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Stellar Occultation by (250855) 2005 UL263 on 2026-07-02 (23:19:43 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] : 184f8100-d9a9-11f1-43f3-3d2c776f44e1 [observed]

 Occultation Date + Time   : 2026-07-02 at 23:19:43 UT +/- 0.07 min  [1]
 Object Designation        : (250855) 2005 UL263
 Star Designation          : GDR3 4255274445200949376
 Star Coordinates (ICRF)   : RA = 18 48 48.9884, DE = -04 18 17.374  [2]
 Star Magnitudes           : G = 13.1 mag, RP = 12.2 mag, BP = 13.93 mag
 Object Magnitude          : V = 20.16 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.3 km/s
 Object Mean Diameter      : 2.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4800 arcs/min @ PA = 271 deg
 Horizontal Parallax       : 4.1610 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 37° (sunlit = 92%), Sun = 161°
 Cross-track uncertainty   : 20.0 mas = 30 km = 11.79 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL35
 Note                      : FP:true

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


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