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主題: 2014 WC201 and 2014 WX202 靠近地球 作者: peter 於 2014-12-02 18:56:29 http://www.universetoday.com/116800/watch-asteroids-whiz-by-the-earth-moon-system-this-week-as-first-steps-toward-asteroid-exploration-leave-the-launch-pad/#more-116800
(http://d1jqu7g1y74ds1.cloudfront.net/wp-content/uploads/2014/12/WC201.jpg) orbit of 2014 WC201. Credit: NASA/JPL. 2014 WC201 可能 27m 左右 (http://d1jqu7g1y74ds1.cloudfront.net/wp-content/uploads/2014/12/WX202.jpg) 2014 WX202 可能軌道會伴地球有點類似 月亮? 暫時的月亮 |