Comet C/2007 Q3 Siding Spring | Home | Coarse finder chart (60° field-of-view, stars to mag. 6.5) Fine finder chart (2° field-of-view, stars to mag. 12)   Geocentric Data Right Ascension (J2000)  12h 28.4m Declination (J2000) 14° 26' Constellation Coma Berenices Magnitude 10.2 Distance from Earth 2.646 AU Orbital Data Distance from Sun 2.310 AU Perihelion 2.252 AU (7-Oct-2009) Aphelion not applicable Period not applicable Eccentricity 1.000208 Inclination to ecliptic  65.7°   Developed and maintained by Chris Peat, Heavens-Above GmbH Please read the updated FAQ before sending e-mail. Imprint.