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Stellar Occultation by (226546) 2003 UK278 on 2023-05-30 (20:43:03 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] : a109e4b0-ddb3-11f0-547e-f2dcdd1fca11 [observed] Occultation Date + Time : 2023-05-30 at 20:43:03 UT +/- 52.88 min [1] Object Designation : (226546) 2003 UK278 Star Designation : GDR3 3698210353618935552 Star Coordinates (ICRF) : RA = 12 22 04.2626, DE = +00 05 06.644 [2] Star Magnitudes : G = 12.64 mag, RP = 12.18 mag, BP = 12.94 mag Object Magnitude : V = 20.77 mag Estimated Magnitude Drop : 8.1 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 6.7 km/s Object Mean Diameter : 2.9 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2150 arcs/min @ PA = 180 deg Horizontal Parallax : 3.3910 arcs Dynamical Class : MBA Elongation to Moon & Sun : 10° (sunlit = 80%), Sun = 116° Cross-track uncertainty : 10.0 mas = 18 km = 6.49 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#26 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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