2025-12-30 / UCAC4 633-033478 / (174353) 2002 TT257
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
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Jocelyn Sérot
O-
VID
M210
FR
NTP
23:46:07
::
::
23:48:07
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 2c81cff0-d997-11f1-43f3-30d3f7cf1ad2 for map and profile fit
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Event Details
Occultation UUID [and DB] : 2c81cff0-d997-11f1-43f3-30d3f7cf1ad2 [observed]
Occultation Date + Time : 2025-12-30 at 23:45:58 UT +/- 0.05 min [1]
Object Designation : (174353) 2002 TT257
Orbit Class : MBA
Star Designation : GDR3 3435259394761495168
Star Coordinates (ICRF) : RA = 06 28 13.3031, DE = +29 52 43.178 [2]
Star Magnitudes : G = 12.28 mag, RP = 11.54 mag, BP = 12.87 mag
Object Magnitude : V = 18.94 mag
Estimated Magnitude Drop : 6.7 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 2.3 km (src: astorb)
Speed of the shadow : 10.5 km/s
Elongation to Moon & Sun : 44° (sunlit = 84%), Sun = 173°
Cross-track uncertainty : 21.0 mas = 22 km = 9.78 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL35
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)