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Stellar Occultation by (265456) 2004 XU167 on 2025-12-09 (21:29:53 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] : d33b1170-ddb8-11f0-547e-42ccfda5ea34 [observed]

 Occultation Date + Time   : 2025-12-09 at 21:29:53 UT +/- 0.1 min  [1]
 Object Designation        : (265456) 2004 XU167
 Star Designation          : GDR3 2521776239527337856
 Star Coordinates (ICRF)   : RA = 02 13 43.2951, DE = +08 15 46.792  [2]
 Star Magnitudes           : G = 12.78 mag, RP = 12.2 mag, BP = 13.19 mag
 Object Magnitude          : V = 20.94 mag
 Estimated Magnitude Drop  : 8.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 6.6 km/s
 Object Mean Diameter      : 2.4 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.2233 arcs/min @ PA = 281 deg
 Horizontal Parallax       : 3.6170 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 111° (sunlit = 70%), Sun = 136°
 Cross-track uncertainty   : 19.3 mas = 34 km = 14.18 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#33
 Note                      : FP:true

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


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