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Chinese Journal of Space Science ›› 2015, Vol. 35 ›› Issue (4): 381-392.doi: 10.11728/cjss2014.04.381

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2400 Years and track cycles of the sun's orbital motion

Liu Fugang1, Zheng Yi2, Wang Jian3, Luo Jinming1, Bao Kunshan4   

  1. 1. College of Science, Qiqihar University, Qiqihar 161006;
    2. School of Science, Qingdao Technological University, Qingdao 266520;
    3. College of Geography, Nanjing Normal University, Nanjing 210046;
    4. State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008
  • Received:2014-07-14 Revised:2015-03-17 Online:2015-06-15 Published:2015-06-30

Abstract:

Through Fourier transferring of data from the planetary synodic index, it is found that the year, 10-year, 100-year, 1000-year, 10000-year and 100000-year scales of cycles have 10n multiple relationship. More interestingly, if we set the most significant period (4.96488a) on the year scale as the unit time step and put it into the equation of planetary synodic index, 2400 years cycle would be determined stably. On this basis, 2400 years cycle can be also assembled to form 100000 years and 400000~410000 years cycles of the Sun's orbital motion. This is helpful to unveil the relationship between the Sun's orbital motion and solar activity, and is significant to discuss the mechanism of climatic variation on the thousand years and orbital scales.

Key words: Sun's orbital motion, Planetary synodic index, 2400 years quasi cycle, Track cycle

CLC Number: