地ち球きゅう近きん傍ぼう小しょう惑わく星せいちきゅうきんぼうしょうわくせいMeanings1nounnear-Earth asteroid; NEAastronomy›Technical astronomy term for an asteroid whose orbit brings it close to Earth.地ち球きゅう近きん傍ぼう小しょう惑わく星せいの軌