Disclaimer: Mention here of a particular software package does not in any way represent an endorsement of the product.

This page and the associated data files are made available courtesy of the IAU's Central Bureau for Astronomical Telegrams, Minor Planet Center and the ICQ.

The elements can be saved to your local machine by using your browser's `Save As' facility, ensuring that you select `Plain text' as the format for the saved document.

This page may be freely pointed-to from your own Web page but elements offered here are intended for your own personal use and must not be further distributed.

Users are warned that the magnitude parameters quoted in some of these packages are uncertain.

Please ensure you've read the note in /iau/MPCStatus.html on new downloading restrictions.

Elements are currently available for the following packages:

Information on the MPC's format is here. Information on the other formats may be located on the relevant home pages.

Data for further packages may be added when data on the proprietary formats used for the storage of orbital elements is made available by the software authors. It is recommended that new software support the MPC orbit format.

Disclaimer: CBAT/MPC reserve the right not to include data for a particular software package.

Read more:

Orbital Elements: Comets - IAU Minor Planet Center