim Stamm wrote: 
In article <f9vce.8252$ai7.198965@xxxxxxxxxxxxxx>,
"Carsten A. Arnholm" <arnholm@xxxxxxxxxx> wrote:

Is it possible to use that program to predict artificial earth
satellites passing in front of the Sun?


Yes.  Use your graph with ISS selected, and center the sun in the
window below.  Turn on the orbit for ISS, and watch the intersections
of the
ISS and sun on the graph, and look for the orbit line to get close to
the sun.  Then step the time until ISS is closest to the sun, and
determine how far you need to go to get into the "path."

-Jim 

Thanks Jim, but

- I wasn't thinking of ISS in particular, I was interested in *any* satellite transiting the Sun, although I am of course aware of the fact that other satellites are much smaller and will not be easy to detect.

- I am at 60 degrees north, and I am not sure if the ISS ever transits the Sun as seen from this latitude? I tried what you suggested, but somehow the graph window doesn't show me anything. I must be doing something wrong.

- The original problem "Here's a bunch of satellite TLEs, which satellite(s) passes in front of the Sun the next few days as seen from my backyard, and when?" remains. It looks like I need to write my own software to do it?

Clear skies
Carsten A. Arnholm
http://arnholm.org/
N59.776 E10.457




.

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