12P/Pons-Brooks (Record n° 27842)
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 15 18h26 UT by Joel Nicolas
(Copyright Joel Nicolas)Magnitude (MPC m2) 9.8 Magnitude standard deviation 0.0 Aperture radius for m2 8.4 " Afrho 25218 cm Afrho error 512 cm r (dist/Sun) 2.584 AU d (dist/Earth) 2.760 AU Right ascension 270.25433 ° Declination +40.00433 ° 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 2023.11.16 11:17:34
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0012P C2023 11 15.76809 18 01 01.04 +40 00 15.6 9.7 R A77
0012P C2023 11 15.77183 18 01 01.30 +40 00 14.5 9.8 R A77
0012P C2023 11 15.77391 18 01 01.50 +40 00 13.1 9.8 R A77
0012P C2023 11 15.77598 18 01 01.68 +40 00 12.8 9.8 R A77
0012P C2023 11 15.77806 18 01 01.85 +40 00 12.0 9.8 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 -22 °C Binning 1x1 Exposure details 4*30s Observatory MPC code A77 Location 04 Dauban Reference stars catalog (ast) UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 1.4 "/pix Remarks or comments Afrho= 25218cm 15000km Observation submission date 2023 Nov 16 11h20m35s Observation modification date 2023 Nov 16 16h04m21s