Cometcountdown

161P/Hartley-IRAS
Discovered by
Malcolm Hartley - IRAS
Discovery date
4 November 1983
Alternative designations
1984 III; 2004 V2
Semi-major axis
7.734 AU
Eccentricity
0.8351
Orbital period
21.51 yr
Inclination
95.6899°
Epoch
6 March 2006
Aphelion
14.19 AU
Perihelion
1.275 AU
Last Perihelion(s)
20 June 2005
Next Perihelion
29 October 2026
Last modified
25/12/2016 - 09:44