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Stellar Occultation by (15519) 1999 XW on 2023-04-22 (22:04:22 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] : 91ad8d00-ddb3-11f0-547e-a925e67b761b [observed]

 Occultation Date + Time   : 2023-04-22 at 22:04:22 UT +/- 0.0 min  [1]
 Object Designation        : (15519) 1999 XW
 Star Designation          : GDR3 3436696151515784320
 Star Coordinates (ICRF)   : RA = 06 11 23.6517, DE = +29 04 55.883  [2]
 Star Magnitudes           : G = 11.14 mag, RP = 10.39 mag, BP = 11.5 mag
 Object Magnitude          : V = 18.64 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 31.1 km/s
 Object Mean Diameter      : 10.0 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.7533 arcs/min @ PA = 89 deg
 Horizontal Parallax       : 2.5810 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 26° (sunlit = 9%), Sun = 60°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.96 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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