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Stellar Occultation by (114694) 2003 FC99 on 2023-09-30 (05:03:12 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] : 15b54b60-ddb4-11f0-547e-eb187ffe9c55 [observed] Occultation Date + Time : 2023-09-30 at 05:03:12 UT +/- 0.02 min [1] Object Designation : (114694) 2003 FC99 Star Designation : GDR3 3084301399207665152 Star Coordinates (ICRF) : RA = 07 59 50.7084, DE = +00 28 47.433 [2] Star Magnitudes : G = 9.15 mag, RP = 9.09 mag, BP = 9.17 mag Object Magnitude : V = 20.19 mag Estimated Magnitude Drop : 11.0 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 24.3 km/s Object Mean Diameter : 14.4 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.3333 arcs/min @ PA = 118 deg Horizontal Parallax : 1.4570 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 103° (sunlit = 99%), Sun = 66° Cross-track uncertainty : 0.3 mas = 1 km = 0.09 path-width (1-sig) RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#52 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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