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Stellar Occultation by (2266) Tchaikovsky on 2024-10-30 (22:22:36 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] : a1c69310-ddb5-11f0-547e-c1857fff1505 [observed] Occultation Date + Time : 2024-10-30 at 22:22:36 UT +/- 0.01 min [1] Object Designation : (2266) Tchaikovsky Star Designation : GDR3 3409671942412345600 Star Coordinates (ICRF) : RA = 04 40 41.5483, DE = +18 35 09.479 [2] Star Magnitudes : G = 14.78 mag, RP = 14.06 mag, BP = 15.35 mag Object Magnitude : V = 15.16 mag Estimated Magnitude Drop : 1.0 mag Estimated Max. Duration : 5.6 sec Speed of the shadow : 8.4 km/s Object Mean Diameter : 46.9 km (src: astorb) => apparent = 34 mas Apparent Motion : 0.3617 arcs/min @ PA = 224 deg Horizontal Parallax : 4.5990 arcs Dynamical Class : MBA Elongation to Moon & Sun : 129° (sunlit = 2%), Sun = 147° Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#71 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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