2023-06-28 / UCAC4 356-182442 / (57250) 2001 QQ94
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Jiri Kubanek |
O- |
VID |
M303 |
CZ |
GPS |
21:28:23 |
|
|
21:32:26 |
|
|
|
|
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] : be0fdb00-ddb3-11f0-547e-f842958fb09c [observed]
Occultation Date + Time : 2023-06-28 at 21:27:49 UT +/- 0.01 min [1]
Object Designation : (57250) 2001 QQ94
Orbit Class : MBA
Star Designation : GDR3 4084279638107303808
Star Coordinates (ICRF) : RA = 19 17 36.1009, DE = -18 55 06.033 [2]
Star Magnitudes : G = 11.93 mag, RP = 11.39 mag, BP = 12.31 mag
Object Magnitude : V = 19.32 mag
Estimated Magnitude Drop : 7.4 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 2.3 km (src: astorb)
Speed of the shadow : 10.8 km/s
Elongation to Moon & Sun : 72° (sunlit = 75%), Sun = 168°
Cross-track uncertainty : 1.7 mas = 1 km = 0.84 path-width (1-sig)
RUWE and duplicate source : 0.86 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#37
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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