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Stellar Occultation by (317958) 2003 XG on 2025-09-14 (21:24:39 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] : 6dcc3ae0-ddb7-11f0-547e-b758fbb509d4 [observed] Occultation Date + Time : 2025-09-14 at 21:24:39 UT +/- 0.28 min [1] Object Designation : (317958) 2003 XG Star Designation : GDR3 2803667587547701120 Star Coordinates (ICRF) : RA = 01 00 28.9232, DE = +23 04 31.806 [2] Star Magnitudes : G = 14.33 mag, RP = 13.82 mag, BP = 14.66 mag Object Magnitude : V = 16.01 mag Estimated Magnitude Drop : 1.9 mag Estimated Max. Duration : 0.8 sec Speed of the shadow : 3.9 km/s Object Mean Diameter : 3.2 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.5400 arcs/min @ PA = 9 deg Horizontal Parallax : 14.6760 arcs Dynamical Class : MBA Elongation to Moon & Sun : 65° (sunlit = 45%), Sun = 146° Cross-track uncertainty : 23.7 mas = 10 km = 3.22 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#34 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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