MPCAT-OBS: Observation Archive
The links below provide access to complete observational sets for
numbered and unnumbered minor planets and comets. Due to the size of the
files, they are available only in gzip-compressed form.
You are reminded that any use of these data, or of data derived from
these data, requires you to maintain the reference information on any redistribution.
are complete through the
batch of Minor Planet
Circulars. The gzip-compressed versions of the data files
are roughly 20% of the size of the uncompressed data files.
Note that you should ensure that you have set your browser to download
to your local disk before trying to access these files. If you fail to
do this, your browser will attempt to display the downloaded file. Or
more likely, your browser will crash...
The Isolated Tracklet File
The Isolated Tracklet File containing Isolated Tracklets can be downloaded
Please ensure you have read this