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2026-07-30 / UCAC4 479-130057 / (3614) Tumilty

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Björn Kattentidt O+ VID M280 DE GPS 00:54:05 00:55:44.196 00:55:46.010 00:57:03 0.040 0.040 1.81 20.3
2 show Roland BONINSEGNA O+ VID M400 BE GPS 00:56:10 00:56:32.29 00:56:33.93 00:57:09 0.040 0.040 1.64 18.4
3 show Robert Dequinze O+ VID M254 BE GPS 00:56:02 00:56:30.6 00:56:34.8 00:57:07 0.300 0.150 4.20 47.0
4 show Serge Vasseur O+ VID M406 FR GPS 00:55:46 00:56:46.210 00:56:48.661 00:58:38 0.043 0.043 2.45 27.4
5 show Peter Birtwhistle O+ DRS M405 GB NTP 00:57:04 00:57:07.41 00:57:10.35 00:57:14 0.070 0.070 2.94 32.9
6 show Derrick Ward O+ VID M200 GB NTP 00:55:10 00:57:09.99 00:57:13.10 00:59:09 0.150 0.200 3.11 34.8
7 show Tim Haymes O+ VID M280 GB GPS 00:54:04 00:57:05.92 00:57:10.06 00:56:04 0.090 0.090 4.14 46.4
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

7 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL71 : 14b58a00-d9ac-11f1-43f3-95207fffa675 [db: observed]

Using prediction 14b58a00-d9ac-11f1-43f3-95207fffa675 for map and profile fit

Get observations as KML file (reduced site location resolution)

Ellipse and circular profile fits to the timings (chords)

 Auto-Fit Result:
Size = 62 x 50 km
a',b' = 30.9, 25.2 km
X0,Y0 = -1145.8, 35.4 km
Mean diameter = 56 km

From 7 chords (DRS,VID)








You can enter space separated chord numbers (example: 11 4 8) or a method like VIS to ignore all visual timings, or a time source like RAD and NTP (but not GPS).
If the plot disappears, then there are less than 2 chords left (too much ignored, go back with browser).

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Map with groundtrack and observer stations

Event Details 
 Occultation UUID [and DB] : 14b58a00-d9ac-11f1-43f3-95207fffa675 [observed]

 Occultation Date + Time   : 2026-07-30 at 00:54:04 UT +/- 0.01 min  [1]
 Object Designation        : (3614) Tumilty
 Orbit Class               : MBA
 Star Designation          : GDR3 2720350822642078336
 Star Coordinates (ICRF)   : RA = 22 12 03.1275, DE = +05 45 09.202  [2]
 Star Magnitudes           : G = 13.01 mag, RP = 12.49 mag, BP = 13.37 mag
 Object Magnitude          : V = 15.19 mag
 Estimated Magnitude Drop  : 2.3 mag
 Estimated Max. Duration   : 5.2 sec
 Object Mean Diameter      : 58.1 km  (src: astorb)
 Speed of the shadow       : 11.2 km/s
 Elongation to Moon & Sun  : 31° (sunlit = 100%), Sun = 146°
 Cross-track uncertainty   : 2.0 mas = 2 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.87 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL71
 Note                      : FP:true

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

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