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Stellar Occultation by (226403) 2003 QT58 on 2023-09-15 (19:54:14 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] : 09935e30-ddb4-11f0-547e-db87e3ef167a [observed] Occultation Date + Time : 2023-09-15 at 19:54:14 UT +/- 0.01 min [1] Object Designation : (226403) 2003 QT58 Star Designation : GDR3 2404361488740960384 Star Coordinates (ICRF) : RA = 22 52 53.2901, DE = -16 51 14.886 [2] Star Magnitudes : G = 11.65 mag, RP = 11.17 mag, BP = 11.96 mag Object Magnitude : V = 19.73 mag Estimated Magnitude Drop : 8.1 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 12.0 km/s Object Mean Diameter : 2.9 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4900 arcs/min @ PA = 240 deg Horizontal Parallax : 4.3250 arcs Dynamical Class : MBA Elongation to Moon & Sun : 156° (sunlit = 1%), Sun = 163° Cross-track uncertainty : 1.3 mas = 1 km = 0.66 path-width (1-sig) RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#42 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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