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Stellar Occultation by (4173) Thicksten on 2026-07-14 (01:25:49 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] : 6f017430-d9aa-11f1-43f3-4b71c9bd930d [observed]

 Occultation Date + Time   : 2026-07-14 at 01:25:49 UT +/- 0.0 min  [1]
 Object Designation        : (4173) Thicksten
 Star Designation          : GDR3 6771862737899181056
 Star Coordinates (ICRF)   : RA = 19 35 03.1366, DE = -22 10 43.627  [2]
 Star Magnitudes           : G = 10.57 mag, RP = 9.89 mag, BP = 11.1 mag
 Object Magnitude          : V = 16.98 mag
 Estimated Magnitude Drop  : 6.4 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 12.2 km/s
 Object Mean Diameter      : 6.1 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.6233 arcs/min @ PA = 255 deg
 Horizontal Parallax       : 5.4340 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 174° (sunlit = 0%), Sun = 179°
 Cross-track uncertainty   : 0.5 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 2.16 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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