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Stellar Occultation by (200133) 1997 WZ12 on 2023-08-24 (23:23:18 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] : f8a765d0-ddb3-11f0-547e-0e3aaff9f8ff [observed]

 Occultation Date + Time   : 2023-08-24 at 23:23:18 UT +/- 0.11 min  [1]
 Object Designation        : (200133) 1997 WZ12
 Star Designation          : GDR3 1843336775884381312
 Star Coordinates (ICRF)   : RA = 20 44 25.1199, DE = +24 40 57.392  [2]
 Star Magnitudes           : G = 13.51 mag, RP = 13.04 mag, BP = 13.8 mag
 Object Magnitude          : V = 19.51 mag
 Estimated Magnitude Drop  : 6.0 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 10.2 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4733 arcs/min @ PA = 230 deg
 Horizontal Parallax       : 4.9160 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 80° (sunlit = 56%), Sun = 138°
 Cross-track uncertainty   : 31.3 mas = 40 km = 13.54 path-width (1-sig)
 RUWE and duplicate source : 2.61 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL27
 Note                      : FP:true

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


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