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Stellar Occultation by (177081) 2003 FX52 on 2025-08-22 (00:21:43 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] : 4d10b6a0-ddb7-11f0-547e-db17bbbe869c [observed]

 Occultation Date + Time   : 2025-08-22 at 00:21:43 UT +/- 0.1 min  [1]
 Object Designation        : (177081) 2003 FX52
 Star Designation          : GDR3 4103426185688537984
 Star Coordinates (ICRF)   : RA = 18 38 17.5673, DE = -15 07 35.258  [2]
 Star Magnitudes           : G = 12.34 mag, RP = 11.44 mag, BP = 13.18 mag
 Object Magnitude          : V = 20.3 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 6.6 km/s
 Object Mean Diameter      : 3.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2300 arcs/min @ PA = 203 deg
 Horizontal Parallax       : 3.7170 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 144° (sunlit = 2%), Sun = 130°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.54 path-width (1-sig)
 RUWE and duplicate source : 0.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL36
 Note                      : FP:true

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


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