2023-04-05 / UCAC4 452-048828 / (535027) 2014 WY509
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Ferran Casarramona |
O- |
VID |
M200 |
ES |
GPS |
19:51:02 |
|
|
19:59:02 |
|
|
|
|
| 2 |
show |
Stefano Sposetti |
O- |
VID |
M420 |
CH |
GPS |
19:50:00 |
|
|
20:00:00 |
|
|
|
|
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):
| Map with groundtrack and observer stations |
|---|
| Event Details |
|
Occultation UUID [and DB] : 8c5bdb40-ddb3-11f0-547e-c277dbf7ee24 [observed]
Occultation Date + Time : 2023-04-05 at 19:52:30 UT +/- 1.16 min [1]
Object Designation : (535027) 2014 WY509
Orbit Class : TNO
Star Designation : GDR3 3807103133374039296
Star Coordinates (ICRF) : RA = 10 36 04.8610, DE = +00 14 57.021 [2]
Star Magnitudes : G = 12.99 mag, RP = 12.51 mag, BP = 13.31 mag
Object Magnitude : V = 22.28 mag
Estimated Magnitude Drop : 9.3 mag
Estimated Max. Duration : 11.4 sec
Object Mean Diameter : 232.0 km (src: astorb)
Speed of the shadow : 20.3 km/s
Elongation to Moon & Sun : 32° (sunlit = 100%), Sun = 144°
Cross-track uncertainty : 38.3 mas = 1174 km = 5.06 path-width (1-sig)
RUWE and duplicate source : 1.17 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#13
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
|
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