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2026-08-22 / UCAC4 509-004987 / (217853) 2001 QT56

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Stefano Sposetti O- VID M420 CH GPS 02:20:40 :: :: 02:22:40
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):
JPL37 : 6849a5f0-d9ae-11f1-43f3-aafdfbef3673 [db: observed]

Using prediction 6849a5f0-d9ae-11f1-43f3-aafdfbef3673 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 6849a5f0-d9ae-11f1-43f3-aafdfbef3673 [observed]

 Occultation Date + Time   : 2026-08-22 at 02:25:26 UT +/- 0.04 min  [1]
 Object Designation        : (217853) 2001 QT56
 Orbit Class               : MBA
 Star Designation          : GDR3 0016302463200535040
 Star Coordinates (ICRF)   : RA = 03 23 21.9669, DE = +11 41 09.426  [2]
 Star Magnitudes           : G = 11.1 mag, RP = 9.95 mag, BP = 12.47 mag
 Object Magnitude          : V = 20.42 mag
 Estimated Magnitude Drop  : 9.3 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 4.9 km  (src: astorb)
 Speed of the shadow       : 11.2 km/s
 Elongation to Moon & Sun  : 149° (sunlit = 69%), Sun = 97°
 Cross-track uncertainty   : 3.7 mas = 8 km = 1.79 path-width (1-sig)
 RUWE and duplicate source : 1.38 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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

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