2023-09-02 / UCAC4 477-003088 / (57331) 2001 QU245
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Gregor Krannich |
O- |
VID |
M350 |
DE |
GPS |
00:23:30 |
|
|
00:25:30 |
|
|
|
|
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] : fd2dd850-ddb3-11f0-547e-0c28bd7f9b43 [observed]
Occultation Date + Time : 2023-09-02 at 00:32:25 UT +/- 0.05 min [1]
Object Designation : (57331) 2001 QU245
Orbit Class : MBA
Star Designation : GDR3 2519838693880549504
Star Coordinates (ICRF) : RA = 02 13 53.1591, DE = +05 16 51.281 [2]
Star Magnitudes : G = 12.59 mag, RP = 12.03 mag, BP = 12.98 mag
Object Magnitude : V = 19.31 mag
Estimated Magnitude Drop : 6.7 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 4.1 km (src: astorb)
Speed of the shadow : 10.3 km/s
Elongation to Moon & Sun : 27° (sunlit = 94%), Sun = 126°
Cross-track uncertainty : 0.3 mas = 0 km = 0.11 path-width (1-sig)
RUWE and duplicate source : 1.18 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#42
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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