2026-08-14 / UCAC4 470-006952 / (129133) 2004 YZ31
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Peter Delincak
O-
VID
M400
SK
NTP
01:47:45
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::
01:51:55
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 a6a38560-d9ad-11f1-43f3-3c01feefc426 for map and profile fit
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Event Details
Occultation UUID [and DB] : a6a38560-d9ad-11f1-43f3-3c01feefc426 [observed]
Occultation Date + Time : 2026-08-14 at 01:53:04 UT +/- 0.03 min [1]
Object Designation : (129133) 2004 YZ31
Orbit Class : JTRO
Star Designation : GDR3 3280739910404244864
Star Coordinates (ICRF) : RA = 04 29 57.9680, DE = +03 49 58.699 [2]
Star Magnitudes : G = 14.65 mag, RP = 14.07 mag, BP = 15.06 mag
Object Magnitude : V = 20.24 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 12.5 km (src: astorb)
Speed of the shadow : 19.9 km/s
Elongation to Moon & Sun : 92° (sunlit = 2%), Sun = 76°
Cross-track uncertainty : 5.3 mas = 21 km = 1.71 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL45
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)
