2024-09-27 / UCAC4 596-021656 / (171865) 2001 QQ72
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Nigel Wakefield |
O+ |
VID |
M250 |
GB |
GPS |
23:10:26 |
23:17:23.39 |
23:17:23.75 |
23:18:36 |
0.04 |
0.06 |
0.36 |
4.0 |
| 2 |
show |
Tim Haymes |
O- |
VID |
M280 |
GB |
GPS |
23:16:30 |
|
|
23:18:30 |
|
|
|
|
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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2 observations 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] : 827d8a90-ddb5-11f0-547e-b2a7ffc76984 [observed]
Occultation Date + Time : 2024-09-27 at 23:24:30 UT +/- 0.02 min [1]
Object Designation : (171865) 2001 QQ72
Orbit Class : MBA
Star Designation : GDR3 3442890971827267456
Star Coordinates (ICRF) : RA = 05 37 39.5211, DE = +29 07 48.956 [2]
Star Magnitudes : G = 11.31 mag, RP = 10.0 mag, BP = 13.36 mag
Object Magnitude : V = 19.86 mag
Estimated Magnitude Drop : 8.5 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3.4 km (src: astorb)
Speed of the shadow : 11.0 km/s
Elongation to Moon & Sun : 47° (sunlit = 20%), Sun = 100°
Cross-track uncertainty : 2.7 mas = 4 km = 1.28 path-width (1-sig)
RUWE and duplicate source : 1.36 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#39
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
|
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