天卫十一
 | |
| 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。
概述
[编辑]傳統上所有天王星的英語名字都是以威廉·莎士比亞或亞歷山大·蒲柏的作品中的人物的名稱來命名的，這個傳統是從約翰·赫歇爾開始的一直延用至今。天衛十一的英語名茱麗葉出自莎士比亞悲劇《羅密歐與茱麗葉》中，女主角茱麗葉的名字。[8]
註釋
[编辑]參考文獻
[编辑]- ^ Benjamin Smith (1903) The Century Dictionary and Cyclopedia
- ^ W. M. Anderson (1892) 'Daniel Johnson Brimm', Shield and Diamond, vol. 2, no. 1, p. 116
- ^ 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
.
- ^ 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.
- ^ 5.0 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）.
- ^ 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）.
- ^ 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.
- ^ 存档副本. [2017-03-11]. （原始内容存档于2012-01-24）.
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