Cometcountdown

103P/Hartley 2
Discovered by
Malcolm Hartley
Discovery date
15 March 1986
Alternative designations
103P/1986 E2
Semi-major axis
3.46 AU (a)
Eccentricity
0.694
Orbital period
6.46 years
Inclination
13.6°
Aphelion
5.87 AU (Q)
Perihelion
1.05 AU (q)
Last Perihelion(s)
28 October 2010
Next Perihelion
20 April 2017
Last modified
16/12/2016 - 08:57