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埃勒曼陨石坑

埃勒曼陨石坑
纬度25.44°S
经度120.39°W
直径46.21公里
深度2.29公里
余经日出时121°
命名来源费迪南德·埃勒曼英语Ferdinand Ellerman

埃勒曼陨石坑(Ellerman)是位于月球背面南半部的一座撞击坑,约形成于32-11亿年前的爱拉托逊纪[1],其名称取自美国天文学家费迪南德·埃勒曼英语Ferdinand Ellerman(Ferdinand Ellerman,1869年-1940年),1970年被国际天文学联合会批准接受。

描述

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格拉西莫维奇环形山(图中)和埃勒曼陨石坑(右下角)
月球轨道器5号拍摄的西向斜视图

该陨坑坐落在环东方海撞击盆地的巨大溅射覆盖层内,位于科迪勒拉山脉以西,西北毗邻更大的格拉西莫维奇环形山,西南靠近已磨损的科诺普廖夫陨石坑[2]。该陨坑中心月面坐标25°26′S 120°23′W / 25.44°S 120.39°W / -25.44; -120.39,直径46.21公里[3],深度约2.29公里[1]

由于埃勒曼陨石坑位于崎岖地形之上,原本圆形的轮廓看上去有些呈不太规则多边形状。陨坑坑壁边沿峻峭,除北侧壁切入了一座小圆坑外,未有其它明显的侵蚀和磨损。内壁松散的岩体已坍塌滑落,留下一圈平整直下的陡峭内壁,并环坡底形成一圈岩屑堆。该陨坑坑壁平均高出周边地形1090米[1],内部容积约1667.7立方千米[1]。坑内地表崎岖不平,中心点附近坐落了一圈小山丘。

卫星坑埃勒曼 Q在1991年被国际天文学联合会更名为科诺普廖夫陨石坑[1]

参考资料

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  1. ^ 1.0 1.1 1.2 1.3 1.4 Lunar Impact Crater Database
  2. ^ Crater Ellerman on the map LAC-107. (PDF). [2017-05-06]. (原始内容存档 (PDF)于2013-02-20). 
  3. ^ Directory of the International Astronomical Union. [2017-05-06]. (原始内容存档于2018-05-04). 

另请参阅

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外部链接

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埃勒曼陨石坑
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