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Stellar Occultation by (176407) 2001 UK178 on 2024-12-15 (20:31:34 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] : befdab80-ddb5-11f0-547e-df7e7dffd397 [observed] Occultation Date + Time : 2024-12-15 at 20:31:34 UT +/- 0.01 min [1] Object Designation : (176407) 2001 UK178 Star Designation : GDR3 3445383564686715264 Star Coordinates (ICRF) : RA = 05 25 33.3746, DE = +28 19 28.116 [2] Star Magnitudes : G = 10.36 mag, RP = 9.52 mag, BP = 11.1 mag Object Magnitude : V = 18.79 mag Estimated Magnitude Drop : 8.4 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 12.5 km/s Object Mean Diameter : 2.8 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.6450 arcs/min @ PA = 285 deg Horizontal Parallax : 5.4760 arcs Dynamical Class : MBA Elongation to Moon & Sun : 8° (sunlit = 100%), Sun = 175° Cross-track uncertainty : 1.3 mas = 1 km = 0.54 path-width (1-sig) RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#37 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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