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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 : JPL#36 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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