comet familyA distinct group of comets, the members of which have aphelion distances that coincide approximately with points on the orbit of a giant planet, in particular Jupiter. Associations with Saturn, Uranus, and Neptune are now considered to be dynamically implausible. See Jupiter's comet family.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
comet family[′käm·ət ‚fam·lē]
Those short-period comets whose aphelia correspond closely to Jupiter's orbit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.