• Preparing MPCs (Info)

  • Ephemerides and Orbital Elements

    If you are looking for ephemerides and/or elements for specific objects, use the Minor Planet (& Comet) Ephemeris Service or the Natural Satellites Ephemeris Service.

    This page lists links to preprepared ephemerides and orbital elements for currently-observable objects of the following classes:

    Also available are orbital elements in formats suitable for loading into a variety of planetarium-type computer programs.