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Stellar Occultation by (72742) 2001 FY108 on 2025-10-19 (20:14:34 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] : 95e9bdd0-ddb8-11f0-547e-ccfad77f9803 [observed] Occultation Date + Time : 2025-10-19 at 20:14:34 UT +/- 0.01 min [1] Object Designation : (72742) 2001 FY108 Star Designation : GDR3 0117760104812794880 Star Coordinates (ICRF) : RA = 03 26 46.1650, DE = +26 48 57.600 [2] Star Magnitudes : G = 14.12 mag, RP = 13.47 mag, BP = 14.61 mag Object Magnitude : V = 18.8 mag Estimated Magnitude Drop : 4.7 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 9.7 km/s Object Mean Diameter : 5.0 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.3817 arcs/min @ PA = 273 deg Horizontal Parallax : 4.1970 arcs Dynamical Class : MBA Elongation to Moon & Sun : 132° (sunlit = 3%), Sun = 150° Cross-track uncertainty : 1.3 mas = 1 km = 0.40 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#53 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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