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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2007 Nov 17 22h05 UT by Nicolas Biver

Coma Total magnitude (m1) 3.1
Coma diameter30 '
Coma condensation degree (DC)4
r (dist/Sun) 2.530 AU
d (dist/Earth) 1.634 AU
ICQ full report
 17        2007 11 17.92  S  3.1 HV  0.0E        30    4            ICQ XX BIV
Instrument typeNaked eye
Instrument aperture (0=naked eye)0 mm
SensorEye
Magnitude visual estimation method (ICQ code)S
Reference stars catalogHIPPARC
Observation submission date2011 Apr 24 12h23m37s

(Record n° 2649)

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