Asteroids and Comets

TachyonNET can calculate any kind of orbit and calculates Comets and Asteroids based on ASTORBS and

MPEC data. You can upload directly from web the most recent elements of any odd asteroid or comet.

It uses standard IAU data and have no proprietary format. You can see trails of Comets and Asteroids.

You can see Asteroid and Comet Trails. Tachyon Calculates ephemerides from orbital elements. Compare the result with Guide8 positions. Differences are related with orbital parameters.