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Stellar Occultation by (5747) Williamina on 2026-07-05 (22:20:31 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] : 98f8f930-d9a9-11f1-43f3-18655ffeb0fb [observed]

 Occultation Date + Time   : 2026-07-05 at 22:20:31 UT +/- 0.0 min  [1]
 Object Designation        : (5747) Williamina
 Star Designation          : GDR3 2700426709874449280
 Star Coordinates (ICRF)   : RA = 21 42 50.8069, DE = +06 41 18.666  [2]
 Star Magnitudes           : G = 12.53 mag, RP = 11.97 mag, BP = 12.92 mag
 Object Magnitude          : V = 17.34 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 12.3 km/s
 Object Mean Diameter      : 9.5 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.5183 arcs/min @ PA = 320 deg
 Horizontal Parallax       : 4.4730 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 27° (sunlit = 70%), Sun = 131°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.03 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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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