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Stellar Occultation by (241635) 1999 XQ on 2026-10-01 (23:07:46 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] : 8946a330-d9b2-11f1-43f3-3441bd7dec86 [observed]

 Occultation Date + Time   : 2026-10-01 at 23:07:46 UT +/- 0.19 min  [1]
 Object Designation        : (241635) 1999 XQ
 Star Designation          : GDR3 3290007998856107648
 Star Coordinates (ICRF)   : RA = 05 02 46.1842, DE = +08 05 13.724  [2]
 Star Magnitudes           : G = 13.09 mag, RP = 12.56 mag, BP = 13.44 mag
 Object Magnitude          : V = 20.95 mag
 Estimated Magnitude Drop  : 7.9 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 3.9 km/s
 Object Mean Diameter      : 3.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.1133 arcs/min @ PA = 131 deg
 Horizontal Parallax       : 3.0460 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 20° (sunlit = 68%), Sun = 113°
 Cross-track uncertainty   : 6.0 mas = 12 km = 3.93 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL34
 Note                      : FP:true

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


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