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Stellar Occultation by (5223) McSween on 2024-10-24 (21:27:56 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] : 91347a80-ddb5-11f0-547e-6dd6cfed2aba [observed] Occultation Date + Time : 2024-10-24 at 21:27:56 UT +/- 0.01 min [1] Object Designation : (5223) McSween Star Designation : GDR3 0256710405739894400 Star Coordinates (ICRF) : RA = 04 24 03.9980, DE = +45 10 56.248 [2] Star Magnitudes : G = 10.86 mag, RP = 10.52 mag, BP = 11.06 mag Object Magnitude : V = 17.84 mag Estimated Magnitude Drop : 7.0 mag Estimated Max. Duration : 0.9 sec Speed of the shadow : 8.8 km/s Object Mean Diameter : 7.8 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.3583 arcs/min @ PA = 310 deg Horizontal Parallax : 4.3250 arcs Dynamical Class : MBA Elongation to Moon & Sun : 58° (sunlit = 44%), Sun = 135° Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.28 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#57 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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