123P/West-Hartley (Record n° 31052)
Orbital period : 7.66 years
NASA/JPL elements
IAU/MPC elements
On 2026 Mar 07 19h06 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 18 m2 standard deviation 0.1 Aperture radius used for m2 6.97 " r (dist/Sun) 2.622 AU d (dist/Earth) 2.675 AU Right ascension 03 52 27.33 h m s Declination +29 48 31.9 ° ' " MPC report COD C10
CON J.-F. Soulier
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/4 reflector + CCD
NUM 3
ACK MPCReport file updated 2026.03.08 06:46:19
NET ATLAS2
AC2 jean-francois.soulier2@wanadoo.fr
0123P KC2026 03 07.79564 03 52 27.33 +29 48 31.9 18.1 r C10
0123P KC2026 03 07.81270 03 52 28.58 +29 48 35.7 17.9 r C10
0123P KC2026 03 07.82990 03 52 29.89 +29 48 39.9 18.0 r C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1200 mm Instrument focale/diameter 4 Filter(s) None Camera ST8 XME Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount F60a Axis Instruments Autoguide Yes Exposure details 30 x 120s Observatory MPC code C10 Location Seine et Marne Reference stars catalog ATLAS2
Used softwares Tycho Resulting picture sampling (scale) 1.55 "/pix Observation submission date 2026 Mar 08 06h58m39s Observation modification date 2026 Mar 08 07h16m28s