2025-11-10 / UCAC4 557-016930 / (242497) 2004 XL20
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Stefano Sposetti |
O- |
VID |
M420 |
CH |
GPS |
22:22:00 |
:: |
:: |
22:24:00 |
|
|
|
|
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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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] : b27e7bc0-ddb8-11f0-547e-dd977affbe0f [observed]
Occultation Date + Time : 2025-11-10 at 22:14:13 UT +/- 0.13 min [1]
Object Designation : (242497) 2004 XL20
Orbit Class : MBA
Star Designation : GDR3 3403633561993433600
Star Coordinates (ICRF) : RA = 05 33 51.5524, DE = +21 12 47.988 [2]
Star Magnitudes : G = 9.45 mag, RP = 8.53 mag, BP = 10.34 mag
Object Magnitude : V = 20.18 mag
Estimated Magnitude Drop : 10.7 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.6 km (src: astorb)
Speed of the shadow : 7.9 km/s
Elongation to Moon & Sun : 39° (sunlit = 64%), Sun = 145°
Cross-track uncertainty : 23.3 mas = 34 km = 13.35 path-width (1-sig)
RUWE and duplicate source : 1.2 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#34
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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