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Stellar Occultation by (66841) 1999 UA53 on 2024-08-06 (21:23:25 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] : 33757480-ddb5-11f0-547e-654cbf7fda5b [observed]

 Occultation Date + Time   : 2024-08-06 at 21:23:25 UT +/- 0.03 min  [1]
 Object Designation        : (66841) 1999 UA53
 Star Designation          : GDR3 4338020018113125504
 Star Coordinates (ICRF)   : RA = 16 48 23.7206, DE = -08 47 25.510  [2]
 Star Magnitudes           : G = 12.84 mag, RP = 12.17 mag, BP = 13.34 mag
 Object Magnitude          : V = 19.58 mag
 Estimated Magnitude Drop  : 6.8 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 7.2 km/s
 Object Mean Diameter      : 3.9 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2783 arcs/min @ PA = 159 deg
 Horizontal Parallax       : 4.0940 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 89° (sunlit = 6%), Sun = 116°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.12 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#53
 Note                      : FP:true

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


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