Cometcountdown

27P/Crommelin
Discovered by
J.-L. Pons
Discovery date
23 February, 1818
Alternative designations
1818 D1, 1873 V1, 1928 W1, 1956 S1
Semi-major axis
9.204 AU
Eccentricity
0.919
Orbital period
27.9
Inclination
28.96°
Epoch
18 July, 2011
Observation arc
84 years (1928-2012)
Aphelion
17.660 AU
Perihelion
0.748 AU
Last Perihelion(s)
3 August, 2011 - 20 February, 1984
Next Perihelion
27 May, 2039
Last modified
12/12/2016 - 03:07