主題: 2018 YW 小行星 0.33 AU from Earth on January 19 作者: peter 於 2018-12-23 18:24:38 小行星
https://groups.yahoo.com/neo/groups/comets-ml/conversations/messages/27607 While there is a lot of attention being given to C/2018 Y1 (and rightly so) right now, it turns out that there is another object also announced yesterday that might prove interesting. 2018 YW is in a distinctly cometary orbit (e = 0.77, P = 7.5 years) and passes perihelion (q = 0.89 AU) near the end of February; while inbound to perihelion it passes 0.33 AU from Earth on January 19. It might be worth keeping an eye on it in case it becomes active 主題: 回覆: 2018 YW 彗星 0.33 AU from Earth on January 19 作者: peter 於 2018-12-25 12:52:56 https://minorplanetcenter.net/mpec/K18/K18Y51.html
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