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Stellar Occultation by (1817) Katanga on 2023-06-23 (01:10:14 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] : bb637fb0-ddb3-11f0-547e-531dfdbfa62e [observed] Occultation Date + Time : 2023-06-23 at 01:10:14 UT +/- 0.0 min [1] Object Designation : (1817) Katanga Star Designation : GDR3 4121939521958928896 Star Coordinates (ICRF) : RA = 17 20 23.0586, DE = -20 27 53.919 [2] Star Magnitudes : G = 14.18 mag, RP = 13.21 mag, BP = 15.14 mag Object Magnitude : V = 13.21 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 1.2 sec Speed of the shadow : 13.0 km/s Object Mean Diameter : 15.9 km (src: astorb) => apparent = 23 mas Apparent Motion : 1.1033 arcs/min @ PA = 223 deg Horizontal Parallax : 9.0370 arcs Dynamical Class : MBA Elongation to Moon & Sun : 115° (sunlit = 21%), Sun = 169° Cross-track uncertainty : 1.0 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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