library/data/.

Old Comet Data

Historic comet orbital elements

This page stores some historic data for comet orbital elements. This is no longer being maintained, since current versions of SkyMap have the ability to download comet data automatically from the Internet.


The files below contain sets of comet orbital element data for SkyMap and SkyMap Pro at the dates indicated, and can be used to obtain accurate comet positions for that time period. To use these orbital elements, click on a link, and then follow the procedure described above from step 2 onwards.

Orbital elements for 2008

Orbital elements for 2007

Orbital elements for 2006

Orbital elements for 2005

Orbital elements for 2004

Orbital elements for 2003

Orbital elements for 2002

Orbital elements for 2001

Orbital elements for 2000

Orbital elements for 1999

Orbital elements for 1998

Orbital elements for 1997