Cometcountdown

133P/7968 Elst-Pizarro
Discovered by
1979 OW7: M. R. S. Hawkins R. H. McNaught, S. J. Bus - 1996 N2: Eric W. Elst, Guido Pizarro
Discovery date
24 July 1979 (1979 OW7)  and 14 July 1996 (1996 N2)
Alternative designations
P/1996 N2 1979 OW7 7968 Elst–Pizarro
Semi-major axis
3.1600 AU (472.73 Gm) (a)
Eccentricity
0.16062 (e)
Orbital period
5.62 yr (2051.7 d)
Mean anomaly
187.70° (M)
Inclination
1.3873° (i)
Longitude of ascending node
160.14° (Ω)
Argument of perihelion
131.97° (ω)
Mean density
1.3(?) g/cm³ 
Sidereal rotation period
3.471 h (0.1446 d)
Albedo
0.05±0.02R 
Apparent magnitude
17.24 to 20.71
Absolute Magnitude
15.7 - 15.3R (2004)  - 15.49R (2010) 
Observation arc
13350 days (36.55 yr)
Dimensions
3.8±0.6 km (Spitzer)
Aphelion
3.66751 AU (548.652 Gm) (Q)
Perihelion
2.6524 AU (396.79 Gm) (q)
Last modified
23/12/2016 - 10:13