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Stellar Occultation by (208274) 2000 YR56 on 2025-09-26 (19:20:12 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] : 767a8fb0-ddb8-11f0-547e-57ff9ffdc9e1 [observed]

 Occultation Date + Time   : 2025-09-26 at 19:20:12 UT +/- 0.11 min  [1]
 Object Designation        : (208274) 2000 YR56
 Star Designation          : GDR3 6863651519070760192
 Star Coordinates (ICRF)   : RA = 19 54 50.8312, DE = -23 34 01.618  [2]
 Star Magnitudes           : G = 10.41 mag, RP = 9.46 mag, BP = 11.36 mag
 Object Magnitude          : V = 21.87 mag
 Estimated Magnitude Drop  : 11.5 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 4.7 km/s
 Object Mean Diameter      : 1.30 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.1850 arcs/min @ PA = 72 deg
 Horizontal Parallax       : 4.2110 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 57° (sunlit = 21%), Sun = 112°
 Cross-track uncertainty   : 15.3 mas = 23 km = 17.83 path-width (1-sig)
 RUWE and duplicate source : 1.21 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#28
 Note                      : FP:true

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


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