I need to find the access/contact times for a satellite passing through a random geofence (polygon). Is there a python library or any code to integrate the geofence to the orbit of the satellite to know: time, lat, long, duration of contact?
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To directly integrate a Geofence polygon I'm not sure, but MAYBE Skifield could work?? Depending on how detailed you need it to be.
It has a EarthSatellite object that is initialized using TLEs and a find_event method that returns all the instants a satellite starts or ends passes over a given point during a specified time range. You just need to specify a point on the ground using latitude and longitude, minimum inclination, and the initial and final time of the time range. EarthSatellite
You could use this for all the vertices of the polygon and even intermediate points based on the resolution you need, and create a couple of functions that use the passes information to obtain all the data you need.
