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Stellar Occultation by (15304) Wikberg on 2026-10-23 (21:42:54 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] : 9d770640-d9b4-11f1-43f3-8239fa9fafa4 [observed]

 Occultation Date + Time   : 2026-10-23 at 21:42:54 UT +/- 0.16 min  [1]
 Object Designation        : (15304) Wikberg
 Star Designation          : GDR3 0163583007816503680
 Star Coordinates (ICRF)   : RA = 04 01 08.4359, DE = +27 14 58.084  [2]
 Star Magnitudes           : G = 14.74 mag, RP = 14.14 mag, BP = 15.14 mag
 Object Magnitude          : V = 15.93 mag
 Estimated Magnitude Drop  : 1.5 mag
 Estimated Max. Duration   : 1.1 sec
 Speed of the shadow       : 6.1 km/s
 Object Mean Diameter      : 6.8 km  (src: astorb) => apparent = 9 mas
 Apparent Motion           : 0.4867 arcs/min @ PA = 192 deg
 Horizontal Parallax       : 8.5090 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 63° (sunlit = 94%), Sun = 146°
 Cross-track uncertainty   : 2.0 mas = 1 km = 0.22 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL45
 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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