2025-09-20 / UCAC4 553-075051 / (5234) Sechenov
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Andreas Schweizer
O+
VID
M250
CH
GPS
20:59:24
20:59:54.060
20:59:55.110
21:00:24
0.050
0.050
1.05
16.0
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 776a8a70-ddb7-11f0-547e-704e8ebf6e40 for map and profile fit
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Event Details
Occultation UUID [and DB] : 776a8a70-ddb7-11f0-547e-704e8ebf6e40 [observed]
Occultation Date + Time : 2025-09-20 at 21:01:04 UT +/- 0.0 min [1]
Object Designation : (5234) Sechenov
Orbit Class : MBA
Star Designation : GDR3 4530746505052300288
Star Coordinates (ICRF) : RA = 18 44 15.4539, DE = +20 24 05.139 [2]
Star Magnitudes : G = 13.02 mag, RP = 12.54 mag, BP = 13.34 mag
Object Magnitude : V = 17.23 mag
Estimated Magnitude Drop : 4.2 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 12.2 km (src: astorb)
Speed of the shadow : 15.2 km/s
Elongation to Moon & Sun : 109° (sunlit = 1%), Sun = 102°
Cross-track uncertainty : 0.7 mas = 1 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#58
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)
