天卫十一 

Juliet
发现
發現者Stephen P. Synnott / Voyager 2
發現日期January 3, 1986
編號
形容詞Julietian[2]
軌道參數
半長軸64,358.222 ± 0.048 km[3]
離心率0.00066 ± 0.000087[3]
軌道週期0.493065490 ± 0.000000012 d[3]
軌道傾角0.06546 ± 0.040° (to Uranus' equator)[3]
隸屬天体Uranus
物理特徵
大小150 × 74 × 74 km[4]
平均半徑46.8 ± 4 km[4][5][6]
表面積~35,000 km2[a]
體積~632,000 km3[a]
質量~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]
自轉週期synchronous[4]
轉軸傾角zero[4]
反照率0.08 ± 0.01[7]
溫度~64 K[a]

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

  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). 24 October 2008 [12 December 2008]. (原始内容存档于2013-11-01). 
  6. ^ Williams, Dr. David R. Uranian Satellite Fact Sheet. NASA (National Space Science Data Center). 23 November 2007 [12 December 2008]. (原始内容存档于2010-01-05). 
  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. 


引证错误:页面中存在标签或{{efn}}模板,但没有找到相应的标签或{{notelist}}模板




取材自維基百科 - 中文時事百科