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Stellar Occultation by (173717) 2001 QC152 on 2023-10-15 (18:11:38 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
Occultation UUID [and db] : 34b69c80-ddb4-11f0-547e-ffe4fff651b7 [observed] Occultation Date + Time : 2023-10-15 at 18:11:38 UT +/- 0.1 min [1] Object Designation : (173717) 2001 QC152 Star Designation : GDR3 1918330997979149312 Star Coordinates (ICRF) : RA = 23 10 46.5079, DE = +40 11 54.464 [2] Star Magnitudes : G = 13.44 mag, RP = 12.9 mag, BP = 13.8 mag Object Magnitude : V = 18.69 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 7.8 km/s Object Mean Diameter : 3.2 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.4350 arcs/min @ PA = 213 deg Horizontal Parallax : 5.9540 arcs Dynamical Class : MBA Elongation to Moon & Sun : 134° (sunlit = 1%), Sun = 137° Cross-track uncertainty : 22.3 mas = 23 km = 7.47 path-width (1-sig) RUWE and duplicate source : 1.52 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#20 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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