112P/Urata–Niijima

      112P/Urata-Niijima
      Discovery
      Discovered by T. Niijima and T. Urata
      Discovery date October 30, 1986
      Alternative
      designations
      1986 UD, 1993 U1
      Orbital characteristics A
      Epoch November 1, 2006
      Perihelion 1.465 AU
      Semi-major axis 3.542 AU
      Eccentricity 0.586
      Orbital period 6.67 a
      Inclination 24.1675°
      Last perihelion October 29, 2006
      Next perihelion June 24, 2013[1]

      Comet Urata-Niijima is a periodic comet in the solar system discovered by Japanese astronomers Tsuneo Niijima and Takeshi Urata on October 30, 1986 at Ojima, the first orbit was calculated by Brian G. Marsden on November 5 giving an orbital period of 6.42 years.

      On October 20, 1993 the comet was recovered by J. V. Scotti (Spacewatch, Kitt Peak Observatory, Arizona, USA), and on the next return on March 4, 2000 by Philippe. L. Lamy and Harold. A. Weaver using the Hubble Space Telescope.

      References

      1. ^ Syuichi Nakano (2010-04-08). "112P/Urata-Niijima (NK 1906)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-24. 
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      Last modified on 1 March 2013, at 09:56