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Stellar Occultation by (63123) 2000 WB174 on 2025-09-18 (20:41:36 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] : 7398c1f0-ddb7-11f0-547e-e9c1bf2dddcc [observed] Occultation Date + Time : 2025-09-18 at 20:41:36 UT +/- 0.04 min [1] Object Designation : (63123) 2000 WB174 Star Designation : GDR3 4197545106899595520 Star Coordinates (ICRF) : RA = 19 11 57.4718, DE = -13 16 01.316 [2] Star Magnitudes : G = 13.84 mag, RP = 13.31 mag, BP = 14.19 mag Object Magnitude : V = 20.33 mag Estimated Magnitude Drop : 6.5 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 7.9 km/s Object Mean Diameter : 3.4 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2633 arcs/min @ PA = 134 deg Horizontal Parallax : 3.5170 arcs Dynamical Class : MBA Elongation to Moon & Sun : 144° (sunlit = 9%), Sun = 111° Cross-track uncertainty : 0.4 mas = 0 km = 0.21 path-width (1-sig) RUWE and duplicate source : 1.32 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#44 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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