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12P/Pons-Brooks

Perihelion distance : 0.78 AU
Inclination to ecliptic : 74 °
Orbital period : 71.7 years
Eccentricity : 0.95

NASA/JPL elements
IAU/MPC elements


On 2023 Dec 16 06h14 UT by Nicolas Biver

Coma Total magnitude (m1) 9.9
Coma diameter2 '
Coma condensation degree (DC)5
ICQ full report
 12        2023 12 16.26  S  9.9 TK 40.7L 4  72   2    5            ICQ XX BIV
Instrument typeNewton
Instrument aperture (0=naked eye)407 mm
Instrument focale/diameter4
SensorEye
Power magnification 72 X
Magnitude visual estimation method (ICQ code)S
Reference stars catalog (ast)TYCHO2
Observation submission date2024 May 24 17h10m54s

(Record n° 28511)

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