2023-12-05 / UCAC4 646-033220 / (125542) 2001 WU91
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Alberto Ossola
O-
VID
M230
CH
GPS
20:49:04
20:51:41
2
show Stefano Sposetti
O-
VID
M420
CH
GPS
20:48:35
20:53:35
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 4385f670-ddb4-11f0-547e-7bbe5fff5257 for map and profile fit
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Event Details
Occultation UUID [and DB] : 4385f670-ddb4-11f0-547e-7bbe5fff5257 [observed]
Occultation Date + Time : 2023-12-05 at 20:46:42 UT +/- 0.0 min [1]
Object Designation : (125542) 2001 WU91
Orbit Class : MBA
Star Designation : GDR3 0191415839004776960
Star Coordinates (ICRF) : RA = 05 49 50.9668, DE = +39 07 10.317 [2]
Star Magnitudes : G = 12.77 mag, RP = 12.14 mag, BP = 13.22 mag
Object Magnitude : V = 18.4 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 3.2 km (src: astorb)
Speed of the shadow : 15.8 km/s
Elongation to Moon & Sun : 82° (sunlit = 44%), Sun = 159°
Cross-track uncertainty : 1.9 mas = 1 km = 0.61 path-width (1-sig)
RUWE and duplicate source : 9.3 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#40
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)
