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MPCUPDATE: Last Month

The following files are available from the batch of Minor Planet Circulars dated 2009 DEC. 31 . The sizes of the files are intended only as a guide.

Orbits
- Comet orbits (51 records, 9 KB)
- Numbered minor-planet orbits (3133 records, 477 KB)
- Unnumbered multi-opposition (perturbed) minor-planet orbits (12367 records, 1884 KB)
- Perturbed one-opposition orbits (778 records, 118 KB)
- Unperturbed one-opposition minor-planet orbits (3962 records, 603 KB)
Designations/Names/Pages
- Details of new numberings (1711 records, 270 KB)
- Identifications with numbered objects (2508 records, 48 KB)
- New identifications (1036 records, 82 KB)
- Pages from the MPCs (ASCII) (168858 records, 10.9 MB)
Observations
- Comet observations (5408 records, 433 KB)
- Numbered minor-planet observations (394944 records, 30.9 MB)
  - Numbered minor-planet observations (GZIP compressed)
- Unnumbered minor-planet observations (160506 records, 12.6 MB)
  - Unnumbered minor-planet observations (GZIP compressed)
The data files listed above are available as in a single ZIP file.
Files From Current Batch

Please read our catalogue/dataset distribution policy. Information on the format of the orbits and observations is available.

MPC