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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2007 Oct 28 22h05 UT by Nicolas Biver

Coma Total magnitude (m1) 2.8
Coma diameter5 '
Coma condensation degree (DC)7
r (dist/Sun) 2.451 AU
d (dist/Earth) 1.629 AU
ICQ full report
 17        2007 10 28.92  B  2.8 HV  0.0E         5    7            ICQ XX BIV
Instrument typeNaked eye
Instrument aperture (0=naked eye)0 mm
SensorEye
Magnitude visual estimation method (ICQ code)B
Reference stars catalogHIPPARC
Observation submission date2011 Apr 24 12h23m36s

(Record n° 2627)

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