12P/Pons-Brooks (Record n° 27584)
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 Sep 14 20h20 UT by Joel NicolasMagnitude (MPC m2) 16 Magnitude standard deviation 0.1 Aperture radius for m2 5.6 " Afrho 379 cm Afrho error 8 cm r (dist/Sun) 3.296 AU d (dist/Earth) 3.207 AU Right ascension 259.78813 ° Declination +49.78417 ° 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 2023.09.15 16:10:38
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0012P KC2023 09 14.84733 17 19 09.15 +49 47 03.0 16.1 R A77
0012P KC2023 09 14.86379 17 19 08.90 +49 46 51.7 16.0 R A77
0012P KC2023 09 14.86924 17 19 08.84 +49 46 48.8 16.0 R A77
0012P KC2023 09 14.87457 17 19 08.76 +49 46 44.6 16.0 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 -15 °C Binning 1x1 Observatory MPC code A77 Location 04 Dauban Reference stars catalog (ast) UCAC-4
Used softwares Astrometrica Observation submission date 2023 Sep 15 14h12m42s Observation modification date 2023 Sep 15 15h49m10s