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Stellar Occultation by (666077) 2009 WM168 on 2025-11-15 (23:15:37 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] : b7a61040-ddb8-11f0-547e-219c13f75065 [observed]

 Occultation Date + Time   : 2025-11-15 at 23:15:37 UT +/- 0.26 min  [1]
 Object Designation        : (666077) 2009 WM168
 Star Designation          : GDR3 3379761584006650880
 Star Coordinates (ICRF)   : RA = 06 40 09.3743, DE = +23 18 38.649  [2]
 Star Magnitudes           : G = 10.77 mag, RP = 9.98 mag, BP = 11.44 mag
 Object Magnitude          : V = 21.86 mag
 Estimated Magnitude Drop  : 11.1 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 5.7 km/s
 Object Mean Diameter      : 1.60 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.1967 arcs/min @ PA = 295 deg
 Horizontal Parallax       : 3.6400 arcs
 Dynamical Class           : 
 Elongation to Moon & Sun  : 88° (sunlit = 16%), Sun = 135°
 Cross-track uncertainty   : 22.0 mas = 38 km = 24.09 path-width (1-sig)
 RUWE and duplicate source : 1.25 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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


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