Satscape uses the SGP4 calculation model, which is highly accurate, even when the keplerian elements are old. It will continue to be donationware until further notice, and you may use the full program without any restrictions forever.
If you experience problems getting this program read the help section and
try to use FlashGet or ID Manager. Read our Guide.
Support for Satscape is available from the developer or publisher site.
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If you experience problems getting this program read the 
