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Stellar Occultation by (66841) 1999 UA53 on 2024-08-06 (21:23:25 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] : 33757480-ddb5-11f0-547e-654cbf7fda5b [observed] Occultation Date + Time : 2024-08-06 at 21:23:25 UT +/- 0.03 min [1] Object Designation : (66841) 1999 UA53 Star Designation : GDR3 4338020018113125504 Star Coordinates (ICRF) : RA = 16 48 23.7206, DE = -08 47 25.510 [2] Star Magnitudes : G = 12.84 mag, RP = 12.17 mag, BP = 13.34 mag Object Magnitude : V = 19.58 mag Estimated Magnitude Drop : 6.8 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 7.2 km/s Object Mean Diameter : 3.9 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.2783 arcs/min @ PA = 159 deg Horizontal Parallax : 4.0940 arcs Dynamical Class : MBA Elongation to Moon & Sun : 89° (sunlit = 6%), Sun = 116° Cross-track uncertainty : 0.3 mas = 0 km = 0.12 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#53 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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