JSatTrak A free satellite program from your Mac
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JSatTrak Description

A free satellite program from your Mac JSatTrak is a free and open source satellite tracking program written in Java. JSatTrak allows you to predict the position of any satellite in real time or in the past or future. JSatTrak uses advanced SGP4/SDP4 algorithms developed by NASA/NORAD or customizable high precision solvers to propagate satellite orbits. JSatTrak also allows for easy updating of current satellite tracking data via CelesTrak.com. Here are some key features of "JSatTrak": · Real-time and non-real time tracking modes · Orbital elements for over 3,000 satellites which are easily updated · Ground stations: 800+ built in and the ability to create custom locations · Tracking tool - includes tracking angles, polar plotting, and pass predictions (visible and radar) with elevation constraints · 2D ground track display · 3D globe with streamable high resolution imagery via NASA's World Wind SDK · Capture 3D animations · Custom Satellites using a mission designer interface with solver loops to allow for modeling of maneuvers · Custom high precision propagation - 4th, 8th, and adaptive 7-8th order Runge-Kutta methods · XML saving/loading of scenarios · Command console using BeanShell · Plugin capabilities using bean shell scripts · Remote command server (and client) for sending commands to the application remotely over a TCP/IP connection · Earth Coverage Analysis (screenshot, movie) · Create movies of any window or entire app · 3D model loader and new model centered view mode (ISS example) · Full screen exclusive mode for 3D windows · Nimbus look and feel support (screenshot) for java 1.6 update 10 or greater · More 2D map images and ability to load customized maps · Added 2D Earth lights night image effect · Run script without displaying GUI · TLE data importing and user defined datasets (see the readme in data/tle_user) Requirements: · Java 1.6 or later What's New in This Release: · ECI plane grid visualization (3D · Custom Satellite node to load ephemeris from a file · Many bug fixes · Increased accuracy in coordinate system transformations · New SGP4 Propagator based on the Center for Space Standards & Innovation (CSSI) version · 3D sun shading effects (World Wind) · More 3D view options · Coordinate system selection for the satellite information dialog (J2000, TEME, MOD, OD · Relicenced under LGPL v3 · Saved files use zip compression resulting in significantly smaller file sizes

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