2024-09-28 / UCAC4 346-185870 / (160884) 2001 QT39
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Deborah Smith |
O+ |
CCD |
M203 |
ES |
NTP |
20:05:15 |
20:07:17.786 |
20:07:18.452 |
20:09:15 |
0.087 |
0.087 |
0.67 |
3.7 |
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] : 73981090-ddb5-11f0-547e-c182fff5c387 [observed]
Occultation Date + Time : 2024-09-28 at 20:06:52 UT +/- 0.02 min [1]
Object Designation : (160884) 2001 QT39
Orbit Class : MBA
Star Designation : GDR3 6865472585205246464
Star Coordinates (ICRF) : RA = 19 50 31.2356, DE = -20 57 43.794 [2]
Star Magnitudes : G = 13.5 mag, RP = 12.77 mag, BP = 14.08 mag
Object Magnitude : V = 20.66 mag
Estimated Magnitude Drop : 7.2 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 3.4 km (src: astorb)
Speed of the shadow : 5.5 km/s
Elongation to Moon & Sun : 152° (sunlit = 14%), Sun = 109°
Cross-track uncertainty : 1.0 mas = 2 km = 0.59 path-width (1-sig)
RUWE and duplicate source : 1.0 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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