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2026-09-20 / J044934.68+404330.8 / (1721) Wells

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Björn Kattentidt, Bernd Gaehrken O+ VID M280 DE GPS 23:54:22 23:55:50.430 23:55:54.652 23:57:23 0.307 0.307 4.22 50.2
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):
JPL77 : bfafe310-d9b1-11f1-43f3-3362fffdc28d [db: observed]

Using prediction bfafe310-d9b1-11f1-43f3-3362fffdc28d for map and profile fit

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Event Details
 Occultation UUID [and DB] : bfafe310-d9b1-11f1-43f3-3362fffdc28d [observed]

 Occultation Date + Time   : 2026-09-20 at 23:57:47 UT +/- 0.01 min  [1]
 Object Designation        : (1721) Wells
 Orbit Class               : MBA
 Star Designation          : GDR3 0200261994165010176
 Star Coordinates (ICRF)   : RA = 04 49 34.6779, DE = +40 43 30.819  [2]
 Star Magnitudes           : G = 8.71 mag, RP = 7.23 mag, BP = 11.9 mag
 Object Magnitude          : V = 16.66 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 3.4 sec
 Object Mean Diameter      : 40.0 km  (src: astorb)
 Speed of the shadow       : 11.9 km/s
 Elongation to Moon & Sun  : 142° (sunlit = 70%), Sun = 101°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL77
 Note                      : FP:true

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

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