2026-09-21 / UCAC4 540-153446 / (2120) Tyumenia
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Antonio Vecchione
O-
VID
M250
IT
GPS
21:30:21
::
::
21:32:15
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):
Using prediction 2c687cc0-d9b1-11f1-43f3-f836de874493 for map and profile fit
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Event Details
Occultation UUID [and DB] : 2c687cc0-d9b1-11f1-43f3-f836de874493 [observed]
Occultation Date + Time : 2026-09-21 at 21:31:55 UT +/- 0.02 min [1]
Object Designation : (2120) Tyumenia
Orbit Class : MBA
Star Designation : GDR3 2821676797738039296
Star Coordinates (ICRF) : RA = 23 51 12.0195, DE = +17 59 49.928 [2]
Star Magnitudes : G = 15.08 mag, RP = 14.68 mag, BP = 15.32 mag
Object Magnitude : V = 15.2 mag
Estimated Magnitude Drop : 0.8 mag
Estimated Max. Duration : 3.3 sec
Object Mean Diameter : 41.2 km (src: astorb)
Speed of the shadow : 12.6 km/s
Elongation to Moon & Sun : 65° (sunlit = 77%), Sun = 162°
Cross-track uncertainty : 1.3 mas = 1 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL74
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)
