2025-12-31 / UCAC4 694-032082 / (271361) 2003 XJ18
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Michael OConnell
O-
VID
M350
ES
NTP
23:25:33
::
::
23:27:33
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 54ad2b00-d997-11f1-43f3-ef515dee13f5 for map and profile fit
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Event Details
Occultation UUID [and DB] : 54ad2b00-d997-11f1-43f3-ef515dee13f5 [observed]
Occultation Date + Time : 2025-12-31 at 23:27:47 UT +/- 0.04 min [1]
Object Designation : (271361) 2003 XJ18
Orbit Class : MBA
Star Designation : GDR3 0255854745175012864
Star Coordinates (ICRF) : RA = 04 54 40.0762, DE = +48 42 16.547 [2]
Star Magnitudes : G = 11.34 mag, RP = 10.49 mag, BP = 12.1 mag
Object Magnitude : V = 19.97 mag
Estimated Magnitude Drop : 8.6 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.9 km (src: astorb)
Speed of the shadow : 11.1 km/s
Elongation to Moon & Sun : 24° (sunlit = 92%), Sun = 146°
Cross-track uncertainty : 7.7 mas = 11 km = 4.05 path-width (1-sig)
RUWE and duplicate source : 1.38 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL31
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)
