earth-grazer


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earth-grazer

n
(Astronomy) an asteroid in an orbit that takes it close to the earth. Also called: near-earth asteroid
References in periodicals archive ?
Instead, Lyytinen suspected, the biggest chunk of this Earth-grazer ended up in a temporary loop around Earth and came down over North America one "orbit" later.
In 1949 Baade, who had discovered the asteroid Hidalgo (see 1920), discovered an asteroid that was an Earth-grazer, since it could come as close as 4,000,000 miles from Earth, and an Apollo-object too.
We'll find out when the next Earth-grazer comes by.