2026-09-26 / UCAC4 335-217770 / (271832) 2004 TT171
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Andreas Schweizer
O-
VID
M250
CH
GPS
22:06:28
::
::
22:08:29
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 d189e4f0-d9b1-11f1-43f3-5519d7972823 for map and profile fit
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Event Details
Occultation UUID [and DB] : d189e4f0-d9b1-11f1-43f3-5519d7972823 [observed]
Occultation Date + Time : 2026-09-26 at 22:11:52 UT +/- 0.21 min [1]
Object Designation : (271832) 2004 TT171
Orbit Class : MBA
Star Designation : GDR3 6816567270071753984
Star Coordinates (ICRF) : RA = 21 41 21.7063, DE = -23 11 22.774 [2]
Star Magnitudes : G = 10.87 mag, RP = 10.05 mag, BP = 11.58 mag
Object Magnitude : V = 20.65 mag
Estimated Magnitude Drop : 9.8 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 1.80 km (src: astorb)
Speed of the shadow : 4.4 km/s
Elongation to Moon & Sun : 48° (sunlit = 100%), Sun = 135°
Cross-track uncertainty : 26.0 mas = 33 km = 18.86 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL25
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)
