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Stellar Occultation by (67140) 2000 AD166 on 2025-08-15 (21:50:20 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] : 42c6e4d0-ddb7-11f0-547e-bdb9c4ddd241 [observed]

 Occultation Date + Time   : 2025-08-15 at 21:50:20 UT +/- 0.01 min  [1]
 Object Designation        : (67140) 2000 AD166
 Star Designation          : GDR3 4203324518041623168
 Star Coordinates (ICRF)   : RA = 18 47 59.2122, DE = -09 34 59.938  [2]
 Star Magnitudes           : G = 13.66 mag, RP = 12.63 mag, BP = 14.75 mag
 Object Magnitude          : V = 19.11 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 12.9 km/s
 Object Mean Diameter      : 7.1 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3833 arcs/min @ PA = 218 deg
 Horizontal Parallax       : 3.1430 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 125° (sunlit = 54%), Sun = 137°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.20 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52
 Note                      : FP:true

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


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