MPCAT (CURRENT)The following minor-planet orbit files are based on the orbits published through the batch of Minor Planet Circulars dated 2016 MAY 21 and supplemented with the daily updates issued since then.
These orbit files should be considered as `preliminary'--final results will appear after the next batch of MPCs.
- Numbered objects
- Multi-opposition unnumbered objects
- One-opposition objects (perturbed solutions)
- One-opposition objects (unperturbed solutions)
- Complete orbital sets (subsets of the above datafiles) are available for the following classes of object:
Information on the format of the orbits is available.