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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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