17P/Holmes (Record n° 3417)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2007 Oct 31 17h36 UT by Francois KugelNuclear magnitude (m2) 10.9 m2 standard deviation 0.1 r (dist/Sun) 2.463 AU d (dist/Earth) 1.624 AU Right ascension 03 46 26.02 h m s Declination +50 31 16.6 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.5-m f/3 reflector + CCD
AC2 fkugel@wanadoo.fr
NET USNO-B1.0
0017P C2007 10 31.73357 03 46 26.02 +50 31 16.6 10.8 N A77
0017P C2007 10 31.94369 03 46 12.46 +50 31 48.3 11.0 N A77
Instrument type Newton Instrument aperture (0=naked eye) 500 mm Instrument focale length 1500 mm Instrument focale/diameter 3 Sensor CCD Observatory MPC code A77 Reference stars catalog USNO-B1.0
Observation submission date 2011 May 07 22h57m09s