2025-10-23 / HIP 19373 / (145474) 2005 SA278
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith
O-
VID
M300
ES
GPS
00:54:52
::
::
01:09:52
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 9b81ee70-ddb8-11f0-547e-d0f17bbfdf5b for map and profile fit
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Event Details
Occultation UUID [and DB] : 9b81ee70-ddb8-11f0-547e-d0f17bbfdf5b [observed]
Occultation Date + Time : 2025-10-23 at 01:02:23 UT +/- 1.03 min [1]
Object Designation : (145474) 2005 SA278
Orbit Class : TNO
Star Designation : GDR3 3284635686261759488
Star Coordinates (ICRF) : RA = 04 08 59.9919, DE = +04 59 27.815 [2]
Star Magnitudes : G = 10.14 mag, RP = 9.59 mag, BP = 10.43 mag
Object Magnitude : V = 21.76 mag
Estimated Magnitude Drop : 11.6 mag
Estimated Max. Duration : 9.5 sec
Object Mean Diameter : 189.4 km (src: astorb)
Speed of the shadow : 19.9 km/s
Elongation to Moon & Sun : 155° (sunlit = 2%), Sun = 145°
Cross-track uncertainty : 28.7 mas = 701 km = 3.70 path-width (1-sig)
RUWE and duplicate source : 1.46 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#19
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)
