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Stellar Occultation by (8196) 1993 UB3 on 2026-10-04 (21:36:43 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] : 229b1c00-d9b3-11f1-43f3-3c92db9f061e [observed]

 Occultation Date + Time   : 2026-10-04 at 21:36:43 UT +/- 0.01 min  [1]
 Object Designation        : (8196) 1993 UB3
 Star Designation          : GDR3 0108866292694364928
 Star Coordinates (ICRF)   : RA = 03 06 21.5509, DE = +21 52 02.239  [2]
 Star Magnitudes           : G = 13.75 mag, RP = 12.9 mag, BP = 14.52 mag
 Object Magnitude          : V = 16.79 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 1.9 sec
 Speed of the shadow       : 3.4 km/s
 Object Mean Diameter      : 6.4 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.2167 arcs/min @ PA = 238 deg
 Horizontal Parallax       : 6.7720 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 69° (sunlit = 35%), Sun = 141°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.62 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL60
 Note                      : FP:true

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


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