2023-12-18 / UCAC4 677-050703 / (325679) 2009 TH27
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Zdenek Sikac |
O- |
VID |
T150 |
CZ |
NTP |
04:14:01 |
|
|
04:18:01 |
|
|
|
|
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] : 492d9060-ddb4-11f0-547e-eeb2fbf56b06 [observed]
Occultation Date + Time : 2023-12-18 at 04:15:43 UT +/- 0.23 min [1]
Object Designation : (325679) 2009 TH27
Orbit Class : JTRO
Star Designation : GDR3 1009634081284150144
Star Coordinates (ICRF) : RA = 09 08 22.5802, DE = +45 17 48.572 [2]
Star Magnitudes : G = 13.47 mag, RP = 13.03 mag, BP = 13.75 mag
Object Magnitude : V = 20.55 mag
Estimated Magnitude Drop : 7.1 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 7.3 km (src: astorb)
Speed of the shadow : 14.6 km/s
Elongation to Moon & Sun : 143° (sunlit = 32%), Sun = 133°
Cross-track uncertainty : 27.0 mas = 83 km = 11.42 path-width (1-sig)
RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#30
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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