P/2009 Y2 (Kowalski) (Record n° 455)
Orbital period : 16.76 years
NASA/JPL elements
IAU/MPC elements
On 2010 Jan 04 18h25 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 19.1 Aperture radius used for m2 6 " r (dist/Sun) 2.461 AU d (dist/Earth) 2.087 AU Right ascension 00 57 20.04 h m s Declination +28 36 39.0 ° ' " Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 1200 mm Instrument focale/diameter 4.72 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 2280 s Exposure details 19X120s Seeing 2 Moon elongation 133 ° Air mass 1.07 Observatory MPC code C10 Location 77 Reference stars catalog USNOB1.0 Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.54 "/pix Image processing PRISMV6 APE Observation submission date 2010 May 27 10h56m52s