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Stellar Occultation by (200133) 1997 WZ12 on 2023-09-10 (22:41:52 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] : 16d95900-ddb4-11f0-547e-d8bdefee1feb [observed] Occultation Date + Time : 2023-09-10 at 22:41:52 UT +/- 0.24 min [1] Object Designation : (200133) 1997 WZ12 Star Designation : GDR3 1818518741165831168 Star Coordinates (ICRF) : RA = 20 36 24.2295, DE = +22 02 00.528 [2] Star Magnitudes : G = 11.02 mag, RP = 10.85 mag, BP = 11.05 mag Object Magnitude : V = 19.59 mag Estimated Magnitude Drop : 8.6 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 10.8 km/s Object Mean Diameter : 3.0 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4883 arcs/min @ PA = 199 deg Horizontal Parallax : 4.8140 arcs Dynamical Class : MBA Elongation to Moon & Sun : 133° (sunlit = 15%), Sun = 133° Cross-track uncertainty : 31.0 mas = 41 km = 13.69 path-width (1-sig) RUWE and duplicate source : 1.13 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#27 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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