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Stellar Occultation by (1057) Wanda on 2023-05-30 (22:46:56 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] : a7056b00-ddb3-11f0-547e-6b07757a13da [observed]

 Occultation Date + Time   : 2023-05-30 at 22:46:56 UT +/- 0.0 min  [1]
 Object Designation        : (1057) Wanda
 Star Designation          : GDR3 4089934392111689088
 Star Coordinates (ICRF)   : RA = 18 26 30.5266, DE = -22 28 13.553  [2]
 Star Magnitudes           : G = 13.84 mag, RP = 12.73 mag, BP = 15.07 mag
 Object Magnitude          : V = 15.41 mag
 Estimated Magnitude Drop  : 1.8 mag
 Estimated Max. Duration   : 4.6 sec
 Speed of the shadow       : 8.8 km/s
 Object Mean Diameter      : 40.5 km  (src: astorb) => apparent = 28 mas
 Apparent Motion           : 0.3683 arcs/min @ PA = 275 deg
 Horizontal Parallax       : 4.4600 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 80° (sunlit = 80%), Sun = 153°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.9 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#73
 Note                      : FP:true

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


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