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Stellar Occultation by (111323) 2001 XS77 on 2024-10-23 (22:33:40 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] : 90ae5a90-ddb5-11f0-547e-48c7ffbb1584 [observed] Occultation Date + Time : 2024-10-23 at 22:33:40 UT +/- 0.01 min [1] Object Designation : (111323) 2001 XS77 Star Designation : GDR3 0032273625508483456 Star Coordinates (ICRF) : RA = 02 59 29.6704, DE = +14 24 05.397 [2] Star Magnitudes : G = 13.57 mag, RP = 13.06 mag, BP = 13.91 mag Object Magnitude : V = 19.67 mag Estimated Magnitude Drop : 6.1 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 10.3 km/s Object Mean Diameter : 2.1 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.5200 arcs/min @ PA = 246 deg Horizontal Parallax : 5.3480 arcs Dynamical Class : MBA Elongation to Moon & Sun : 70° (sunlit = 54%), Sun = 164° Cross-track uncertainty : 1.3 mas = 1 km = 0.74 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#33 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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