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MPCUPDATE: Last Month

The following files are available from the batch of Minor Planet Circulars dated 2009 OCT. 4 . The sizes of the files are intended only as a guide.

Orbits
- Comet orbits (19 records, 3 KB)
- Numbered minor-planet orbits (6433 records, 980 KB)
- Unnumbered multi-opposition (perturbed) minor-planet orbits (15637 records, 2.3 MB)
- Perturbed one-opposition orbits (203 records, 30 KB)
- Unperturbed one-opposition minor-planet orbits (2527 records, 384 KB)
Designations/Names/Pages
- Details of new numberings (2927 records, 463 KB)
- New names (80 records, 12 KB)
- Identifications with numbered objects (4341 records, 84 KB)
- New identifications (1090 records, 87 KB)
- Pages from the MPCs (ASCII) (198655 records, 13.0 MB)
Observations
- Comet observations (3963 records, 317 KB)
- Numbered minor-planet observations (517475 records, 40.5 MB)
  - Numbered minor-planet observations (GZIP compressed)
- Unnumbered minor-planet observations (198529 records, 15.5 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.