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Stellar Occultation by (164400) 2005 GN59 on 2025-09-21 (19:09:28 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] : 6d42f130-ddb8-11f0-547e-7650763b219d [observed] Occultation Date + Time : 2025-09-21 at 19:09:28 UT +/- 0.06 min [1] Object Designation : (164400) 2005 GN59 Star Designation : GDR3 4211993754836428288 Star Coordinates (ICRF) : RA = 19 13 27.5744, DE = -05 53 46.864 [2] Star Magnitudes : G = 11.99 mag, RP = 11.09 mag, BP = 12.82 mag Object Magnitude : V = 17.84 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 2.9 km/s Object Mean Diameter : 1.20 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5700 arcs/min @ PA = 207 deg Horizontal Parallax : 20.5950 arcs Dynamical Class : NEO Elongation to Moon & Sun : 110° (sunlit = 0%), Sun = 109° Cross-track uncertainty : 17.7 mas = 5 km = 4.57 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#289 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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