2025-09-09 / UCAC4 433-081659 / (40140) 1998 QQ68
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
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Daniel Blazewicz
O-
VID
M350
PL
GPS
19:24:56
::
::
19:27:01
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):
Using prediction 675b5d80-ddb7-11f0-547e-2a128b9b984c for map and profile fit
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Event Details
Occultation UUID [and DB] : 675b5d80-ddb7-11f0-547e-2a128b9b984c [observed]
Occultation Date + Time : 2025-09-09 at 19:32:37 UT +/- 0.03 min [1]
Object Designation : (40140) 1998 QQ68
Orbit Class : MBA
Star Designation : GDR3 4258593256642370944
Star Coordinates (ICRF) : RA = 18 44 16.9957, DE = -03 25 36.067 [2]
Star Magnitudes : G = 13.11 mag, RP = 11.69 mag, BP = 15.74 mag
Object Magnitude : V = 19.24 mag
Estimated Magnitude Drop : 6.1 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5.4 km (src: astorb)
Speed of the shadow : 10.0 km/s
Elongation to Moon & Sun : 92° (sunlit = 94%), Sun = 113°
Cross-track uncertainty : 0.6 mas = 1 km = 0.19 path-width (1-sig)
RUWE and duplicate source : 1.07 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
(If error 404: link not valid which means no data available)