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Stellar Occultation by (116432) 2003 YM153 on 2023-08-24 (21:22:53 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] : 05bf4bc0-ddb4-11f0-547e-4b6adff7ae3c [observed] Occultation Date + Time : 2023-08-24 at 21:22:53 UT +/- 0.0 min [1] Object Designation : (116432) 2003 YM153 Star Designation : GDR3 6915222870722087424 Star Coordinates (ICRF) : RA = 20 48 10.4832, DE = -02 55 25.775 [2] Star Magnitudes : G = 11.84 mag, RP = 11.19 mag, BP = 12.0 mag Object Magnitude : V = 19.62 mag Estimated Magnitude Drop : 7.8 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 15.6 km/s Object Mean Diameter : 5.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.4550 arcs/min @ PA = 263 deg Horizontal Parallax : 3.0930 arcs Dynamical Class : MBA Elongation to Moon & Sun : 68° (sunlit = 55%), Sun = 157° Cross-track uncertainty : 1.7 mas = 3 km = 0.64 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#50 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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