near-Earth comet


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near-Earth comet

n. Abbr. NEC
A comet whose orbit around the sun brings it near Earth's orbit.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
In January, the PanSTARRS telescope at the University of Hawaii first identified P/2016 BA14, a near-Earth comet that sailed past Earth on March 22.
Tucker of Tucson, Arizona, discovered a near-Earth comet, P/1998 QP54, one that had been reported earlier as an ordinary minor planet by the Lowell Observatory Near-Earth Object Search team (see the March issue, page 76).
The European Space Agency further classifies NEOs into near-earth asteroids (NEAs) and near-earth comets (NECs).