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Stellar Occultation by (1393) Sofala on 2023-04-26 (23:38:00 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] : 95ef0740-ddb3-11f0-547e-5c0ffa7db115 [observed] Occultation Date + Time : 2023-04-26 at 23:38:00 UT +/- 0.0 min [1] Object Designation : (1393) Sofala Star Designation : GDR3 3899182829858197888 Star Coordinates (ICRF) : RA = 11 59 23.9516, DE = +07 12 39.806 [2] Star Magnitudes : G = 12.02 mag, RP = 11.43 mag, BP = 12.45 mag Object Magnitude : V = 15.52 mag Estimated Magnitude Drop : 3.5 mag Estimated Max. Duration : 2.5 sec Speed of the shadow : 4.8 km/s Object Mean Diameter : 12.3 km (src: astorb) => apparent = 12 mas Apparent Motion : 0.2933 arcs/min @ PA = 257 deg Horizontal Parallax : 6.4380 arcs Dynamical Class : MBA Elongation to Moon & Sun : 60° (sunlit = 42%), Sun = 140° Cross-track uncertainty : 0.7 mas = 0 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#77 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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