The quantity of numbered minor planets has now well exceeded a quarter million. The new sixth edition of the Dictionary of Minor Planet Names, which is the IAU's official reference for the field, now covers more than 17000 named minor planets.
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This 6th edition of the Dictionary of Minor Planet Names has expanded by more than 7,000 entries, now covering more than 17,000 named minor planets. Also includes corrections, amendments and updates to entries published in earlier editions.