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Stellar Occultation by (103496) 2000 AR239 on 2023-05-08 (22:17:10 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] : 9579b030-ddb3-11f0-547e-d587ed3d0a76 [observed]

 Occultation Date + Time   : 2023-05-08 at 22:17:10 UT +/- 0.02 min  [1]
 Object Designation        : (103496) 2000 AR239
 Star Designation          : GDR3 4018614501582013312
 Star Coordinates (ICRF)   : RA = 11 34 30.3892, DE = +27 46 04.754  [2]
 Star Magnitudes           : G = 9.12 mag, RP = 8.7 mag, BP = 9.28 mag
 Object Magnitude          : V = 18.34 mag
 Estimated Magnitude Drop  : 9.2 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 8.6 km/s
 Object Mean Diameter      : 4.4 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4433 arcs/min @ PA = 150 deg
 Horizontal Parallax       : 5.4830 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 107° (sunlit = 88%), Sun = 112°
 Cross-track uncertainty   : 3.6 mas = 4 km = 0.95 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL50
 Note                      : FP:true

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


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