IMPORTANT:
The SSD Announcement email list is now available.
Major changes are coming in the near future,
including possible hostname and/or URL changes.
To be notified of such changes, subscribe to this email list.
Published Reference List: [Pilcher, F.; Martinez, L. (2015) Minor Planet Bull. 42, 239.] [Pilcher, F. (2018) Posting on CALL web site: http://www.minorplanet.info/call.html]