2023-12-23 / UCAC4 540-010626 / (498) Tokio
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Faustino Garcia |
O+ |
VID |
T250 |
ES |
GPS |
21:04:46 |
21:05:47.47 |
21:05:49.18 |
21:06:46 |
0.31 |
0.31 |
1.71 |
19.0 |
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):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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Occultation UUID [and DB] : 4b4d1500-ddb4-11f0-547e-5c28dbf86be9 [observed]
Occultation Date + Time : 2023-12-23 at 21:01:30 UT +/- 0.0 min [1]
Object Designation : (498) Tokio
Orbit Class : MBA
Star Designation : GDR3 3406385536516164224
Star Coordinates (ICRF) : RA = 04 47 34.1900, DE = +17 50 46.154 [2]
Star Magnitudes : G = 13.68 mag, RP = 13.0 mag, BP = 14.2 mag
Object Magnitude : V = 12.59 mag
Estimated Magnitude Drop : 0.3 mag
Estimated Max. Duration : 7.5 sec
Object Mean Diameter : 82.8 km (src: astorb)
Speed of the shadow : 11.1 km/s
Elongation to Moon & Sun : 20° (sunlit = 90%), Sun = 160°
Cross-track uncertainty : 0.7 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#110
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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