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Stellar Occultation by (1556) Wingolfia on 2023-09-25 (01:55:28 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] : 116a0d20-ddb4-11f0-547e-6a2e67fa4579 [observed]

 Occultation Date + Time   : 2023-09-25 at 01:55:28 UT +/- 0.0 min  [1]
 Object Designation        : (1556) Wingolfia
 Star Designation          : GDR3 0865799543552459008
 Star Coordinates (ICRF)   : RA = 07 34 53.3250, DE = +22 51 49.482  [2]
 Star Magnitudes           : G = 11.23 mag, RP = 10.6 mag, BP = 11.7 mag
 Object Magnitude          : V = 16.8 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 24.6 km/s
 Object Mean Diameter      : 28.6 km  (src: astorb) => apparent = 11 mas
 Apparent Motion           : 0.5567 arcs/min @ PA = 88 deg
 Horizontal Parallax       : 2.4040 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 170° (sunlit = 75%), Sun = 70°
 Cross-track uncertainty   : 0.4 mas = 1 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.62 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL61
 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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