史蒂芬-奧特瑪彗星

38P/Stephan–Oterma
發現
發現者耶羅姆·尤金·科吉亞
發現日1867年1月22日
臨時編號P/1980 L2, P/1942 V1, P/1867 B1, 38P
軌道特性
曆元1981-Apr-26
(JD 2444720.5)[1]
遠日點20.920 AU
近日點1.5744 AU
半長軸11.247 AU
離心率0.86002
週期37.72 yr
軌道傾角17.981°
歷次近日點
日期
2018年11月10日[2][3]
1980年12月5日[1][3]
下次近日點
日期
2056年8月28日[4]

史蒂芬-奧特瑪彗星(38P/Stephan–Oterma)是一顆週期彗星,軌道周期為38年。史蒂芬-奧特瑪彗星符合哈雷型彗星的經典定義(20年 < 週期 < 200年)[1]

觀測史

1867年1月22日,耶羅姆·尤金·科吉亞法國馬賽天文台發現史蒂芬-奧特瑪彗星[1]。1月25日,讓·瑪里·愛德華·史提芬確認這是一顆彗星。1942年11月6日,芬蘭天文學家利斯·奧特瑪發現史蒂芬-奧特瑪彗星[5]

發現史蒂芬-奧特瑪彗星上一次抵達近日點是在2018年11月10日[3]。2017年6月24日,泛星計畫再發現史蒂芬-奧特瑪彗星,當時距離太陽5.3天文單位。史蒂芬-奧特瑪彗星下一次經過近日點是2056年8月28日。

參考資料

  1. ^ 1.0 1.1 1.2 1.3 JPL Small-Body Database Browser: 38P/Stephan-Oterma (last observation: 1981-04-04; arc: 114.18 years). Jet Propulsion Laboratory. [2009-05-07]. (原始内容存档于2021-09-21). 
  2. ^ MPC
  3. ^ 3.0 3.1 3.2 Seiichi Yoshida. 38P/Stephan-Oterma. Seiichi Yoshida's Comet Catalog. 2004-07-31 [2011-10-23]. (原始内容存档于2012-05-11). 
  4. ^ MPC
  5. ^ 38P/Stephan-Oterma. cometography.com. [5 February 2023]. (原始内容存档于2011-11-23). 
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