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Stellar Occultation by (71136) 1999 XV178 on 2025-09-07 (02:49:33 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] : 66a33110-ddb7-11f0-547e-81f83bfd1d18 [observed] Occultation Date + Time : 2025-09-07 at 02:49:33 UT +/- 0.02 min [1] Object Designation : (71136) 1999 XV178 Star Designation : GDR3 2456895192244278144 Star Coordinates (ICRF) : RA = 01 33 49.4049, DE = -13 23 54.208 [2] Star Magnitudes : G = 11.82 mag, RP = 11.41 mag, BP = 12.08 mag Object Magnitude : V = 19.3 mag Estimated Magnitude Drop : 7.5 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 9.7 km/s Object Mean Diameter : 4.8 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.3483 arcs/min @ PA = 228 deg Horizontal Parallax : 3.8180 arcs Dynamical Class : MBA Elongation to Moon & Sun : 44° (sunlit = 99%), Sun = 142° Cross-track uncertainty : 2.3 mas = 3 km = 0.80 path-width (1-sig) RUWE and duplicate source : 1.59 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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