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Stellar Occultation by (50170) 2000 AT158 on 2025-11-25 (22:26:42 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] : cd1323f0-ddb8-11f0-547e-14def91ffcb5 [observed] Occultation Date + Time : 2025-11-25 at 22:26:42 UT +/- 0.01 min [1] Object Designation : (50170) 2000 AT158 Star Designation : GDR3 3412019468456605184 Star Coordinates (ICRF) : RA = 04 52 56.8485, DE = +21 44 22.872 [2] Star Magnitudes : G = 13.54 mag, RP = 12.72 mag, BP = 14.25 mag Object Magnitude : V = 19.29 mag Estimated Magnitude Drop : 5.8 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 13.2 km/s Object Mean Diameter : 2.8 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.6100 arcs/min @ PA = 268 deg Horizontal Parallax : 4.9010 arcs Dynamical Class : MBA Elongation to Moon & Sun : 128° (sunlit = 27%), Sun = 169° Cross-track uncertainty : 0.7 mas = 0 km = 0.33 path-width (1-sig) RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#50 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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