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Stellar Occultation by (31829) 1999 XT12 on 2023-07-07 (21:12:40 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] : c5c4aa10-ddb3-11f0-547e-a4079c76c0cf [observed] Occultation Date + Time : 2023-07-07 at 21:12:40 UT +/- 0.0 min [1] Object Designation : (31829) 1999 XT12 Star Designation : GDR3 4100408163712705408 Star Coordinates (ICRF) : RA = 18 44 38.5125, DE = -15 23 46.530 [2] Star Magnitudes : G = 13.42 mag, RP = 11.98 mag, BP = 16.02 mag Object Magnitude : V = 17.62 mag Estimated Magnitude Drop : 4.2 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 12.5 km/s Object Mean Diameter : 7.0 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.5250 arcs/min @ PA = 252 deg Horizontal Parallax : 4.4510 arcs Dynamical Class : MBA Elongation to Moon & Sun : 67° (sunlit = 74%), Sun = 171° Cross-track uncertainty : 0.4 mas = 0 km = 0.08 path-width (1-sig) RUWE and duplicate source : 0.86 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#63 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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