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Stellar Occultation by (17667) 1996 XT5 on 2025-08-15 (20:40:00 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] : 40fb4c90-ddb7-11f0-547e-c02d3fe1b8b7 [observed]

 Occultation Date + Time   : 2025-08-15 at 20:40:00 UT +/- 0.01 min  [1]
 Object Designation        : (17667) 1996 XT5
 Star Designation          : GDR3 6871060165857853568
 Star Coordinates (ICRF)   : RA = 20 01 39.7565, DE = -16 43 18.393  [2]
 Star Magnitudes           : G = 13.8 mag, RP = 13.35 mag, BP = 14.09 mag
 Object Magnitude          : V = 18.27 mag
 Estimated Magnitude Drop  : 4.5 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 11.0 km/s
 Object Mean Diameter      : 6.8 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4133 arcs/min @ PA = 267 deg
 Horizontal Parallax       : 4.0020 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 109° (sunlit = 54%), Sun = 156°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.30 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL55
 Note                      : FP:true

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


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