2023-12-24 / UCAC4 669-041514 / (257395) 2009 SW216
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Stefano Sposetti |
O- |
VID |
M420 |
CH |
GPS |
17:35:00 |
|
|
17:37:30 |
|
|
|
|
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] : 50ef57c0-ddb4-11f0-547e-c4d2bfff7dd9 [observed]
Occultation Date + Time : 2023-12-24 at 17:31:34 UT +/- 0.06 min [1]
Object Designation : (257395) 2009 SW216
Orbit Class : JTRO
Star Designation : GDR3 0196476891026257664
Star Coordinates (ICRF) : RA = 05 49 39.8014, DE = +43 42 17.706 [2]
Star Magnitudes : G = 7.98 mag, RP = 7.1 mag, BP = 8.79 mag
Object Magnitude : V = 19.39 mag
Estimated Magnitude Drop : 11.4 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 8.8 km (src: astorb)
Speed of the shadow : 15.3 km/s
Elongation to Moon & Sun : 28° (sunlit = 94%), Sun = 159°
Cross-track uncertainty : 20.7 mas = 53 km = 6.10 path-width (1-sig)
RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#35
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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