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Stellar Occultation by (310432) 1999 XN226 on 2023-10-03 (03:31:44 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] : 1a695d90-ddb4-11f0-547e-ce51ffbe330d [observed] Occultation Date + Time : 2023-10-03 at 03:31:44 UT +/- 0.07 min [1] Object Designation : (310432) 1999 XN226 Star Designation : GDR3 0886687893658208896 Star Coordinates (ICRF) : RA = 07 19 44.8295, DE = +30 34 45.311 [2] Star Magnitudes : G = 10.56 mag, RP = 9.81 mag, BP = 11.18 mag Object Magnitude : V = 20.57 mag Estimated Magnitude Drop : 10.0 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 16.0 km/s Object Mean Diameter : 9.3 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.2617 arcs/min @ PA = 101 deg Horizontal Parallax : 1.7340 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 48° (sunlit = 83%), Sun = 83° Cross-track uncertainty : 18.3 mas = 67 km = 7.24 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#27 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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