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Stellar Occultation by (111981) 2002 GW93 on 2025-09-06 (20:17:25 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] : 649fbff0-ddb7-11f0-547e-6ed2bfff7a24 [observed] Occultation Date + Time : 2025-09-06 at 20:17:25 UT +/- 0.03 min [1] Object Designation : (111981) 2002 GW93 Star Designation : GDR3 6859910396397182080 Star Coordinates (ICRF) : RA = 20 28 09.6968, DE = -19 30 43.396 [2] Star Magnitudes : G = 13.85 mag, RP = 13.2 mag, BP = 14.33 mag Object Magnitude : V = 19.55 mag Estimated Magnitude Drop : 5.7 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 5.5 km/s Object Mean Diameter : 3.8 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2117 arcs/min @ PA = 277 deg Horizontal Parallax : 4.0950 arcs Dynamical Class : MBA Elongation to Moon & Sun : 28° (sunlit = 99%), Sun = 140° Cross-track uncertainty : 2.0 mas = 3 km = 0.82 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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