2023-11-13 / UCAC4 540-049800 / (131) Vala
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Oscar Canales |
O- |
VID |
M280 |
ES |
GPS |
02:44:58 |
|
|
02:47:59 |
|
|
|
|
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] : 377df9e0-ddb4-11f0-547e-a4d1e6f7cb66 [observed]
Occultation Date + Time : 2023-11-13 at 02:50:22 UT +/- 0.0 min [1]
Object Designation : (131) Vala
Orbit Class : MBA
Star Designation : GDR3 0621097595792108416
Star Coordinates (ICRF) : RA = 09 46 55.9218, DE = +17 55 00.290 [2]
Star Magnitudes : G = 12.86 mag, RP = 12.35 mag, BP = 13.2 mag
Object Magnitude : V = 14.89 mag
Estimated Magnitude Drop : 2.2 mag
Estimated Max. Duration : 2.1 sec
Object Mean Diameter : 40.4 km (src: astorb)
Speed of the shadow : 18.9 km/s
Elongation to Moon & Sun : 84° (sunlit = 0%), Sun = 88°
Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.61 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#109
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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