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Stellar Occultation by (163498) 2002 SZ40 on 2024-09-15 (00:28:52 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] : 5f312240-ddb5-11f0-547e-05a1bfef63e6 [observed] Occultation Date + Time : 2024-09-15 at 00:28:52 UT +/- 0.1 min [1] Object Designation : (163498) 2002 SZ40 Star Designation : GDR3 2565341157962345856 Star Coordinates (ICRF) : RA = 01 30 23.6082, DE = +06 50 36.047 [2] Star Magnitudes : G = 11.51 mag, RP = 11.07 mag, BP = 11.78 mag Object Magnitude : V = 19.87 mag Estimated Magnitude Drop : 8.4 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 7.9 km/s Object Mean Diameter : 2.9 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3250 arcs/min @ PA = 244 deg Horizontal Parallax : 4.3610 arcs Dynamical Class : MBA Elongation to Moon & Sun : 74° (sunlit = 87%), Sun = 149° Cross-track uncertainty : 19.7 mas = 28 km = 9.94 path-width (1-sig) RUWE and duplicate source : 1.25 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#35 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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