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Stellar Occultation by (455452) 2003 SE307 on 2025-09-27 (23:29:39 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] : 76d755b0-ddb8-11f0-547e-f0075bbd1f6e [observed] Occultation Date + Time : 2025-09-27 at 23:29:39 UT +/- 0.17 min [1] Object Designation : (455452) 2003 SE307 Star Designation : GDR3 0347871120955240960 Star Coordinates (ICRF) : RA = 01 45 51.7717, DE = +42 50 19.658 [2] Star Magnitudes : G = 10.82 mag, RP = 10.47 mag, BP = 11.02 mag Object Magnitude : V = 18.91 mag Estimated Magnitude Drop : 8.1 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 8.1 km/s Object Mean Diameter : 1.90 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.6067 arcs/min @ PA = 336 deg Horizontal Parallax : 7.9760 arcs Dynamical Class : MBA Elongation to Moon & Sun : 141° (sunlit = 31%), Sun = 135° Cross-track uncertainty : 34.3 mas = 27 km = 14.44 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#35 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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