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Stellar Occultation by (83133) 2001 QX259 on 2026-09-23 (18:10:45 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] : 896a9b60-d9b1-11f1-43f3-0a25f8be971a [observed]

 Occultation Date + Time   : 2026-09-23 at 18:10:45 UT +/- 0.01 min  [1]
 Object Designation        : (83133) 2001 QX259
 Star Designation          : GDR3 4145299058809963392
 Star Coordinates (ICRF)   : RA = 17 57 58.5529, DE = -15 55 38.883  [2]
 Star Magnitudes           : G = 12.26 mag, RP = 11.39 mag, BP = 13.05 mag
 Object Magnitude          : V = 19.98 mag
 Estimated Magnitude Drop  : 7.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 17.0 km/s
 Object Mean Diameter      : 4.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5317 arcs/min @ PA = 97 deg
 Horizontal Parallax       : 3.3170 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 56° (sunlit = 91%), Sun = 89°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.32 path-width (1-sig)
 RUWE and duplicate source : 0.84 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL42
 Note                      : FP:true

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


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