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Stellar Occultation by (238262) 2003 WC22 on 2024-11-01 (17:25:42 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] : 9963d0c0-ddb5-11f0-547e-a6c16f7f7756 [observed]

 Occultation Date + Time   : 2024-11-01 at 17:25:42 UT +/- 0.04 min  [1]
 Object Designation        : (238262) 2003 WC22
 Star Designation          : GDR3 0303601621723364096
 Star Coordinates (ICRF)   : RA = 01 43 38.6204, DE = +31 08 39.459  [2]
 Star Magnitudes           : G = 10.75 mag, RP = 10.21 mag, BP = 11.13 mag
 Object Magnitude          : V = 19.5 mag
 Estimated Magnitude Drop  : 8.8 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.8 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5483 arcs/min @ PA = 231 deg
 Horizontal Parallax       : 4.5370 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 163° (sunlit = 0%), Sun = 161°
 Cross-track uncertainty   : 5.0 mas = 7 km = 2.34 path-width (1-sig)
 RUWE and duplicate source : 1.32 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#39
 Note                      : FP:true

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


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