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Stellar Occultation by (13123) Tyson on 2026-04-08 (19:32:47 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] : 6c17d7a0-343c-11f1-6999-f64fb9fefe55 [asteroids]

 Occultation Date + Time   : 2026-04-08 at 19:32:47 UT +/- 0.0 min  [1]
 Object Designation        : (13123) Tyson
 Star Designation          : GDR3 0804663535957092992
 Star Coordinates (ICRF)   : RA = 10 28 30.5740, DE = +42 00 49.685  [2]
 Star Magnitudes           : G = 12.76 mag, RP = 12.28 mag, BP = 13.07 mag
 Object Magnitude          : V = 17.73 mag
 Estimated Magnitude Drop  : 5.0 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 10.4 km/s
 Object Mean Diameter      : 10.1 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.3683 arcs/min @ PA = 223 deg
 Horizontal Parallax       : 3.7800 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 128° (sunlit = 63%), Sun = 118°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#69
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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