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2012 BX34

2012 BX34
发现[1]
发现者卡特林那巡天系统
发现日期2012年1月25日
编号
小行星分类阿登型小行星NEO
轨道参数[2]
历元 2012年3月14日 (JD 2456000.5)
远日点1,03361558 AU (Q)
近日点0,490204337 AU (q)
半长轴0,761909958 AU (a)
离心率0,356611196
轨道周期242,9147585 天 (~2/3 )
平均轨道速度1.48200135°/天
平近点角295,3940307°(M)
轨道倾角10,53555566°
升交点黄经306.8049332°
近日点参数335,6467343°
物理特征
大小~8米[3][4]
质量?
平均密度?
表面重力?
?
恒星周期?
反照率未知
光谱类型?
视星等~13.9[5] - 30.3
绝对星等(H)27,63[2]

2012 BX34是由卡特林那巡天系统在2012年1月25日首先发现的阿登型小行星

2012年1月27日协调世界时15:25,它在距离地球表面65,390千米(40,630英里,0.0004371天文单位)的位置近距离擦过地球。[6] 2012 BX34的直径约为8米,即使它撞击地球,也会因为直径太小而在地球大气中被燃烧掉。[7] 在2012年的这次掠地事件中,它的视星等最亮时达13.9等[5],和矮行星冥王星的视星等相当。2012年2月25日,它的视星等降至30等。 [1]

相关条目

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参考资料

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  1. ^ 1.0 1.1 MPEC 2012-B62 : 2012 BX34. IAU 小行星中心. 26 January 2012 [2012-01-29]. (原始内容存档于2016-03-04). 
  2. ^ 2.0 2.1 JPL Small-Body Database Browser: (2012 BX34). Jet Propulsion Laboratory. 27 January 2012 [2012-01-29]. (原始内容存档于2019-08-22). 
  3. ^ Images taken by legendary comet and asteroid hunter Rob McNaught tonight using T17 in Spain. itelescope. 27 January 2012 [2012-01-29]. (原始内容存档于2012-02-01). 
  4. ^ Dr. Lance A. M. Benner. 2012 BX34 Goldstone Radar Observations Planning. NASA/JPL Asteroid Radar Research. 26 January 2012 [2012-01-29]. (原始内容存档于2020-11-23). 
  5. ^ 5.0 5.1 NEODyS 2012BX34 Ephemerides for 27 Jan 2012. AstDyS-2 (Asteroids - Dynamic Site). [2012-01-29]. (原始内容存档于2016-03-04). 
  6. ^ JPL Close-Approach Data: (2012 BX34). 27 January 2012 [2012-01-29]. (原始内容存档于2019-08-22). 
  7. ^ AsteroidWatch. It wouldn't get through our atmosphere intact even if it dared to try. NASA/JPL Near-Earth Object Program Office. 26 January 2012 [2012-01-29]. (原始内容存档于2018-07-28). 

外部链接

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2012 BX34
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