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Stellar Occultation by (28954) Feiyiou on 2025-09-30 (21:18:12 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] : 7acc5da0-ddb8-11f0-547e-a36dfcff3917 [observed] Occultation Date + Time : 2025-09-30 at 21:18:12 UT +/- 0.06 min [1] Object Designation : (28954) Feiyiou Star Designation : GDR3 0043545475121228672 Star Coordinates (ICRF) : RA = 03 53 45.6767, DE = +16 55 50.962 [2] Star Magnitudes : G = 7.95 mag, RP = 7.22 mag, BP = 8.52 mag Object Magnitude : V = 18.25 mag Estimated Magnitude Drop : 10.3 mag Estimated Max. Duration : 2.4 sec Speed of the shadow : 1.7 km/s Object Mean Diameter : 4.1 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.0950 arcs/min @ PA = 102 deg Horizontal Parallax : 5.9350 arcs Dynamical Class : MBA Elongation to Moon & Sun : 131° (sunlit = 59%), Sun = 128° Cross-track uncertainty : 1.3 mas = 1 km = 0.34 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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