74P/Smirnova-Chernykh (Record n° 248)
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 Feb 16 04h21 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Magnitude (MPC m2) 17 Aperture radius for m2 6 " r (dist/Sun) 3.625 AU d (dist/Earth) 3.067 AU Right ascension 210.13317 ° Declination -4.91278 ° Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 1200 mm Camera ST7-XMEd Sensor CCD Sensor size 6.9X4.6 mm2 Sensor pixels number 765X510 Sensor temperature -25 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 960 s Exposure details 8X120s Seeing 2 Moon elongation 138 ° Air mass 1.68 Observatory MPC code C10 Location 77 Reference stars catalog (ast) USNOB1.0 Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.54 "/pix Image processing PRISMV6 APE Observation submission date 2010 May 09 15h50m13s