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Stellar Occultation by (94747) 2001 XB85 on 2024-07-16 (23:12:10 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] : 0238c7a0-ddb5-11f0-547e-d988e9f794c1 [observed] Occultation Date + Time : 2024-07-16 at 23:12:10 UT +/- 0.01 min [1] Object Designation : (94747) 2001 XB85 Star Designation : GDR3 4118985276079438464 Star Coordinates (ICRF) : RA = 17 48 09.6377, DE = -20 25 39.162 [2] Star Magnitudes : G = 11.01 mag, RP = 10.35 mag, BP = 11.5 mag Object Magnitude : V = 19.02 mag Estimated Magnitude Drop : 8.0 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 13.5 km/s Object Mean Diameter : 3.1 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.6750 arcs/min @ PA = 229 deg Horizontal Parallax : 5.3060 arcs Dynamical Class : MBA Elongation to Moon & Sun : 29° (sunlit = 78%), Sun = 152° Cross-track uncertainty : 1.7 mas = 2 km = 0.66 path-width (1-sig) RUWE and duplicate source : 0.69 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#38 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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