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2026-08-17 / UCAC4 274-147993 / (70887) 1999 VY166

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Deborah Smith O- VID M250 ES GPS 20:23:25 :: :: 20:25:25
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):
JPL43 : 028dcb60-d9ae-11f1-43f3-1ffbdfaf21e6 [db: observed]
JPL43 : 028eb5c0-d9ae-11f1-43f3-895df6f3a961 [db: observed]

Using prediction 028eb5c0-d9ae-11f1-43f3-895df6f3a961 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 028eb5c0-d9ae-11f1-43f3-895df6f3a961 [observed]

 Occultation Date + Time   : 2026-08-17 at 20:50:54 UT +/- 0.12 min  [1]
 Object Designation        : (70887) 1999 VY166
 Orbit Class               : MBA
 Star Designation          : GDR3 4039049818554896384
 Star Coordinates (ICRF)   : RA = 18 04 58.1354, DE = -35 14 38.288  [2]
 Star Magnitudes           : G = 15.25 mag, RP = 14.34 mag, BP = 15.89 mag
 Object Magnitude          : V = 19.26 mag
 Estimated Magnitude Drop  : 4.0 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 2.8 km  (src: astorb)
 Speed of the shadow       : 3.0 km/s
 Elongation to Moon & Sun  : 61° (sunlit = 29%), Sun = 125°
 Cross-track uncertainty   : 2.1 mas = 2 km = 0.86 path-width (1-sig)
 RUWE and duplicate source : 1.58 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL43
 Note                      : FP:true

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

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