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2026-06-09 / UCAC4 386-101480 / (1409) Isko

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Deborah Smith O+ VID M250 ES GPS 22:25:30 22:26:28.172 22:26:32.372 22:27:30 0.078 0.078 4.20 42.0
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

1 observation found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#76 : 46f87a20-33e6-11f1-6999-179bddb349ed [db: asteroids]

Using prediction 46f87a20-33e6-11f1-6999-179bddb349ed for map and profile fit

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Map with groundtrack and observer stations

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
 Orbit Class               : MBA
 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
 Object Mean Diameter      : 35.5 km  (src: astorb)
 Speed of the shadow       : 10.0 km/s
 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

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