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Stellar Occultation by (218) Bianca on 2026-02-24 (21:15:57 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] : ed36bda0-de6b-11f0-4858-a9ae7dbb1ed9 [asteroids]

 Occultation Date + Time   : 2026-02-24 at 21:15:57 UT +/- 0.02 min  [1]
 Object Designation        : (218) Bianca
 Star Designation          : GDR3 3333134010289777408
 Star Coordinates (ICRF)   : RA = 05 40 02.9616, DE = +06 37 08.402  [2]
 Star Magnitudes           : G = 14.09 mag, RP = 13.46 mag, BP = 14.55 mag
 Object Magnitude          : V = 13.6 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 6.1 sec
 Speed of the shadow       : 9.9 km/s
 Object Mean Diameter      : 60.6 km  (src: astorb) => apparent = 35 mas
 Apparent Motion           : 0.3450 arcs/min @ PA = 31 deg
 Horizontal Parallax       : 3.7080 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 26° (sunlit = 54%), Sun = 108°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#126
 Note                      : FP:true

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


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