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Stellar Occultation by (71645) 2000 EX109 on 2023-08-03 (21:55:44 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] : df709ff0-ddb3-11f0-547e-cbfafce35b24 [observed] Occultation Date + Time : 2023-08-03 at 21:55:44 UT +/- 0.01 min [1] Object Designation : (71645) 2000 EX109 Star Designation : GDR3 4149894437639085824 Star Coordinates (ICRF) : RA = 17 46 05.3839, DE = -13 07 24.259 [2] Star Magnitudes : G = 13.61 mag, RP = 12.96 mag, BP = 14.08 mag Object Magnitude : V = 19.39 mag Estimated Magnitude Drop : 5.8 mag Estimated Max. Duration : 1.0 sec Speed of the shadow : 5.4 km/s Object Mean Diameter : 5.1 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.1817 arcs/min @ PA = 254 deg Horizontal Parallax : 3.5690 arcs Dynamical Class : MBA Elongation to Moon & Sun : 76° (sunlit = 93%), Sun = 134° Cross-track uncertainty : 0.3 mas = 0 km = 0.11 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#52 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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