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Stellar Occultation by (75565) 2000 AY on 2023-09-25 (20:59:29 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] : 140d19a0-ddb4-11f0-547e-92fc6dd5e639 [observed]

 Occultation Date + Time   : 2023-09-25 at 20:59:29 UT +/- 0.04 min  [1]
 Object Designation        : (75565) 2000 AY
 Star Designation          : GDR3 2743563402891456256
 Star Coordinates (ICRF)   : RA = 23 51 36.1696, DE = +04 31 40.300  [2]
 Star Magnitudes           : G = 11.03 mag, RP = 10.33 mag, BP = 11.58 mag
 Object Magnitude          : V = 19.23 mag
 Estimated Magnitude Drop  : 8.2 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 11.5 km/s
 Object Mean Diameter      : 2.4 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5767 arcs/min @ PA = 248 deg
 Horizontal Parallax       : 5.3320 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 48° (sunlit = 83%), Sun = 174°
 Cross-track uncertainty   : 19.7 mas = 23 km = 9.82 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#33
 Note                      : FP:true

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


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