D/1770 L1是一顆1770年肉眼可見的彗星，因天文學家 安德斯·約翰·萊克塞爾（Anders Johan Lexell）計算其軌道，也稱為「萊克塞爾彗星」（Lexell's Comet）。 在歷史上所有的彗星 …

D/1770 L1, popularly known as Lexell's Comet after its orbit computer Anders Johan Lexell, was a comet discovered by astronomer Charles Messier in June 1770.

D/1770 L1 (Lexell) Discovery. Charles Messier (France) had just completed an observation of Jupiter and was in the process of observing several nebulosities he had seen in 1764, when …

2018年2月24日 · Jupiter-family Comet D/1770 L1 (Lexell) was the first discovered Near-Earth Object (NEO), and passed the Earth on 1770 Jul 1 at a recorded distance of 0.015 au. The …

Comet D/1770 L1 (Lexell) is an object whose orbit features a relatively short period, low inclination, and is controlled by Jupiter's gravitational effects. NASA JPL has classified Lexell …

D/1770 L1，以其轨道计算机安德斯·约翰·莱克塞尔（Anders Johan Lexell）的名字而俗称莱克塞尔彗星，是天文学家查尔斯·梅西耶（Charles Messier）于 1770 年 6 月发现的一颗彗星。

2005年11月27日 · In 1770, it passed extremely close by the earth down to 0.0146 A.U. on July 1, and reached to -2 mag. The light curve during three and a half months between June and …

D/1770 L1, popularly known as Lexell's Comet after its orbit computer Anders Johan Lexell, was a comet discovered by astronomer Charles Messier in June 1770. [ note 1 ] It is notable for …

D/1770 L1是一颗1770年肉眼可见的彗星，因天文学家 安德斯·约翰·莱克塞尔（Anders Johan Lexell）计算其轨道，也称为“莱克塞尔彗星”（Lexell's Comet）。 在历史上所有的彗星中，它 …

2018年4月1日 · Jupiter-family Comet D/1770 L1 (Lexell) was the first discovered Near-Earth Object (NEO) and passed the Earth on 1770 July 1 at a recorded distance of 0.015 au. The …