2023-12-14 / UCAC4 524-031825 / (264144) 2009 UJ91
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
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Alberto Ossola
O-
VID
M230
CH
GPS
20:26:51
20:29:30
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 c7662d4b-bd30-4547-a20c-5c4c77413676 for map and profile fit
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Event Details
Occultation UUID [and DB] : c7662d4b-bd30-4547-a20c-5c4c77413676 [observed]
Occultation Date + Time : 2023-12-14 at 20:23:57 UT +/- 0.13 min [1]
Object Designation : (264144) 2009 UJ91
Orbit Class : JTRO
Star Designation : GDR3 3357451939025441024
Star Coordinates (ICRF) : RA = 06 44 24.1574, DE = +14 42 09.036 [2]
Star Magnitudes : G = 11.61 mag, RP = 10.71 mag, BP = 12.45 mag
Object Magnitude : V = 20.31 mag
Estimated Magnitude Drop : 8.7 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 15.8 km/s
Elongation to Moon & Sun : 165° (sunlit = 4%), Sun = 160°
Cross-track uncertainty : 27.7 mas = 87 km = 10.92 path-width (1-sig)
RUWE and duplicate source : 1.12 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#24
[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)