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天卫二十一

Trinculo
发现
發現者
發現日期August 13, 2001[1][2] (confirmed in 2002[1][3])
軌道參數
二次軌道半徑8,504,000 km[4][5]
離心率0.2200[4][5]
軌道週期749.24 d
軌道傾角167° (与黄道[4]
隸屬天体天王星
物理特徵
平均半徑9 km (估计)[6]
表面積~1,000 km2 (估计)
體積~3,000 km3 (估计)
質量~3.9×1015 kg (估计)
平均密度~1.3 g/cm3 (猜测)
自轉週期?
轉軸傾角?
反照率0.04 (猜测)[6]
溫度~65 K (估计)

天卫二十一(S/2001 U 1, Trinculo)是环绕天王星运行的一颗卫星,由2001年被天文學家發現。

概述

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參考

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  1. ^ 1.0 1.1 Daniel W. E. Green. IAUC 7980: S/2001 U 1. IAU Circular. 2002-09-30 [2011-01-08]. (原始内容存档于2006-05-01). 
  2. ^ Jennifer Blue. Planet and Satellite Names and Discoverers. Working Group for Planetary System Nomenclature (WGPSN). 2008-10-16 [2008-12-19]. (原始内容存档于2009-08-25). 
  3. ^ Sheppard, Scott S. New Satellites of Uranus Discovered in 2003. Institute for Astronomy at the University of Hawaii. [2008-12-19]. (原始内容存档于2008-05-05). 
  4. ^ 4.0 4.1 4.2 Sheppard, Jewitt & Kleyna 2005,第523頁,Table 3.
  5. ^ 5.0 5.1 Jacobson, R.A. (2003) URA067. Planetary Satellite Mean Orbital Parameters. JPL/NASA. 2007-06-28 [2008-01-23]. (原始内容存档于2020-05-18). 
  6. ^ 6.0 6.1 Sheppard, Jewitt & Kleyna 2005,第523頁,Table 3 ... ri (km) ... 9 ... i Radius of satellite assuming a geometric albedo of 0.04.

外部連結

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天卫二十一
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