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Stellar Occultation by (251519) 2008 FY123 on 2026-07-19 (01:30:58 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] : f188ad10-d9aa-11f1-43f3-86fb6ddf94f7 [observed]

 Occultation Date + Time   : 2026-07-19 at 01:30:58 UT +/- 0.1 min  [1]
 Object Designation        : (251519) 2008 FY123
 Star Designation          : GDR3 1821425227137516032
 Star Coordinates (ICRF)   : RA = 19 49 50.9424, DE = +17 39 15.718  [2]
 Star Magnitudes           : G = 12.49 mag, RP = 12.04 mag, BP = 12.73 mag
 Object Magnitude          : V = 20.44 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.0 km/s
 Object Mean Diameter      : 2.5 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4700 arcs/min @ PA = 248 deg
 Horizontal Parallax       : 4.1500 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 119° (sunlit = 27%), Sun = 141°
 Cross-track uncertainty   : 24.7 mas = 37 km = 15.18 path-width (1-sig)
 RUWE and duplicate source : 1.77 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL27
 Note                      : FP:true

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


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