天卫十一

求闻百科,共笔求闻
Juliet
发现
发现者Stephen P. Synnott / Voyager 2
发现日期January 3, 1986
编号
形容词Julietian[2]
轨道参数
半长轴64,358.222 ± 0.048 km[3]
离心率0.00066 ± 0.000087[3]
轨道周期0.493065490 ± 0.000000012 d[3]
轨道倾角0.06546 ± 0.040° (to Uranus' equator)[3]
隶属天体Uranus
物理特征
大小150 × 74 × 74 km[4]
平均半径46.8 ± 4 km[4][5][6]
表面积~35,000 km2[a]
体积~632,000 km3[a]
质量~5.6×1017 kg[a]
平均密度~1.3 g/cm3 (assumed)[5]
表面重力~0.016 m/s2[a]
~0.040 km/s[a]
自转周期synchronous[4]
转轴倾角zero[4]
反照率0.08 ± 0.01[7]
温度~64 K[a]

天卫十一(S/1986 U 2),又名茱丽叶(Juliet)是环绕天王星运行的一颗卫星

概述

传统上所有天王星的英语名字都是以威廉·莎士比亚亚历山大·蒲柏的作品中的人物的名称来命名的,这个传统是从约翰·赫歇尔开始的一直延用至今。天卫十一的英语名茱丽叶出自莎士比亚悲剧《罗密欧与茱丽叶》中,女主角茱丽叶的名字。[8]

注释

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Calculated on the basis of other parameters.

参考文献

  1. Benjamin Smith (1903) The Century Dictionary and Cyclopedia
  2. W. M. Anderson (1892) 'Daniel Johnson Brimm', Shield and Diamond, vol. 2, no. 1, p. 116
  3. 3.0 3.1 3.2 3.3 Jacobson, R. A. The Orbits of the Inner Uranian Satellites From Hubble Space Telescope and Voyager 2 Observations. The Astronomical Journal. 1998, 115 (3): 1195–1199. Bibcode:1998AJ....115.1195J. doi:10.1086/300263可免费查阅. 
  4. 4.0 4.1 4.2 4.3 Karkoschka, Erich. Voyager's Eleventh Discovery of a Satellite of Uranus and Photometry and the First Size Measurements of Nine Satellites. Icarus. 2001, 151 (1): 69–77. Bibcode:2001Icar..151...69K. doi:10.1006/icar.2001.6597. 
  5. 5.0 5.1 Planetary Satellite Physical Parameters. JPL (Solar System Dynamics). 2008-10-24 [2008-12-12]. 
  6. Williams, Dr. David R. Uranian Satellite Fact Sheet. NASA (National Space Science Data Center). 2007-11-23 [2008-12-12]. 
  7. Karkoschka, Erich. Comprehensive Photometry of the Rings and 16 Satellites of Uranus with the Hubble Space Telescope. Icarus. 2001, 151 (1): 51–68. Bibcode:2001Icar..151...51K. doi:10.1006/icar.2001.6596. 
  8. 存档副本. [2017-03-11].