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JSatTrak - Java Satellite Tracker by Shawn Gano. By: Shawn Gano JSatTrak is a Satellite tracking program written in Java.

JSatTrak - Java Satellite Tracker by Shawn Gano

It allows you to predict the position of any satellite in real time or in the past or future. It uses advanced SGP4/SDP4 algorithms developed by NASA/NORAD or customizable high precision solvers to propagate satellite orbits. The program also allows for easy updating of current satellite tracking data via We Choose the Moon: Celebrating the 40th Anniversary of the Apollo 11 Lunar Landing. Sky Chart. Recent scenes from the ISS. Photopic Sky Survey.