74P/Smirnova-Chernykh (Record n° 249)
Orbital period : 9.19 years
NASA/JPL elements
IAU/MPC elements
On 2010 Mar 12 01h27 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.7 Aperture radius used for m2 6 " r (dist/Sun) 3.642 AU d (dist/Earth) 2.810 AU Right ascension 13 58 08.46 h m s Declination -04 16 31.6 ° ' " Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 1200 mm Instrument focale/diameter 4.72 Sensor CCD Seeing 3 Moon elongation 100 ° Air mass 1.71 Observatory MPC code C10 Location 77 Reference stars catalog 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