31P/Schwassmann-Wachmann (Record n° 3111)
Perihelion distance : 3.41 AU
Inclination to ecliptic : 5 °
Orbital period : 8.69 years
Eccentricity : 0.19
NASA/JPL elements
IAU/MPC elements
On 2010 Mar 01 18h31 UT by Francois KugelMagnitude (MPC m2) 18.2 Magnitude standard deviation 0.1 r (dist/Sun) 3.530 AU d (dist/Earth) 3.210 AU Right ascension 80.17796 ° Declination +21.64736 ° MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.5-m f/3 reflector + CCD
AC2 fkugel@wanadoo.fr
NET USNO-B1.0
0031P C2010 03 01.77128 05 20 42.71 +21 38 50.5 18.2 N A77
0031P C2010 03 01.78215 05 20 42.94 +21 38 51.9 18.1 N A77
0031P C2010 03 01.79301 05 20 43.32 +21 38 52.4 18.2 N A77
Instrument type Newton Instrument aperture (0=naked eye) 500 mm Instrument focale length 1500 mm Instrument focale/diameter 3 Sensor CCD Observatory MPC code A77 Reference stars catalog (ast) USNO-B1.0
Observation submission date 2011 May 06 21h58m32s