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Stellar Occultation by (1241) Dysona on 2024-10-21 (18:57:06 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] : 8af9a140-ddb5-11f0-547e-d5f5ec5f2473 [observed] Occultation Date + Time : 2024-10-21 at 18:57:06 UT +/- 0.0 min [1] Object Designation : (1241) Dysona Star Designation : GDR3 6765599374208539776 Star Coordinates (ICRF) : RA = 19 25 32.1813, DE = -27 46 59.927 [2] Star Magnitudes : G = 14.02 mag, RP = 13.52 mag, BP = 14.36 mag Object Magnitude : V = 15.32 mag Estimated Magnitude Drop : 1.6 mag Estimated Max. Duration : 3.5 sec Speed of the shadow : 23.7 km/s Object Mean Diameter : 83.0 km (src: astorb) => apparent = 40 mas Apparent Motion : 0.6800 arcs/min @ PA = 58 deg Horizontal Parallax : 3.0430 arcs Dynamical Class : MBA Elongation to Moon & Sun : 159° (sunlit = 76%), Sun = 80° Cross-track uncertainty : 0.7 mas = 1 km = 0.02 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#81 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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