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Stellar Occultation by (262391) 2006 UK9 on 2023-05-27 (23:20:04 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] : 9e74bae0-ddb3-11f0-547e-2c3fb6ef84a2 [observed]

 Occultation Date + Time   : 2023-05-27 at 23:20:04 UT +/- 0.15 min  [1]
 Object Designation        : (262391) 2006 UK9
 Star Designation          : GDR3 4064824978145732736
 Star Coordinates (ICRF)   : RA = 18 10 41.2509, DE = -26 01 47.326  [2]
 Star Magnitudes           : G = 10.73 mag, RP = 9.53 mag, BP = 12.29 mag
 Object Magnitude          : V = 20.59 mag
 Estimated Magnitude Drop  : 9.9 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 8.0 km/s
 Object Mean Diameter      : 1.60 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.3917 arcs/min @ PA = 254 deg
 Horizontal Parallax       : 5.2280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 112° (sunlit = 53%), Sun = 154°
 Cross-track uncertainty   : 37.0 mas = 45 km = 28.21 path-width (1-sig)
 RUWE and duplicate source : 0.61 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL18
 Note                      : FP:true

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


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