Web Access to MPC Computer Services
Here are links to the MPC Computer Services on the WWW. Most of these were formerly part of the Extended Computer Service. If you experience problems in accessing any of these services, please send a full report via the Feedback Forms.- Page listing known problems with pages/scripts on this site and their resolution
- MPC Orbit (MPCORB) Database
- Recent MPECs
- MPCAT The files of orbital elements and identifications are current through the batch of Minor Planet Circulars dated 2025 JAN. 15 .
- MPCAT-OBS
The files are current through the batch of
Minor Planet Circulars
dated
2025 JAN. 15
.
- There is now the option to download observation files that are complete through the last mid-month MPS batch.
- MPCUPDATE. The files available currently are those for the batches of Minor Planet Circulars dated 2025 JAN. 15 and 2024 NOV. 15 .
- MPCArchive: allows access to the complete sets of PDF versions of the back issues of the MPCs, MPSs and MPOs.
- MPCOBS. The MPCOBS, which allowed extraction of observations of specific minor planets, comets and natural satellites, has not been ported to the new server. The link provided is to the MPC DB search interface.
- New batches are put on-line when they are completed. Normally, new batches will be on-line on or before the date of full moon, but if they are delayed (generally because of a later than normal start date), please do not send us messages asking where they are!