Comet Orbit Home Page

This HP is link free. If you have any problems and/or requests,
please send e-mail to Kazuo Kinoshita(amateur astronomer in Japan).

Last update 2012 May 8

News

• list of discoveried and recoveried comets in 2010. (Updated 2011 Nov. 3)
  
• list of discoveried and recoveried comets in 2011. (Updated 2011 Dec. 31)
  
• list of discoveried and recoveried comets in 2012. (Updated 2012 May 8)
  
  
• Observations ranking table. (last updated 2012 Apr. 8)
  
  
• My elements format

Observable list[brighter than 18.5 in Japan](last updated May 8)

Epoch 2012 May 13, Please use these orbits for the observation.

• Daily ephemeris of comets (2012 May 3 - June 3)
  in order of brightness, in order of R.A., in order of Last Obs.
  
  
• Comets orbital elements list (Include unusual Minor Planets)
  Original form : ASTROMETRICA form : GUIDE form : THE SKY form : STELLANAVIGATOR 5,6,7 form
  
  
  • ASTROMETRICA is shareware by Herbert Raab, GUIDE is product of Project Pluto, THE SKY is product of Bisque,
    
  • STELLANAVIGATOR is product of AstroArts Inc..
    
  
  

Year of perihelion passage [not include SOLWIND,SMM,SOHO] (last updated 2011 Dec. 5)

(1970-1979)
(1980-1989)
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
2010 2011 2012 2013 2014 2015

Orbit detail

When the comet approaches the planet by the following conditions, I picked up the planet name, the distance, and time.
The Earth is less than 0.5AU, The Jupiter and Saturn are less than 1AU, The Uranus and Neptune are less than 0.5AU, Other planets are less than 0.05AU.

Numbered periodic comets (Updated 2012 May 7)
Unnumbered periodic comets (Updated 2012 May 2)
Non periodic comets (Updated 2012 May 2)