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Stellar Occultation by (205601) 2001 TY256 on 2023-06-14 (23:25:26 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] : af5604e0-ddb3-11f0-547e-49219fd7b2c7 [observed] Occultation Date + Time : 2023-06-14 at 23:25:26 UT +/- 0.09 min [1] Object Designation : (205601) 2001 TY256 Star Designation : GDR3 4091837852905647232 Star Coordinates (ICRF) : RA = 18 32 28.3744, DE = -20 58 16.661 [2] Star Magnitudes : G = 14.35 mag, RP = 13.57 mag, BP = 14.9 mag Object Magnitude : V = 20.24 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 12.6 km/s Object Mean Diameter : 2.8 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4500 arcs/min @ PA = 256 deg Horizontal Parallax : 3.7980 arcs Dynamical Class : MBA Elongation to Moon & Sun : 128° (sunlit = 11%), Sun = 166° Cross-track uncertainty : 22.7 mas = 38 km = 13.61 path-width (1-sig) RUWE and duplicate source : 0.97 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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