2025-10-18 / UCAC4 625-011374 / (34521) 2000 SA191
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Yves Argentin
O+
VID
M305
FR
GPS
21:09:13
21:09:39.54
21:09:41.90
21:10:13
0.040
0.040
2.36
33.5
2
show Javier Prat, Pedro Martorell
O-
CCD
M310
ES
GPS
21:08:50
::
::
21:10:51
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 96c502a0-ddb8-11f0-547e-5593efffdc33 for map and profile fit
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Event Details
Occultation UUID [and DB] : 96c502a0-ddb8-11f0-547e-5593efffdc33 [observed]
Occultation Date + Time : 2025-10-18 at 21:04:12 UT +/- 0.04 min [1]
Object Designation : (34521) 2000 SA191
Orbit Class : JTRO
Star Designation : GDR3 0221890968429654400
Star Coordinates (ICRF) : RA = 03 26 21.7097, DE = +34 51 46.662 [2]
Star Magnitudes : G = 12.79 mag, RP = 12.11 mag, BP = 13.31 mag
Object Magnitude : V = 18.77 mag
Estimated Magnitude Drop : 6.0 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 16.3 km (src: astorb)
Speed of the shadow : 14.2 km/s
Elongation to Moon & Sun : 117° (sunlit = 6%), Sun = 145°
Cross-track uncertainty : 4.7 mas = 14 km = 0.88 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#50
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)
