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Stellar Occultation by (79501) 1998 FN135 on 2023-05-31 (02:45:41 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] : a75d7610-ddb3-11f0-547e-eb59f3f9f7db [observed] Occultation Date + Time : 2023-05-31 at 02:45:41 UT +/- 0.02 min [1] Object Designation : (79501) 1998 FN135 Star Designation : GDR3 1739037313328113280 Star Coordinates (ICRF) : RA = 21 26 59.1270, DE = +06 35 24.073 [2] Star Magnitudes : G = 13.45 mag, RP = 12.83 mag, BP = 13.91 mag Object Magnitude : V = 20.64 mag Estimated Magnitude Drop : 7.2 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 10.0 km/s Object Mean Diameter : 4.4 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2567 arcs/min @ PA = 30 deg Horizontal Parallax : 2.7220 arcs Dynamical Class : MBA Elongation to Moon & Sun : 124° (sunlit = 82%), Sun = 102° Cross-track uncertainty : 2.0 mas = 4 km = 1.07 path-width (1-sig) RUWE and duplicate source : 1.01 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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