12P/Pons-Brooks (Record n° 27864)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Nov 17 18h21 UT by Joel Nicolas
(Copyright Joel Nicolas)Nuclear magnitude (m2) 12 m2 standard deviation 0.1 Aperture radius used for m2 8.4 " Afrho 20795 cm Afrho error 216 cm r (dist/Sun) 2.560 AU d (dist/Earth) 2.742 AU Right ascension 18 03 58.52 h m s Declination +39 47 46.4 ° ' " 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 2023.11.20 16:23:32
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0012P KC2023 11 17.76446 18 03 58.52 +39 47 46.4 12.0 R A77
0012P KC2023 11 17.76799 18 03 58.80 +39 47 44.7 12.0 R A77
0012P KC2023 11 17.77152 18 03 59.18 +39 47 44.5 11.9 R A77
0012P KC2023 11 17.77505 18 03 59.47 +39 47 42.9 12.0 R A77
0012P KC2023 11 17.77858 18 03 59.82 +39 47 41.6 11.9 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(s) R Bessel Camera ST8XME Sensor CCD Sensor temperature -22 °C Binning 1x1 Exposure details 5*45s Air mass 1.21 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 1.4 "/pix Remarks or comments Afrho: 20795cm à 50000km; 12004cm à 10000km Observation submission date 2023 Nov 20 16h25m56s Observation modification date 2023 Nov 20 17h31m14s