2025-09-20 / UCAC4 371-183433 / (57481) 2001 ST153
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith
O-
VID
M300
ES
GPS
23:27:45
::
::
23:31:45
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 77985130-ddb7-11f0-547e-8d3097674ee6 for map and profile fit
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Event Details
Occultation UUID [and DB] : 77985130-ddb7-11f0-547e-8d3097674ee6 [observed]
Occultation Date + Time : 2025-09-20 at 23:35:06 UT +/- 0.01 min [1]
Object Designation : (57481) 2001 ST153
Orbit Class : MBA
Star Designation : GDR3 6838365672205464448
Star Coordinates (ICRF) : RA = 21 46 07.3295, DE = -15 56 12.471 [2]
Star Magnitudes : G = 10.87 mag, RP = 10.17 mag, BP = 11.42 mag
Object Magnitude : V = 19.3 mag
Estimated Magnitude Drop : 8.4 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 3.4 km (src: astorb)
Speed of the shadow : 8.1 km/s
Elongation to Moon & Sun : 155° (sunlit = 1%), Sun = 145°
Cross-track uncertainty : 1.3 mas = 1 km = 0.52 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#46
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)
