74P/Smirnova-Chernykh (Record n° 249)
Perihelion distance : 4.84 AU
Inclination to ecliptic : 6 °
Orbital period : 11.6 years
Eccentricity : 0.06
NASA/JPL elements
IAU/MPC elements
On 2010 Mar 12 01h27 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Magnitude (MPC m2) 16.7 Aperture radius for m2 6 " r (dist/Sun) 3.642 AU d (dist/Earth) 2.810 AU Right ascension 209.53525 ° Declination -4.27544 ° Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 1200 mm Sensor CCD Seeing 3 Moon elongation 100 ° Air mass 1.71 Observatory MPC code C10 Location 77 Reference stars catalog (ast) USNOB1.0 Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.54 "/pix Observation submission date 2010 May 09 15h52m42s Observation modification date 2010 May 10 17h28m23s