2023-12-25 / UCAC4 554-029314 / (429759) 2011 WR72
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Daniel Antuszewicz
O-
VID
M200
PL
NTP
21:51:42
21:53:33
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 0298d3c8-69a9-4350-a89a-7d371b9c1710 for map and profile fit
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Event Details
Occultation UUID [and DB] : 0298d3c8-69a9-4350-a89a-7d371b9c1710 [observed]
Occultation Date + Time : 2023-12-25 at 21:52:15 UT +/- 0.13 min [1]
Object Designation : (429759) 2011 WR72
Orbit Class : JTRO
Star Designation : GDR3 3372823626977112832
Star Coordinates (ICRF) : RA = 06 38 13.2618, DE = +20 44 45.910 [2]
Star Magnitudes : G = 11.42 mag, RP = 10.68 mag, BP = 12.03 mag
Object Magnitude : V = 19.56 mag
Estimated Magnitude Drop : 8.1 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 9 km (src: astorb)
Speed of the shadow : 18.1 km/s
Elongation to Moon & Sun : 20° (sunlit = 99%), Sun = 174°
Cross-track uncertainty : 35.3 mas = 101 km = 11.29 path-width (1-sig)
RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#23
[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)