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Stellar Occultation by (4651) Wongkwancheng on 2025-08-26 (00:54:21 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] : 52476650-ddb7-11f0-547e-7a9add7ca318 [observed] Occultation Date + Time : 2025-08-26 at 00:54:21 UT +/- 0.0 min [1] Object Designation : (4651) Wongkwancheng Star Designation : GDR3 3367604558816029312 Star Coordinates (ICRF) : RA = 07 03 50.9654, DE = +21 11 29.731 [2] Star Magnitudes : G = 13.45 mag, RP = 12.98 mag, BP = 13.76 mag Object Magnitude : V = 18.79 mag Estimated Magnitude Drop : 5.4 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 37.3 km/s Object Mean Diameter : 7.9 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.9450 arcs/min @ PA = 97 deg Horizontal Parallax : 2.6970 arcs Dynamical Class : MBA Elongation to Moon & Sun : 81° (sunlit = 8%), Sun = 48° Cross-track uncertainty : 0.1 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#66 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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