2026-09-01 / UCAC4 644-019378 / (1721) Wells
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
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Stefano Sposetti
O-
VID
M420
CH
GPS
02:45:00
::
::
02:49:00
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 0d1748d0-d9af-11f1-43f3-d3aef09cce58 for map and profile fit
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Event Details
Occultation UUID [and DB] : 0d1748d0-d9af-11f1-43f3-d3aef09cce58 [observed]
Occultation Date + Time : 2026-09-01 at 02:48:30 UT +/- 0.0 min [1]
Object Designation : (1721) Wells
Orbit Class : MBA
Star Designation : GDR3 0178796503532600576
Star Coordinates (ICRF) : RA = 04 33 29.4886, DE = +38 46 09.061 [2]
Star Magnitudes : G = 15.52 mag, RP = 14.91 mag, BP = 15.95 mag
Object Magnitude : V = 16.88 mag
Estimated Magnitude Drop : 1.6 mag
Estimated Max. Duration : 2.1 sec
Object Mean Diameter : 40.0 km (src: astorb)
Speed of the shadow : 19.3 km/s
Elongation to Moon & Sun : 46° (sunlit = 83%), Sun = 86°
Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.98 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
(If error 404: link not valid which means no data available)