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S/2022 J 3

S/2022 J 3
发现[1]
发现者史考特·雪柏
发现地托洛洛山美洲际天文台
发现日期2022年8月30日
轨道参数[1][2]
历元 2023年2月25日(儒略日
半长轴0.1397905 AU(20,912,360 km)
离心率0.2721788
轨道周期–1.69 yr(–617.82 days)
平近点角77.88890°
轨道倾角144.45215° (对黄道
升交点黄经294.05598°
近日点参数45.24901°
隶属天体木星
物理特征
反照率0.04 (假定)[3]
视星等23[3]
绝对星等(H)17.4[1]

S/2022 J 3史考特·雪柏于2022年8月30日在智利塞罗·托洛洛天文台使用4.0米维克托·M·布兰科望远镜英语Víctor M. Blanco Telescope发现的木星的一颗小型外层天然卫星。此一发现由小行星中心于2023年2月22日宣布的,而在此之前已经用了够长的时间收集了足够的观测数据,以确认卫星的轨道[1]

S/2022 J 3是阿南刻群的成员之一,这是一个由木星逆行不规则卫星组成的一群卫星,它们的轨道都与阿南刻相似,轨道半长轴介于19—22 × 106 km(12—14 × 106 mi),轨道离心率在0.1至 0.4,倾角介于139°至155°[3]。若它的反照率是0.04,则它的绝对星等H是17.4,直径大约是1 km(0.62 mi)[3]

参考资料

  1. ^ 1.0 1.1 1.2 1.3 MPEC 2023-D46 : S/2022 J 3. Minor Planet Electronic Circulars. Minor Planet Center. 22 February 2023 [22 February 2023]. (原始内容存档于2023-03-05). 
  2. ^ Planetary Satellite Discovery Circumstances. JPL Solar System Dynamics. NASA. [22 February 2023]. (原始内容存档于2023-03-25). 
  3. ^ 3.0 3.1 3.2 3.3 Sheppard, Scott S. Moons of Jupiter. Earth & Planets Laboratory. Carnegie Institution for Science. [22 February 2023]. (原始内容存档于2019-04-24). 
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S/2022 J 3
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