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Stellar Occultation by (50553) Dilles on 2023-07-09 (00:30:55 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] : c67a8c90-ddb3-11f0-547e-de686f7fb0eb [observed] Occultation Date + Time : 2023-07-09 at 00:30:55 UT +/- 0.0 min [1] Object Designation : (50553) Dilles Star Designation : GDR3 1735767876847406464 Star Coordinates (ICRF) : RA = 20 53 44.3828, DE = +06 05 25.786 [2] Star Magnitudes : G = 10.82 mag, RP = 10.09 mag, BP = 11.42 mag Object Magnitude : V = 18.34 mag Estimated Magnitude Drop : 7.5 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 7.0 km/s Object Mean Diameter : 3.9 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.3800 arcs/min @ PA = 294 deg Horizontal Parallax : 5.7900 arcs Dynamical Class : MBA Elongation to Moon & Sun : 51° (sunlit = 62%), Sun = 142° Cross-track uncertainty : 0.3 mas = 0 km = 0.08 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#44 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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