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123P/West-Hartley

Orbital period : 7.66 years

NASA/JPL elements
IAU/MPC elements


On 2025 Dec 28 18h38 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)18.4
m2 standard deviation0.0
Aperture radius used for m25.95 "
Afrho43 cm
Afrho error6 cm
r (dist/Sun) 2.907 AU
d (dist/Earth) 2.093 AU
Right ascension03 24 11.17 h m s
Declination+27 16 03.7 ° ' "
MPC report
COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CMO
NUM 26
AC2 fkugel@free.fr
ACK MPCReport file updated 2025.12.29 11:17:00
NET APASS
0123P        KB2025 12 28.77650 03 24 11.17 +27 16 03.7          18.4 R      A77
0123P        KB2025 12 28.78675 03 24 10.80 +27 16 03.8          18.4 R      A77
0123P        KB2025 12 28.79664 03 24 10.48 +27 16 03.8          18.4 R      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraIMX492
SensorCMOS
Binning2x2
Exposure details41x60s
Observatory MPC codeA77
Reference stars catalogAPASS
Resulting picture sampling (scale)0.85 "/pix
Observation submission date2025 Dec 29 14h43m45s
Observation modification date2025 Dec 29 14h47m34s

(Record n° 30751)

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