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Stellar Occultation by (134503) 1999 CO91 on 2024-11-03 (16:34:17 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] : 99747290-ddb5-11f0-547e-710b1bdbcc71 [observed] Occultation Date + Time : 2024-11-03 at 16:34:17 UT +/- 0.04 min [1] Object Designation : (134503) 1999 CO91 Star Designation : GDR3 2706922276678925312 Star Coordinates (ICRF) : RA = 22 22 25.3576, DE = +03 54 35.726 [2] Star Magnitudes : G = 12.52 mag, RP = 11.94 mag, BP = 12.94 mag Object Magnitude : V = 18.69 mag Estimated Magnitude Drop : 6.2 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 5.0 km/s Object Mean Diameter : 2.9 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.3067 arcs/min @ PA = 69 deg Horizontal Parallax : 6.5170 arcs Dynamical Class : MBA Elongation to Moon & Sun : 94° (sunlit = 4%), Sun = 116° Cross-track uncertainty : 10.3 mas = 10 km = 3.48 path-width (1-sig) RUWE and duplicate source : 4.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#29 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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