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Stellar Occultation by (23021) 1999 WR3 on 2026-10-30 (21:56:14 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] : 3bb87b90-d9b5-11f1-43f3-4681f93f927d [observed]

 Occultation Date + Time   : 2026-10-30 at 21:56:14 UT +/- 0.01 min  [1]
 Object Designation        : (23021) 1999 WR3
 Star Designation          : GDR3 0023330850762999808
 Star Coordinates (ICRF)   : RA = 02 34 49.9312, DE = +09 44 38.504  [2]
 Star Magnitudes           : G = 14.9 mag, RP = 14.36 mag, BP = 15.27 mag
 Object Magnitude          : V = 17.19 mag
 Estimated Magnitude Drop  : 2.4 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 9.9 km/s
 Object Mean Diameter      : 5.0 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5667 arcs/min @ PA = 254 deg
 Horizontal Parallax       : 6.0640 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 63° (sunlit = 72%), Sun = 174°
 Cross-track uncertainty   : 2.0 mas = 2 km = 0.42 path-width (1-sig)
 RUWE and duplicate source : 1.2 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL50
 Note                      : FP:true

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


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