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Stellar Occultation by (33305) 1998 KQ50 on 2023-12-23 (20:43:34 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] : 508bb3f0-ddb4-11f0-547e-d597bbfa83c1 [observed] Occultation Date + Time : 2023-12-23 at 20:43:34 UT +/- 0.04 min [1] Object Designation : (33305) 1998 KQ50 Star Designation : GDR3 2506255189792185728 Star Coordinates (ICRF) : RA = 02 03 36.8449, DE = -02 16 18.184 [2] Star Magnitudes : G = 13.71 mag, RP = 13.26 mag, BP = 14.0 mag Object Magnitude : V = 18.98 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 1.8 sec Speed of the shadow : 3.6 km/s Object Mean Diameter : 6.4 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.1183 arcs/min @ PA = 31 deg Horizontal Parallax : 3.5110 arcs Dynamical Class : MBA Elongation to Moon & Sun : 30° (sunlit = 89%), Sun = 115° Cross-track uncertainty : 0.3 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#51 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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