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Stellar Occultation by (4457) van Gogh on 2026-04-18 (19:49:15 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] : e8795e00-341d-11f1-6999-2515fbc711d5 [asteroids]

 Occultation Date + Time   : 2026-04-18 at 19:49:15 UT +/- 0.0 min  [1]
 Object Designation        : (4457) van Gogh
 Star Designation          : GDR3 3149770375974502016
 Star Coordinates (ICRF)   : RA = 07 42 50.3580, DE = +10 22 52.560  [2]
 Star Magnitudes           : G = 11.56 mag, RP = 10.91 mag, BP = 12.05 mag
 Object Magnitude          : V = 16.88 mag
 Estimated Magnitude Drop  : 5.3 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 20.3 km/s
 Object Mean Diameter      : 12.5 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.7733 arcs/min @ PA = 79 deg
 Horizontal Parallax       : 4.0470 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 70° (sunlit = 3%), Sun = 87°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.87 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#72
 Note                      : FP:true

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


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