Under most circumstances, Keplerian elements should be updated every few weeks.
Acquire a new set of Keplerian Elements by downloading one or more files from the internet. We have a page with links to two good sources of elements.
Download a new Keplerian element file and save it to any convenient location on your hard drive; you can use any filename.
In the next step, we will show you how to read the new Keplerian element file with Nova for Windows.