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Stellar Occultation by (571) Dulcinea on 2026-02-03 (21:50:22 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] : 660e9a80-de6d-11f0-4858-93bf5f772ee0 [asteroids]

 Occultation Date + Time   : 2026-02-03 at 21:50:22 UT +/- 0.0 min  [1]
 Object Designation        : (571) Dulcinea
 Star Designation          : GDR3 0164814289041275392
 Star Coordinates (ICRF)   : RA = 04 19 33.6789, DE = +28 56 16.100  [2]
 Star Magnitudes           : G = 14.2 mag, RP = 13.54 mag, BP = 14.68 mag
 Object Magnitude          : V = 15.32 mag
 Estimated Magnitude Drop  : 1.5 mag
 Estimated Max. Duration   : 4.6 sec
 Speed of the shadow       : 9.7 km/s
 Object Mean Diameter      : 44.5 km  (src: astorb) => apparent = 42 mas
 Apparent Motion           : 0.5517 arcs/min @ PA = 95 deg
 Horizontal Parallax       : 6.0710 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 92° (sunlit = 95%), Sun = 113°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#78
 Note                      : FP:true

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


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