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Stellar Occultation by (44559) 1999 CC38 on 2023-09-17 (22:16:07 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] : 0faec890-ddb4-11f0-547e-53023c7f1f6f [observed] Occultation Date + Time : 2023-09-17 at 22:16:07 UT +/- 0.01 min [1] Object Designation : (44559) 1999 CC38 Star Designation : GDR3 6882645719876108544 Star Coordinates (ICRF) : RA = 20 53 33.3970, DE = -17 55 55.193 [2] Star Magnitudes : G = 12.51 mag, RP = 12.04 mag, BP = 12.81 mag Object Magnitude : V = 18.66 mag Estimated Magnitude Drop : 6.2 mag Estimated Max. Duration : 1.1 sec Speed of the shadow : 4.5 km/s Object Mean Diameter : 5.0 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.1883 arcs/min @ PA = 225 deg Horizontal Parallax : 4.5000 arcs Dynamical Class : MBA Elongation to Moon & Sun : 104° (sunlit = 8%), Sun = 136° Cross-track uncertainty : 0.3 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#55 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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