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Stellar Occultation by (137687) 1999 XV55 on 2025-11-23 (00:17:12 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] : c1825330-ddb8-11f0-547e-83bbcfbe0047 [observed] Occultation Date + Time : 2025-11-23 at 00:17:12 UT +/- 0.07 min [1] Object Designation : (137687) 1999 XV55 Star Designation : GDR3 0110667769481014656 Star Coordinates (ICRF) : RA = 03 10 48.9778, DE = +23 21 03.363 [2] Star Magnitudes : G = 13.59 mag, RP = 13.0 mag, BP = 14.01 mag Object Magnitude : V = 18.15 mag Estimated Magnitude Drop : 4.6 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 7.5 km/s Object Mean Diameter : 1.80 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.6533 arcs/min @ PA = 229 deg Horizontal Parallax : 9.2420 arcs Dynamical Class : MBA Elongation to Moon & Sun : 141° (sunlit = 7%), Sun = 169° Cross-track uncertainty : 28.3 mas = 19 km = 10.85 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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