12P/Pons-Brooks (Record n° 27784)
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 Oct 31 17h34 UT by Joel NicolasMagnitude (MPC m2) 12.7 Magnitude standard deviation 0.1 Aperture radius for m2 7.0 " Afrho 4579 cm Afrho error 93 cm r (dist/Sun) 2.762 AU d (dist/Earth) 2.891 AU Right ascension 265.45604 ° Declination +41.862 ° 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 2023.11.01 11:22:06
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0012P C2023 10 31.73223 17 41 49.45 +41 51 43.2 12.5 R A77
0012P C2023 10 31.73669 17 41 49.71 +41 51 41.1 12.7 R A77
0012P C2023 10 31.74226 17 41 50.11 +41 51 38.6 12.7 R A77
0012P C2023 10 31.74782 17 41 50.44 +41 51 35.4 12.7 R A77
0012P C2023 10 31.75339 17 41 50.86 +41 51 32.7 12.7 R A77
0012P C2023 10 31.75896 17 41 51.18 +41 51 29.8 12.7 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 Nov 01 11h23m47s Observation modification date 2023 Nov 01 11h45m53s