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Stellar Occultation by (303942) 2005 WF85 on 2023-10-16 (21:52:46 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] : 29f3ca20-ddb4-11f0-547e-1a2f7bcf429b [observed] Occultation Date + Time : 2023-10-16 at 21:52:46 UT +/- 0.06 min [1] Object Designation : (303942) 2005 WF85 Star Designation : GDR3 0070487564451560064 Star Coordinates (ICRF) : RA = 03 50 55.6141, DE = +26 52 51.314 [2] Star Magnitudes : G = 12.51 mag, RP = 11.76 mag, BP = 13.14 mag Object Magnitude : V = 20.77 mag Estimated Magnitude Drop : 8.3 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 11.7 km/s Object Mean Diameter : 3.0 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3633 arcs/min @ PA = 294 deg Horizontal Parallax : 3.3000 arcs Dynamical Class : MBA Elongation to Moon & Sun : 166° (sunlit = 5%), Sun = 141° Cross-track uncertainty : 19.0 mas = 36 km = 12.24 path-width (1-sig) RUWE and duplicate source : 1.12 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#29 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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