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Stellar Occultation by (1409) Isko on 2026-06-09 (22:19:50 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] : 46f87a20-33e6-11f1-6999-179bddb349ed [asteroids]

 Occultation Date + Time   : 2026-06-09 at 22:19:50 UT +/- 0.0 min  [1]
 Object Designation        : (1409) Isko
 Star Designation          : GDR3 4104886307155622656
 Star Coordinates (ICRF)   : RA = 18 30 30.0916, DE = -12 48 35.250  [2]
 Star Magnitudes           : G = 14.31 mag, RP = 13.65 mag, BP = 14.8 mag
 Object Magnitude          : V = 15.05 mag
 Estimated Magnitude Drop  : 1.2 mag
 Estimated Max. Duration   : 3.6 sec
 Speed of the shadow       : 10.0 km/s
 Object Mean Diameter      : 35.5 km  (src: astorb) => apparent = 28 mas
 Apparent Motion           : 0.4700 arcs/min @ PA = 274 deg
 Horizontal Parallax       : 5.0100 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 90° (sunlit = 34%), Sun = 159°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.86 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#76
 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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