12P/Pons-Brooks (Record n° 28506)
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 Nov 22 18h29 UT by Nicolas BiverComa Total magnitude (m1) 8.9 Coma diameter 4 ' Coma condensation degree
(DC) 3 ICQ full report 12 2023 11 22.77 S 8.9 TK 40.7L 4 72 4 3 ICQ XX BIV
Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale/diameter 4 Sensor Eye Power magnification 72 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog (ast) TYCHO2 Observation submission date 2024 May 24 17h10m53s