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Stellar Occultation by (16844) 1997 XY3 on 2024-09-02 (00:31:34 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] : a62cfa70-ddb5-11f0-547e-ead07cdfd7c6 [observed] Occultation Date + Time : 2024-09-02 at 00:31:34 UT +/- 0.0 min [1] Object Designation : (16844) 1997 XY3 Star Designation : GDR3 3395276925727934464 Star Coordinates (ICRF) : RA = 05 14 36.7882, DE = +17 51 54.376 [2] Star Magnitudes : G = 14.42 mag, RP = 13.75 mag, BP = 14.93 mag Object Magnitude : V = 19.21 mag Estimated Magnitude Drop : 4.8 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 21.6 km/s Object Mean Diameter : 5.9 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.6600 arcs/min @ PA = 90 deg Horizontal Parallax : 3.2490 arcs Dynamical Class : MBA Elongation to Moon & Sun : 70° (sunlit = 1%), Sun = 81° Cross-track uncertainty : 0.3 mas = 0 km = 0.10 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#55 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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