12P/Pons-Brooks (Record n° 27766)
Perihelion distance : 0.78 AU
Inclination to ecliptic : 74 °
Orbital period : 71.8 years
Eccentricity : 0.95
NASA/JPL elements
IAU/MPC elements
On 2023 Oct 15 18h27 UT by Joel NicolasMagnitude (MPC m2) 15.4 Magnitude standard deviation 0.1 Aperture radius for m2 5.6 " r (dist/Sun) 2.948 AU d (dist/Earth) 3.012 AU Right ascension 261.86442 ° Declination +44.30769 ° MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2023.10.24 17:39:45
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0012P KC2023 10 15.76884 17 27 27.46 +44 18 27.7 15.3 R A77
0012P KC2023 10 15.77330 17 27 27.57 +44 18 25.6 15.5 R A77
0012P KC2023 10 15.77782 17 27 27.67 +44 18 22.6 15.4 R A77
Instrumental configuration Config1 Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter R Bessel Camera ST8XME Sensor CCD Sensor temperature -20 °C Binning 1x1 Observatory MPC code A77 Location 04 Dauban Reference stars catalog (ast) UCAC-4
Used softwares Astrometrica Observation submission date 2023 Oct 24 15h41m53s