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2026-09-22 / UCAC4 354-111702 / (16393) 1981 QS

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Carsten Ziolek O- VID M356 CH GPS 18:45:08 :: :: 18:47:08
2 show Andreas Schweizer O- VID M250 CH GPS 18:45:02 :: :: 18:47:02
3 show Stefan Meister O- VID M500 CH GPS 18:45:03 :: :: 18:47:03
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

3 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL66 : 3a29c210-d9b1-11f1-43f3-94e4599f4cc2 [db: observed]

Using prediction 3a29c210-d9b1-11f1-43f3-94e4599f4cc2 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 3a29c210-d9b1-11f1-43f3-94e4599f4cc2 [observed]

 Occultation Date + Time   : 2026-09-22 at 18:45:20 UT +/- 0.0 min  [1]
 Object Designation        : (16393) 1981 QS
 Orbit Class               : MBA
 Star Designation          : GDR3 4119492868071998080
 Star Coordinates (ICRF)   : RA = 17 51 41.1290, DE = -19 22 16.389  [2]
 Star Magnitudes           : G = 12.87 mag, RP = 12.01 mag, BP = 13.64 mag
 Object Magnitude          : V = 19.09 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 4.6 km  (src: astorb)
 Speed of the shadow       : 17.1 km/s
 Elongation to Moon & Sun  : 45° (sunlit = 84%), Sun = 88°
 Cross-track uncertainty   : 0.2 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.82 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL66
 Note                      : FP:true

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

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