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12P/Pons-Brooks

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 deviation0.1
Aperture radius used for m28.4 "
Afrho20795 cm
Afrho error216 cm
r (dist/Sun) 2.560 AU
d (dist/Earth) 2.742 AU
Right ascension18 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 configurationConfig1
Instrument typeNewton
Instrument aperture (0=naked eye)410 mm
Instrument focale length1353 mm
Instrument focale/diameter3.3
Filter(s)R Bessel
CameraST8XME
SensorCCD
Sensor temperature-22 °C
Binning1x1
Exposure details5*45s
Air mass1.21
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Used softwaresAstrometrica
Resulting picture sampling (scale)1.4 "/pix
Remarks or commentsAfrho: 20795cm à 50000km; 12004cm à 10000km
Observation submission date2023 Nov 20 16h25m56s
Observation modification date2023 Nov 20 17h31m14s

(Record n° 27864)

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