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31P/Schwassmann-Wachmann

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 04 21h14 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Magnitude (MPC m2)18.5
Aperture radius for m26 "
r (dist/Sun) 3.527 AU
d (dist/Earth) 3.250 AU
Right ascension80.54583 °
Declination+21.73081 °
Instrument typeNewton
Instrument aperture (0=naked eye)254 mm
Instrument focale length1200 mm
SensorCCD
Seeing4
Moon elongation139 °
Air mass1.37
Observatory MPC codeC10
Location77
Reference stars catalog (ast)USNOB1.0
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.54 "/pix
Observation submission date2010 May 09 15h07m01s
Observation modification date2010 May 10 17h26m51s

(Record n° 241)

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