2023-04-04 / UCAC4 541-025333 / (418) Alemannia
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jacques Sanchez
O-
VID
M350
FR
GPS
21:16:00
::.00
21:22:00
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 8aa5c6d0-ddb3-11f0-547e-c946cefb6c71 for map and profile fit
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Event Details
Occultation UUID [and DB] : 8aa5c6d0-ddb3-11f0-547e-c946cefb6c71 [observed]
Occultation Date + Time : 2023-04-04 at 21:16:37 UT +/- 0.0 min [1]
Object Designation : (418) Alemannia
Orbit Class : MBA
Star Designation : GDR3 3370711499501052544
Star Coordinates (ICRF) : RA = 06 21 21.6329, DE = +18 10 04.937 [2]
Star Magnitudes : G = 13.97 mag, RP = 13.4 mag, BP = 14.23 mag
Object Magnitude : V = 14.98 mag
Estimated Magnitude Drop : 1.4 mag
Estimated Max. Duration : 1.6 sec
Object Mean Diameter : 34.1 km (src: astorb)
Speed of the shadow : 21.9 km/s
Elongation to Moon & Sun : 85° (sunlit = 98%), Sun = 80°
Cross-track uncertainty : 0.9 mas = 1 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 6.78 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#112
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)
