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Stellar Occultation by (176407) 2001 UK178 on 2024-12-15 (20:31:34 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] : befdab80-ddb5-11f0-547e-df7e7dffd397 [observed]

 Occultation Date + Time   : 2024-12-15 at 20:31:34 UT +/- 0.01 min  [1]
 Object Designation        : (176407) 2001 UK178
 Star Designation          : GDR3 3445383564686715264
 Star Coordinates (ICRF)   : RA = 05 25 33.3746, DE = +28 19 28.116  [2]
 Star Magnitudes           : G = 10.36 mag, RP = 9.52 mag, BP = 11.1 mag
 Object Magnitude          : V = 18.79 mag
 Estimated Magnitude Drop  : 8.4 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.5 km/s
 Object Mean Diameter      : 2.8 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.6450 arcs/min @ PA = 285 deg
 Horizontal Parallax       : 5.4760 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 8° (sunlit = 100%), Sun = 175°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.54 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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


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