The satellite orbit is calculated according to the ephemeris. At present, most of the Internet is written by C, and this is Java.

Filename	Size	Update
sgp4	0	2016-10-10
sgp4\SGP4test	0	2016-10-10
sgp4\SGP4test\.classpath	388	2016-10-09
sgp4\SGP4test\.project	384	2016-10-10
sgp4\SGP4test\.settings	0	2016-10-10
sgp4\SGP4test\.settings\org.eclipse.jdt.core.prefs	598	2016-10-09
sgp4\SGP4test\bin	0	2016-10-10
sgp4\SGP4test\bin\sgp4	0	2016-10-10
sgp4\SGP4test\bin\sgp4\DeepSpaceType.class	2182	2016-10-10
sgp4\SGP4test\bin\sgp4\ElsetRec.class	1045	2016-10-10
sgp4\SGP4test\bin\sgp4\NearEarthType.class	1221	2016-10-10
sgp4\SGP4test\bin\sgp4\ObjectDecayed.class	485	2016-10-10
sgp4\SGP4test\bin\sgp4\SatElset.class	26772	2016-10-10
sgp4\SGP4test\bin\sgp4\SatElsetException.class	492	2016-10-10
sgp4\SGP4test\bin\sgp4\Sgp4Data.class	3045	2016-10-10
sgp4\SGP4test\bin\sgp4\Sgp4Unit.class	58333	2016-10-10
sgp4\SGP4test\bin\sgp4\ValueOutOfRangeException.class	513	2016-10-10
sgp4\SGP4test\src	0	2016-10-10
sgp4\SGP4test\src\sgp4	0	2016-10-10
sgp4\SGP4test\src\sgp4\DeepSpaceType.java	3005	2016-10-10
sgp4\SGP4test\src\sgp4\ElsetRec.java	1299	2016-10-10
sgp4\SGP4test\src\sgp4\NearEarthType.java	1541	2016-10-10
sgp4\SGP4test\src\sgp4\ObjectDecayed.java	520	2016-10-10
sgp4\SGP4test\src\sgp4\SatElset.java	59167	2016-10-10
sgp4\SGP4test\src\sgp4\SatElsetException.java	567	2016-10-10
sgp4\SGP4test\src\sgp4\Sgp4Data.java	4528	2016-10-10
sgp4\SGP4test\src\sgp4\Sgp4Unit.java	125565	2016-10-10
sgp4\SGP4test\src\sgp4\ValueOutOfRangeException.java	591	2016-10-10
sgp4\参考网址.txt	33	2016-10-10

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