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Stellar Occultation by (19933) 1981 EW5 on 2023-06-24 (21:36:18 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] : bcdadd70-ddb3-11f0-547e-bfdefeff738d [observed] Occultation Date + Time : 2023-06-24 at 21:36:18 UT +/- 0.0 min [1] Object Designation : (19933) 1981 EW5 Star Designation : GDR3 4253933350259319808 Star Coordinates (ICRF) : RA = 18 53 21.3489, DE = -06 27 25.523 [2] Star Magnitudes : G = 8.86 mag, RP = 8.17 mag, BP = 9.4 mag Object Magnitude : V = 18.11 mag Estimated Magnitude Drop : 9.2 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 12.4 km/s Object Mean Diameter : 5.3 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5667 arcs/min @ PA = 281 deg Horizontal Parallax : 4.8670 arcs Dynamical Class : MBA Elongation to Moon & Sun : 114° (sunlit = 36%), Sun = 161° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#51 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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