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Stellar Occultation by (197392) 2003 YC23 on 2022-12-29 (01:35:26 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] : 405c2330-ddb3-11f0-547e-a4a1fefeabcd [observed] Occultation Date + Time : 2022-12-29 at 01:35:26 UT +/- 0.09 min [1] Object Designation : (197392) 2003 YC23 Star Designation : GDR3 3400419375971507968 Star Coordinates (ICRF) : RA = 05 29 38.8048, DE = +18 18 29.495 [2] Star Magnitudes : G = 12.69 mag, RP = 11.79 mag, BP = 13.54 mag Object Magnitude : V = 18.19 mag Estimated Magnitude Drop : 5.5 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 7.5 km/s Object Mean Diameter : 2.6 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5167 arcs/min @ PA = 289 deg Horizontal Parallax : 7.2820 arcs Dynamical Class : MBA Elongation to Moon & Sun : 88° (sunlit = 39%), Sun = 165° Cross-track uncertainty : 30.0 mas = 26 km = 10.11 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#38 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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