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Stellar Occultation by (17530) 1993 FZ23 on 2023-11-12 (21:27:50 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] : 37335c50-ddb4-11f0-547e-5385ebfdd36d [observed] Occultation Date + Time : 2023-11-12 at 21:27:50 UT +/- 0.0 min [1] Object Designation : (17530) 1993 FZ23 Star Designation : GDR3 0195531963862334720 Star Coordinates (ICRF) : RA = 05 36 11.3773, DE = +43 24 37.338 [2] Star Magnitudes : G = 13.72 mag, RP = 13.12 mag, BP = 14.15 mag Object Magnitude : V = 18.42 mag Estimated Magnitude Drop : 4.7 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 12.3 km/s Object Mean Diameter : 8.5 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.3967 arcs/min @ PA = 300 deg Horizontal Parallax : 3.4280 arcs Dynamical Class : MBA Elongation to Moon & Sun : 136° (sunlit = 0%), Sun = 140° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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