17P/Holmes (Record n° 2622)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2007 Oct 24 21h07 UT by Nicolas BiverComa Total magnitude (m1) 2.7 Coma diameter 1 ' Coma condensation degree
(DC) 9 r (dist/Sun) 2.436 AU d (dist/Earth) 1.637 AU ICQ full report 17 2007 10 24.88 B 2.7 HV 5.0B 7 1 9 ICQ XX BIV
Instrument type Binoculars Instrument aperture (0=naked eye) 50 mm Sensor Eye Power magnification 7 X Magnitude visual estimation method
(ICQ code) B Reference stars catalog HIPPARC Observation submission date 2011 Apr 24 12h23m36s