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Stellar Occultation by (40864) 1999 TO115 on 2023-05-29 (20:58:18 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] : a6583b10-ddb3-11f0-547e-e841fc9ad2cd [observed] Occultation Date + Time : 2023-05-29 at 20:58:18 UT +/- 0.0 min [1] Object Designation : (40864) 1999 TO115 Star Designation : GDR3 0616229817297650560 Star Coordinates (ICRF) : RA = 09 46 59.5738, DE = +14 25 42.645 [2] Star Magnitudes : G = 11.41 mag, RP = 10.95 mag, BP = 11.71 mag Object Magnitude : V = 20.05 mag Estimated Magnitude Drop : 8.7 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 23.3 km/s Object Mean Diameter : 5.0 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.6133 arcs/min @ PA = 117 deg Horizontal Parallax : 2.7980 arcs Dynamical Class : MBA Elongation to Moon & Sun : 39° (sunlit = 71%), Sun = 76° Cross-track uncertainty : 1.3 mas = 2 km = 0.59 path-width (1-sig) RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#44 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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