2025-11-23 / UCAC4 498-026721 / (239977) 2001 QO329
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show William Stewart
O-
VID
M279
GB
GPS
22:43:48
::
::
22:45:47
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction c28bfb00-ddb8-11f0-547e-f36c7fbfd7da for map and profile fit
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Event Details
Occultation UUID [and DB] : c28bfb00-ddb8-11f0-547e-f36c7fbfd7da [observed]
Occultation Date + Time : 2025-11-23 at 22:40:45 UT +/- 0.07 min [1]
Object Designation : (239977) 2001 QO329
Orbit Class : MBA
Star Designation : GDR3 3327393322647276032
Star Coordinates (ICRF) : RA = 06 24 05.6860, DE = +09 30 36.415 [2]
Star Magnitudes : G = 12.89 mag, RP = 12.55 mag, BP = 13.1 mag
Object Magnitude : V = 20.71 mag
Estimated Magnitude Drop : 7.8 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3.0 km (src: astorb)
Speed of the shadow : 10.5 km/s
Elongation to Moon & Sun : 161° (sunlit = 12%), Sun = 143°
Cross-track uncertainty : 20.3 mas = 38 km = 12.93 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#27
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)
