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Stellar Occultation by (335490) 2005 XG5 on 2025-10-11 (18:09:35 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] : 8c4d4300-ddb8-11f0-547e-3833ebf857f8 [observed]

 Occultation Date + Time   : 2025-10-11 at 18:09:35 UT +/- 0.04 min  [1]
 Object Designation        : (335490) 2005 XG5
 Star Designation          : GDR3 0370699108354263424
 Star Coordinates (ICRF)   : RA = 01 04 29.0944, DE = +39 15 59.749  [2]
 Star Magnitudes           : G = 12.92 mag, RP = 12.6 mag, BP = 13.1 mag
 Object Magnitude          : V = 20.3 mag
 Estimated Magnitude Drop  : 7.4 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 18.6 km/s
 Object Mean Diameter      : 8.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3650 arcs/min @ PA = 269 deg
 Horizontal Parallax       : 2.0840 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 54° (sunlit = 72%), Sun = 148°
 Cross-track uncertainty   : 18.0 mas = 55 km = 6.89 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#25
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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