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Stellar Occultation by (266669) 2008 XR11 on 2025-08-23 (23:41:28 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] : 500abcc0-ddb7-11f0-547e-526abbe1e191 [observed]

 Occultation Date + Time   : 2025-08-23 at 23:41:28 UT +/- 1.21 min  [1]
 Object Designation        : (266669) 2008 XR11
 Star Designation          : GDR3 4097651756777915776
 Star Coordinates (ICRF)   : RA = 18 16 18.0392, DE = -16 25 49.282  [2]
 Star Magnitudes           : G = 12.26 mag, RP = 11.92 mag, BP = 12.46 mag
 Object Magnitude          : V = 21.55 mag
 Estimated Magnitude Drop  : 9.3 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 4.2 km/s
 Object Mean Diameter      : 1.60 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.1583 arcs/min @ PA = 189 deg
 Horizontal Parallax       : 4.0070 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 114° (sunlit = 1%), Sun = 123°
 Cross-track uncertainty   : 22.7 mas = 36 km = 22.58 path-width (1-sig)
 RUWE and duplicate source : 0.87 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#28
 Note                      : FP:true

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


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