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Stellar Occultation by (17530) 1993 FZ23 on 2023-11-12 (21:27:50 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] : 37335c50-ddb4-11f0-547e-5385ebfdd36d [observed]

 Occultation Date + Time   : 2023-11-12 at 21:27:50 UT +/- 0.0 min  [1]
 Object Designation        : (17530) 1993 FZ23
 Star Designation          : GDR3 0195531963862334720
 Star Coordinates (ICRF)   : RA = 05 36 11.3773, DE = +43 24 37.338  [2]
 Star Magnitudes           : G = 13.72 mag, RP = 13.12 mag, BP = 14.15 mag
 Object Magnitude          : V = 18.42 mag
 Estimated Magnitude Drop  : 4.7 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 12.3 km/s
 Object Mean Diameter      : 8.5 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3967 arcs/min @ PA = 300 deg
 Horizontal Parallax       : 3.4280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 136° (sunlit = 0%), Sun = 140°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL54
 Note                      : FP:true

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


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