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Stellar Occultation by (348085) 2003 WF100 on 2025-10-06 (05:19:22 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] : 843c9850-ddb8-11f0-547e-f1e8f83df528 [observed] Occultation Date + Time : 2025-10-06 at 05:19:22 UT +/- 0.09 min [1] Object Designation : (348085) 2003 WF100 Star Designation : GDR3 0157511985644201216 Star Coordinates (ICRF) : RA = 05 03 36.7470, DE = +31 47 21.642 [2] Star Magnitudes : G = 13.36 mag, RP = 12.7 mag, BP = 13.84 mag Object Magnitude : V = 19.45 mag Estimated Magnitude Drop : 6.1 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 5.3 km/s Object Mean Diameter : 2.2 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3100 arcs/min @ PA = 110 deg Horizontal Parallax : 6.2810 arcs Dynamical Class : MBA Elongation to Moon & Sun : 78° (sunlit = 99%), Sun = 115° Cross-track uncertainty : 7.0 mas = 7 km = 3.23 path-width (1-sig) RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#28 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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