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Stellar Occultation by (364108) 2005 YA285 on 2025-09-15 (21:26:31 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] : 74d9a660-ddb7-11f0-547e-d085bdc9fbcb [observed] Occultation Date + Time : 2025-09-15 at 21:26:31 UT +/- 0.08 min [1] Object Designation : (364108) 2005 YA285 Star Designation : GDR3 2482080777388000256 Star Coordinates (ICRF) : RA = 01 24 05.4584, DE = -05 27 22.386 [2] Star Magnitudes : G = 10.79 mag, RP = 10.35 mag, BP = 11.07 mag Object Magnitude : V = 20.47 mag Estimated Magnitude Drop : 9.7 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 11.0 km/s Object Mean Diameter : 2.3 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4333 arcs/min @ PA = 228 deg Horizontal Parallax : 4.1950 arcs Dynamical Class : MBA Elongation to Moon & Sun : 86° (sunlit = 34%), Sun = 153° Cross-track uncertainty : 19.7 mas = 29 km = 13.02 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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