主題: 2017 VT14 未來可能靠近地球?? 作者: peter 於 2017-11-19 18:57:52 https://groups.yahoo.com/neo/groups/comets-ml/conversations/messages/26837
MPEC W30 announces the discovery of this object, discovered by NEOWISE and traveling in a distinctly cometary orbit (T_J = 2.7). On December 17 it passes only 0.01 AU from Earth (coincidentally, the same time that (3200) Phaethon is making its closest approach to Earth), and it might be worth keeping an eye on it in case it starts to exhibit any cometary activity. Southern hemisphere observers are favored, indeed it spends a couple of days in southern circumpolar skies right after its closest approach. ~100 meters) shows a 1 in 130,000 chance of impact on 2024-Dec-12 主題: 回覆: 2017 VT14 未來可能靠近地球?? 作者: peter 於 2017-11-19 19:00:13 https://cneos.jpl.nasa.gov/sentry/details.html#?des=2017%20VT14
應該擦過 主題: 回覆: 2017 VT14 未來可能靠近地球?? 作者: peter 於 2017-12-03 17:34:25 https://groups.yahoo.com/neo/groups/comets-ml/conversations/messages/26877
會產生 meteor shower on Dec. 13/14 ?? |