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Stellar Occultation by (104815) 2000 HK50 on 2023-08-19 (02:28:08 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] : f01cf740-ddb3-11f0-547e-a367781e9c95 [observed] Occultation Date + Time : 2023-08-19 at 02:28:08 UT +/- 0.03 min [1] Object Designation : (104815) 2000 HK50 Star Designation : GDR3 2553250928103591808 Star Coordinates (ICRF) : RA = 00 59 07.2002, DE = +06 19 12.030 [2] Star Magnitudes : G = 13.92 mag, RP = 13.16 mag, BP = 14.52 mag Object Magnitude : V = 18.42 mag Estimated Magnitude Drop : 4.5 mag Estimated Max. Duration : 1.8 sec Speed of the shadow : 1.8 km/s Object Mean Diameter : 3.2 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.1100 arcs/min @ PA = 97 deg Horizontal Parallax : 6.6070 arcs Dynamical Class : MBA Elongation to Moon & Sun : 159° (sunlit = 7%), Sun = 130° Cross-track uncertainty : 1.4 mas = 1 km = 0.42 path-width (1-sig) RUWE and duplicate source : 2.6 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#46 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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