Cometcountdown

23P/Brorsen-Metcalf
Discovered by
Theodor Brorsen and Joel Metcalf
Discovery date
20 July, 1847
Alternative designations
1847 O1, 1919 Q1, 1989 N1
Semi-major axis
17.07 AU
Eccentricity
0.972
Orbital period
70.52
Inclination
19.33°
Epoch
1 October, 1989
Aphelion
33.65 AU
Perihelion
0.478 AU
Last Perihelion(s)
11 September, 1989
Next Perihelion
8 June, 2059
Last modified
12/12/2016 - 03:03