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Stellar Occultation by (29580) 1998 FK55 on 2023-07-19 (22:40:33 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] : d15ca6c0-ddb3-11f0-547e-e9ddbfe9f6c7 [observed] Occultation Date + Time : 2023-07-19 at 22:40:33 UT +/- 0.0 min [1] Object Designation : (29580) 1998 FK55 Star Designation : GDR3 4238317849905670784 Star Coordinates (ICRF) : RA = 19 41 22.6552, DE = -00 56 32.813 [2] Star Magnitudes : G = 13.4 mag, RP = 12.51 mag, BP = 14.22 mag Object Magnitude : V = 18.29 mag Estimated Magnitude Drop : 4.9 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 14.2 km/s Object Mean Diameter : 8.0 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.4717 arcs/min @ PA = 251 deg Horizontal Parallax : 3.5300 arcs Dynamical Class : MBA Elongation to Moon & Sun : 146° (sunlit = 4%), Sun = 160° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#64 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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