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Stellar Occultation by (116352) 2003 YZ90 on 2023-09-20 (19:16:16 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] : 0e657fb0-ddb4-11f0-547e-6fd1eca7a708 [observed]

 Occultation Date + Time   : 2023-09-20 at 19:16:16 UT +/- 0.07 min  [1]
 Object Designation        : (116352) 2003 YZ90
 Star Designation          : GDR3 4197996628216479360
 Star Coordinates (ICRF)   : RA = 19 11 47.6308, DE = -12 40 32.887  [2]
 Star Magnitudes           : G = 8.33 mag, RP = 7.58 mag, BP = 8.94 mag
 Object Magnitude          : V = 21.18 mag
 Estimated Magnitude Drop  : 12.9 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 5.2 km/s
 Object Mean Diameter      : 3.5 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.1333 arcs/min @ PA = 125 deg
 Horizontal Parallax       : 2.7330 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 47° (sunlit = 29%), Sun = 110°
 Cross-track uncertainty   : 1.7 mas = 3 km = 1.13 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#47
 Note                      : FP:true

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


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