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Stellar Occultation by (257935) 2000 WK182 on 2025-12-22 (21:15:51 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] : 6d4bc500-d996-11f1-43f3-0ca8e7ced772 [observed]

 Occultation Date + Time   : 2025-12-22 at 21:15:51 UT +/- 0.05 min  [1]
 Object Designation        : (257935) 2000 WK182
 Star Designation          : GDR3 3044307046004370688
 Star Coordinates (ICRF)   : RA = 07 52 46.9993, DE = -05 41 21.524  [2]
 Star Magnitudes           : G = 12.59 mag, RP = 11.92 mag, BP = 13.11 mag
 Object Magnitude          : V = 18.48 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 7.9 km/s
 Object Mean Diameter      : 2.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5133 arcs/min @ PA = 311 deg
 Horizontal Parallax       : 6.9190 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 151° (sunlit = 7%), Sun = 141°
 Cross-track uncertainty   : 5.7 mas = 5 km = 1.88 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL38
 Note                      : FP:true

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


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