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 |
More 2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 827d8a90-ddb5-11f0-547e-b2a7ffc76984 for map and profile fit
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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
(If error 404: link not valid which means no data available)
