2025-08-20 / TYC 6355-00510-1 / (4260) Yanai
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jiri Kubanek
O+
VID
M303
CZ
GPS
01:30:28
01:31:26.97
01:31:28.11
01:32:28
0.060
0.060
1.14
13.0
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 4feed050-ddb7-11f0-547e-b503f9f49a5a for map and profile fit
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Event Details
Occultation UUID [and DB] : 4feed050-ddb7-11f0-547e-b503f9f49a5a [observed]
Occultation Date + Time : 2025-08-20 at 01:38:13 UT +/- 0.0 min [1]
Object Designation : (4260) Yanai
Orbit Class : MBA
Star Designation : GDR3 6832650200310355328
Star Coordinates (ICRF) : RA = 21 16 30.1415, DE = -19 47 22.575 [2]
Star Magnitudes : G = 12.14 mag, RP = 11.68 mag, BP = 12.44 mag
Object Magnitude : V = 16.51 mag
Estimated Magnitude Drop : 4.4 mag
Estimated Max. Duration : 1.0 sec
Object Mean Diameter : 10.9 km (src: astorb)
Speed of the shadow : 11.4 km/s
Elongation to Moon & Sun : 152° (sunlit = 12%), Sun = 168°
Cross-track uncertainty : 0.7 mas = 0 km = 0.09 path-width (1-sig)
RUWE and duplicate source : 1.19 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
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)
