Cometcountdown

55P/Tempel-Tuttle
Discovered by
Wilhelm Tempel and Horace Parnell Tuttle
Discovery date
19 December 1865
Alternative designations
1366 U1; 1699 U1; 1699 II; 1865 Y1; 1866 I; 1965 M2; 1965 IV; 1965i; 1997 E1
Semi-major axis
10.3345 AU
Eccentricity
0.9055
Orbital period
33.2226 a
Inclination
162.486°
Epoch
8 March 1998 (JD 2450880.5)
Aphelion
19.6924 AU
Perihelion
0.9766 AU
Last Perihelion(s)
28 February 1998
Next Perihelion
20 May 2031
Last modified
12/12/2016 - 09:50