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Stellar Occultation by (476) Hedwig on 2026-07-12 (22:38:51 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] : 723d8c60-d9aa-11f1-43f3-1300af79edf8 [observed]

 Occultation Date + Time   : 2026-07-12 at 22:38:51 UT +/- 0.01 min  [1]
 Object Designation        : (476) Hedwig
 Star Designation          : GDR3 2676231647267420032
 Star Coordinates (ICRF)   : RA = 22 13 38.8468, DE = -01 39 41.881  [2]
 Star Magnitudes           : G = 13.96 mag, RP = 13.26 mag, BP = 14.51 mag
 Object Magnitude          : V = 12.67 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 19.6 sec
 Speed of the shadow       : 6.0 km/s
 Object Mean Diameter      : 116.8 km  (src: astorb) => apparent = 97 mas
 Apparent Motion           : 0.2983 arcs/min @ PA = 313 deg
 Horizontal Parallax       : 5.3190 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 114° (sunlit = 3%), Sun = 135°
 Cross-track uncertainty   : 1.8 mas = 2 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 3.2 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL143
 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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