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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       : JPL289
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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