2025-12-25 / UCAC4 663-012035 / (131451) 2001 QD174
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Michael OConnell
O-
VID
M350
ES
NTP
22:04:45
::
::
22:07:05
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 902a2940-d996-11f1-43f3-da2cbda5673b for map and profile fit
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Event Details
Occultation UUID [and DB] : 902a2940-d996-11f1-43f3-da2cbda5673b [observed]
Occultation Date + Time : 2025-12-25 at 22:07:32 UT +/- 0.09 min [1]
Object Designation : (131451) 2001 QD174
Orbit Class : JTRO
Star Designation : GDR3 0340068574128234368
Star Coordinates (ICRF) : RA = 02 39 47.4806, DE = +42 35 02.311 [2]
Star Magnitudes : G = 15.07 mag, RP = 14.52 mag, BP = 15.45 mag
Object Magnitude : V = 19.83 mag
Estimated Magnitude Drop : 4.8 mag
Estimated Max. Duration : 1.0 sec
Object Mean Diameter : 10.4 km (src: astorb)
Speed of the shadow : 10.4 km/s
Elongation to Moon & Sun : 72° (sunlit = 31%), Sun = 131°
Cross-track uncertainty : 11.0 mas = 34 km = 3.29 path-width (1-sig)
RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL34
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)
