2023-03-31 / TYC 0776-00409-1 / (186263) 2001 YL44
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Alberto Ossola |
O- |
VID |
M230 |
CH |
GPS |
19:22:48 |
|
|
19:25:01 |
|
|
|
|
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] : 7fa5eb70-ddb3-11f0-547e-13c727ca0219 [observed]
Occultation Date + Time : 2023-03-31 at 19:21:22 UT +/- 0.01 min [1]
Object Designation : (186263) 2001 YL44
Orbit Class : MBA
Star Designation : GDR3 3163615705566440064
Star Coordinates (ICRF) : RA = 07 28 17.6893, DE = +13 36 15.384 [2]
Star Magnitudes : G = 9.03 mag, RP = 8.84 mag, BP = 9.12 mag
Object Magnitude : V = 20.86 mag
Estimated Magnitude Drop : 11.8 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 3.3 km (src: astorb)
Speed of the shadow : 7.4 km/s
Elongation to Moon & Sun : 23° (sunlit = 75%), Sun = 101°
Cross-track uncertainty : 1.3 mas = 2 km = 0.83 path-width (1-sig)
RUWE and duplicate source : 0.87 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#48
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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