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Stellar Occultation by (103082) 1999 XO159 on 2023-08-19 (20:31:02 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] : f16b7040-ddb3-11f0-547e-20c9fffbc8e1 [observed] Occultation Date + Time : 2023-08-19 at 20:31:02 UT +/- 0.0 min [1] Object Designation : (103082) 1999 XO159 Star Designation : GDR3 2726923119037827584 Star Coordinates (ICRF) : RA = 21 56 42.3200, DE = +11 49 28.964 [2] Star Magnitudes : G = 11.0 mag, RP = 10.29 mag, BP = 11.56 mag Object Magnitude : V = 18.02 mag Estimated Magnitude Drop : 7.0 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 9.7 km/s Object Mean Diameter : 4.0 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5533 arcs/min @ PA = 265 deg Horizontal Parallax : 6.0700 arcs Dynamical Class : MBA Elongation to Moon & Sun : 143° (sunlit = 11%), Sun = 156° Cross-track uncertainty : 0.4 mas = 0 km = 0.11 path-width (1-sig) RUWE and duplicate source : 1.23 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#47 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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