2023-09-16 / UCAC4 545-006766 / (110759) 2001 UR18
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Zdenek Sikac
O-
VID
T150
CZ
NTP
01:37:01
01:41:01
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 0b566af0-ddb4-11f0-547e-6b65ed4f694c for map and profile fit
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Event Details
Occultation UUID [and DB] : 0b566af0-ddb4-11f0-547e-6b65ed4f694c [observed]
Occultation Date + Time : 2023-09-16 at 01:34:15 UT +/- 0.02 min [1]
Object Designation : (110759) 2001 UR18
Orbit Class : MBA
Star Designation : GDR3 0057515320107755264
Star Coordinates (ICRF) : RA = 03 25 40.0473, DE = +18 53 41.035 [2]
Star Magnitudes : G = 11.08 mag, RP = 10.32 mag, BP = 11.71 mag
Object Magnitude : V = 19.18 mag
Estimated Magnitude Drop : 8.1 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 2.8 km (src: astorb)
Speed of the shadow : 6.8 km/s
Elongation to Moon & Sun : 130° (sunlit = 1%), Sun = 119°
Cross-track uncertainty : 2.0 mas = 2 km = 0.79 path-width (1-sig)
RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#38
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)
