2025-10-24 / UCAC4 285-217408 / (227038) 2005 AU54
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith
O-
VID
M200
ES
GPS
19:39:18
::
::
19:41:18
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 a01cfa60-ddb8-11f0-547e-5086ff77e6d0 for map and profile fit
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Event Details
Occultation UUID [and DB] : a01cfa60-ddb8-11f0-547e-5086ff77e6d0 [observed]
Occultation Date + Time : 2025-10-24 at 19:35:26 UT +/- 0.01 min [1]
Object Designation : (227038) 2005 AU54
Orbit Class : MBA
Star Designation : GDR3 6792732430663967744
Star Coordinates (ICRF) : RA = 20 36 34.9352, DE = -33 01 30.912 [2]
Star Magnitudes : G = 12.21 mag, RP = 11.57 mag, BP = 12.7 mag
Object Magnitude : V = 20.93 mag
Estimated Magnitude Drop : 8.7 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 3.5 km (src: astorb)
Speed of the shadow : 16.9 km/s
Elongation to Moon & Sun : 55° (sunlit = 10%), Sun = 91°
Cross-track uncertainty : 1.7 mas = 3 km = 1.10 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#31
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)
