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Stellar Occultation by (27559) 2000 JB66 on 2026-08-19 (01:06:34 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] : 691712a0-d9af-11f1-43f3-73eeffdd2242 [observed]

 Occultation Date + Time   : 2026-08-19 at 01:06:34 UT +/- 0.01 min  [1]
 Object Designation        : (27559) 2000 JB66
 Star Designation          : GDR3 2688785080759877632
 Star Coordinates (ICRF)   : RA = 21 11 33.2022, DE = -01 18 00.458  [2]
 Star Magnitudes           : G = 8.2 mag, RP = 7.81 mag, BP = 8.42 mag
 Object Magnitude          : V = 18.45 mag
 Estimated Magnitude Drop  : 10.3 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 14.1 km/s
 Object Mean Diameter      : 7.0 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4800 arcs/min @ PA = 236 deg
 Horizontal Parallax       : 3.6110 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 97° (sunlit = 40%), Sun = 165°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL51
 Note                      : FP:true

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


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