"Minor Planet Circular" . . . . . . . "M.P.C." . . "1947" . . "MPC" . . . . . "Minor Planet Centre" . "Minor Planet Center#Periodical publications" . . "Minor Planet Center" . "Minor Planet Center#Publications" . . . "Minor Planet Center#Natural Satellites Ephemeris Service" . "Minor Planet Center" . . . "Minor Planet Electronic Circular" . . "MPC's" .