Comet 17P Holmes | 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)  10h 34.8m Declination (J2000) 5° 14' Constellation Sextans Magnitude 23.6 Distance from Earth 4.095 AU Orbital Data Distance from Sun 5.043 AU Perihelion 2.053 AU (5-May-2007) Aphelion 5.188 AU Period 6.89 years Eccentricity 0.432872 Inclination to ecliptic  19.1°   Developed and maintained by Chris Peat, Heavens-Above GmbH Please read the updated FAQ before sending e-mail. Imprint.