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Stellar Occultation by (27156) 1998 YK22 on 2023-05-03 (23:12:45 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] : 93eccea0-ddb3-11f0-547e-8d1edfdbda0f [observed] Occultation Date + Time : 2023-05-03 at 23:12:45 UT +/- 0.0 min [1] Object Designation : (27156) 1998 YK22 Star Designation : GDR3 6043720890510103296 Star Coordinates (ICRF) : RA = 16 07 14.4172, DE = -25 30 30.362 [2] Star Magnitudes : G = 7.61 mag, RP = 6.45 mag, BP = 8.99 mag Object Magnitude : V = 18.94 mag Estimated Magnitude Drop : 11.3 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 10.2 km/s Object Mean Diameter : 3.4 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.4900 arcs/min @ PA = 286 deg Horizontal Parallax : 5.1320 arcs Dynamical Class : MBA Elongation to Moon & Sun : 43° (sunlit = 97%), Sun = 158° Cross-track uncertainty : 0.3 mas = 0 km = 0.11 path-width (1-sig) RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#47 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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