Cometcountdown

64P/Swift-Gehrels
Discovered by
Lewis A. Swift Tom Gehrels
Discovery date
17 November 1889 8 February 1973
Alternative designations
Swift 1
Semi-major axis
4.4509 AU
Eccentricity
0.688
Orbital period
9.23 a
Inclination
8.9397°
Aphelion
7.4998 AU
Perihelion
1.9508 AU
Last Perihelion(s)
June 2009
Next Perihelion
3 November 2018
Last modified
14/12/2016 - 02:13