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Stellar Occultation by (13856) 1999 XZ105 on 2025-11-30 (22:20:19 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] : ca7aece0-ddb8-11f0-547e-e5c8d8bf02b9 [observed]

 Occultation Date + Time   : 2025-11-30 at 22:20:19 UT +/- 0.01 min  [1]
 Object Designation        : (13856) 1999 XZ105
 Star Designation          : GDR3 3407542291469027712
 Star Coordinates (ICRF)   : RA = 05 09 08.3209, DE = +18 24 17.668  [2]
 Star Magnitudes           : G = 13.95 mag, RP = 13.15 mag, BP = 14.63 mag
 Object Magnitude          : V = 15.96 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 10.3 km/s
 Object Mean Diameter      : 8.1 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.6467 arcs/min @ PA = 243 deg
 Horizontal Parallax       : 6.6410 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 66° (sunlit = 78%), Sun = 170°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#64
 Note                      : FP:true

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


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