217P/LINEAR (Record n° 309)
Orbital period : 7.85 years
NASA/JPL elements
IAU/MPC elements
On 2009 Oct 13 00h06 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 14.7 Aperture radius used for m2 6 " r (dist/Sun) 1.299 AU d (dist/Earth) 0.609 AU Right ascension 06 07 38.91 h m s Declination -04 42 53.9 ° ' " 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 360 s Exposure details 6X60s Seeing 4 Moon elongation 46 ° Air mass 4.69 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
Gradient Rotationnel : 25? Observation submission date 2010 May 13 15h48m48s