XEphem

XEphem is one of the best astronomy software on the internet, very accurate an useful.

Datafiles I created some data files for asteroids an comets for everybody (who needs them) to download.

• Jupiter trojans (updated 2nd of october 2011); 5000 objects;
• Transneptunians (updated 2nd of october 2011); 1127 objects;
• Centaurs and scattered objects (updated 2nd of october 2011); 321 objects;
• Amors (updated 5th of october 2011); 3440 objects;
• Atens (updated 5th of october 2011); 674 objects;
• Apollos (updated 5th of october 2011); 4094 objects;
• Hildas (updated 7th of october 2011); export from JPL Solar System Dynamics  with 3.7 < a < 4.2, e > .07, i < 20 parameters); 3519 objects;
• 73/P fragments (updated 7th of october 2011); export from MPC; 66 objects.

Animations - Below you can find some animations created with XEphem

Halley passing close in may 1910. Created with XEphem

 

Jupiter trojans - 1 nov 2011. The animation includes 5000 objects. Animation: XEphem