12P/Pons-Brooks (Record n° 27277)
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 Jul 21 20h28 UT by Joel Nicolas
(Copyright Joel Nicolas)Coma Total magnitude (m1) 11.5 Aperture radius for m1 0.35 ' Magnitude (MPC m2) 11.7 Magnitude standard deviation 0.0 Aperture radius for m2 7 " Coma diameter 0.7 ' Afrho 43248 cm r (dist/Sun) 3.880 AU d (dist/Earth) 3.562 AU Right ascension 274.12908 ° Declination +55.83256 ° 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 2023.07.22 18:55:44
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0012P C2023 07 21.85288 18 16 30.98 +55 49 57.2 11.7 R A77
0012P C2023 07 21.85538 18 16 30.70 +55 49 57.4 11.7 R A77
0012P C2023 07 21.86078 18 16 30.19 +55 49 57.2 11.7 R A77
0012P C2023 07 21.86285 18 16 29.95 +55 49 57.7 11.7 R A77
0012P C2023 07 21.86492 18 16 29.73 +55 49 57.5 11.7 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 None Camera ST8XME Sensor CCD Sensor temperature -15 °C Binning 1x1 Exposure details 3*30s Air mass 1.05 Observatory MPC code A77 Location 04 Dauban Reference stars catalog (ast) UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2023 Jul 22 16h57m34s Observation modification date 2023 Aug 07 15h42m37s