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Stellar Occultation by (23106) 1999 XM191 on 2026-08-23 (22:35:29 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] : 7d2723d0-d9ae-11f1-43f3-362ddf7f0602 [observed]

 Occultation Date + Time   : 2026-08-23 at 22:35:29 UT +/- 0.0 min  [1]
 Object Designation        : (23106) 1999 XM191
 Star Designation          : GDR3 2835288854768311936
 Star Coordinates (ICRF)   : RA = 22 55 20.1172, DE = +21 05 48.319  [2]
 Star Magnitudes           : G = 13.23 mag, RP = 12.55 mag, BP = 13.74 mag
 Object Magnitude          : V = 17.84 mag
 Estimated Magnitude Drop  : 4.6 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 12.9 km/s
 Object Mean Diameter      : 9.2 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.4683 arcs/min @ PA = 278 deg
 Horizontal Parallax       : 3.8480 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 75° (sunlit = 83%), Sun = 146°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.31 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL59
 Note                      : FP:true

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


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