Aten asteroid


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Aten asteroid

[′ä‚ten ′as·tə‚rȯid]
(astronomy)
An asteroid whose period is less than that of the earth.
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References in periodicals archive ?
It is thus a confirmed Aten asteroid (one that circles the Sun in less than a year), first spotted 21 years before the discovery of 2062 Aten itself.
The following night he discovered his Aten asteroid.
This newest asteroid is up to 50 percent more likely to hit Earth than other types of asteroids, said Helin, who pioneered the study of Aten asteroids in the 1970s.