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Stellar Occultation by (409135) 2003 UK52 on 2024-08-31 (19:41:38 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] : 536da8c0-ddb5-11f0-547e-79b9f5ee1181 [observed]

 Occultation Date + Time   : 2024-08-31 at 19:41:38 UT +/- 0.38 min  [1]
 Object Designation        : (409135) 2003 UK52
 Star Designation          : GDR3 4272999916968311552
 Star Coordinates (ICRF)   : RA = 18 32 28.0534, DE = +00 13 42.020  [2]
 Star Magnitudes           : G = 11.9 mag, RP = 11.36 mag, BP = 12.26 mag
 Object Magnitude          : V = 20.24 mag
 Estimated Magnitude Drop  : 8.3 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 5.2 km/s
 Object Mean Diameter      : 2.8 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2000 arcs/min @ PA = 157 deg
 Horizontal Parallax       : 4.1150 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 136° (sunlit = 5%), Sun = 117°
 Cross-track uncertainty   : 24.3 mas = 37 km = 13.45 path-width (1-sig)
 RUWE and duplicate source : 0.87 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#31
 Note                      : FP:true

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


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