2024-11-29 / UCAC4 577-011087 / (23948) 1998 UQ18
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Deborah Smith |
O- |
CCD |
M203 |
ES |
NTP |
23:37:22 |
|
|
23:41:22 |
|
|
|
|
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 |
|
Occultation UUID [and DB] : aedf3c50-ddb5-11f0-547e-90cdb77de4f4 [observed]
Occultation Date + Time : 2024-11-29 at 23:38:55 UT +/- 0.0 min [1]
Object Designation : (23948) 1998 UQ18
Orbit Class : MBA
Star Designation : GDR3 0149701604796748928
Star Coordinates (ICRF) : RA = 04 23 01.7810, DE = +25 21 57.767 [2]
Star Magnitudes : G = 13.38 mag, RP = 12.67 mag, BP = 13.94 mag
Object Magnitude : V = 17.24 mag
Estimated Magnitude Drop : 3.9 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 9.0 km (src: astorb)
Speed of the shadow : 14.5 km/s
Elongation to Moon & Sun : 166° (sunlit = 2%), Sun = 176°
Cross-track uncertainty : 0.7 mas = 1 km = 0.12 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#59
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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