2026-08-30 / UCAC4 366-087648 / (121711) 1999 XW112
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith
O-
VID
M300
ES
GPS
19:37:39
::
::
19:39:40
2
show Deborah Smith
O-
VID
M250
ES
GPS
19:37:38
::
::
19:39:38
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction d9f253f0-d9ae-11f1-43f3-7a957ebd671d for map and profile fit
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Event Details
Occultation UUID [and DB] : d9f253f0-d9ae-11f1-43f3-7a957ebd671d [observed]
Occultation Date + Time : 2026-08-30 at 19:12:49 UT +/- 0.02 min [1]
Object Designation : (121711) 1999 XW112
Orbit Class : MBA
Star Designation : GDR3 4135064186106121216
Star Coordinates (ICRF) : RA = 17 24 39.0756, DE = -16 55 56.699 [2]
Star Magnitudes : G = 15.52 mag, RP = 14.7 mag, BP = 16.22 mag
Object Magnitude : V = 18.72 mag
Estimated Magnitude Drop : 3.3 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5.4 km (src: astorb)
Speed of the shadow : 9.9 km/s
Elongation to Moon & Sun : 107° (sunlit = 92%), Sun = 104°
Cross-track uncertainty : 4.3 mas = 6 km = 1.21 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL34
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)
