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小行星15807

15807 1994 GV9
发现
发现者大卫·朱维特
Jun Chen英语Jun Chen
发现日期1994年4月15日
编号
小行星分类QB1天体
轨道参数
历元 2019年4月27日
不确定参数 4
excite_mean = 0.077[1]
观测弧20.88 (7,627天)
远日点6.540 AU
近日点41.328 AU
半长轴43.934 AU
离心率0.0593
轨道周期291.21 年(106,365
平近点角73.373°
轨道倾角0.5594°
升交点黄经176.57°
近日点参数309.63°
物理特征
反照率0.09–0.2 (假设)[2][3]
绝对星等(H)7.4[4][5]

小行星15807是一个属于QB1天体海王星外天体小行星,属于QB1天体中的冷群体(cold population)[2]。1994年4月15日,天文学家大卫·朱维特Jun Chen英语Jun Chen在夏威夷希洛毛纳基山天文台发现了它,当时它的暂时编号为1994 GV9

小行星15807是第二个被发现的QB1天体,而第一个被发现的是小行星15760

描述

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截至2018年 (2018-Missing required parameter 1=month!),它远离太阳43.3 AU[6]。现时它与海王星的最短可能距离(MOID英语Minimum orbit intersection distance)是11.2 AU(1.68 × 109 km[4]。现时我们对它的认识很有限。根据其亮度和距离估计,它的直径大约100至150公里,视乎于其反照程度

小行星15807是第二个被小行星中心赋予永久编号的QB1天体[7]而第一个QB1天体是阿尔比恩

参考资料

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  1. ^ Marc W. Buie. Orbit Fit and Astrometric record for 15807. SwRI (Space Science Department). 22 March 2002 [2008-09-29]. (原始内容存档于2020-11-26). 
  2. ^ 2.0 2.1 Brown, Michael E. How many dwarf planets are there in the outer solar system?. California Institute of Technology. [3 December 2018]. (原始内容存档于2020-03-06). 
  3. ^ Johnston, Wm. Robert. List of Known Trans-Neptunian Objects. Johnston's Archive. 7 October 2018 [3 December 2018]. (原始内容存档于2011-02-05). 
  4. ^ 4.0 4.1 15807 (1994 GV9). Minor Planet Center. [3 December 2018]. (原始内容存档于2019-06-15). 
  5. ^ JPL Small-Body Database Browser: 15807 (1994 GV9) (2015-03-23 last obs.). Jet Propulsion Laboratory. [3 December 2018]. (原始内容存档于2019-06-10). 
  6. ^ AstDys (15807) 1994GV9 Ephemerides. Department of Mathematics, University of Pisa, Italy. [2018-02-10]. 
  7. ^ MPEC 2008-O05 : Distant Minor Planets (2008 AUG. 2.0 TT). 小行星中心. 17 July 2008 [3 December 2018]. (原始内容存档于2020-10-04). 

外部链接

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小行星15807
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