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Stellar Occultation by (14685) 1999 XM172 on 2025-10-09 (21:20:04 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] : 8a16db00-ddb8-11f0-547e-46bcbeeb0d97 [observed] Occultation Date + Time : 2025-10-09 at 21:20:04 UT +/- 0.0 min [1] Object Designation : (14685) 1999 XM172 Star Designation : GDR3 0295064910365732864 Star Coordinates (ICRF) : RA = 01 28 35.0250, DE = +25 16 13.945 [2] Star Magnitudes : G = 13.9 mag, RP = 13.4 mag, BP = 14.24 mag Object Magnitude : V = 17.81 mag Estimated Magnitude Drop : 3.9 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 12.4 km/s Object Mean Diameter : 7.8 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.4817 arcs/min @ PA = 258 deg Horizontal Parallax : 4.1340 arcs Dynamical Class : MBA Elongation to Moon & Sun : 27° (sunlit = 89%), Sun = 160° Cross-track uncertainty : 0.7 mas = 1 km = 0.14 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#66 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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