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Stellar Occultation by (38600) 1999 XR213 on 2023-12-25 (21:33:51 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] : 4d519790-ddb4-11f0-547e-3bef7f5e4e58 [observed] Occultation Date + Time : 2023-12-25 at 21:33:51 UT +/- 0.04 min [1] Object Designation : (38600) 1999 XR213 Star Designation : GDR3 3374540862279158656 Star Coordinates (ICRF) : RA = 06 06 54.7532, DE = +19 22 29.783 [2] Star Magnitudes : G = 9.49 mag, RP = 8.79 mag, BP = 10.03 mag Object Magnitude : V = 18.47 mag Estimated Magnitude Drop : 9.0 mag Estimated Max. Duration : 0.9 sec Speed of the shadow : 17.0 km/s Object Mean Diameter : 14.8 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.3517 arcs/min @ PA = 278 deg Horizontal Parallax : 2.1900 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 14° (sunlit = 99%), Sun = 175° Cross-track uncertainty : 2.0 mas = 5 km = 0.39 path-width (1-sig) RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#51 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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