MPC Submission Information

For those wishing to submit astrometric observations for publication in the Minor Planet Circulars information is available on the format of astrometric observations. Observations, formatted as described therein, should be sent to Reports for new comets should also (following the redistribution of tasks at the 2015 IAU GA) be reported to the MPC. Note that visual reports of comet discoveries should be reported to

Further technical information on Minor Planet Center submissions is available: