2022-11-25 / 4UC 656-020599 / (11428) Alcinoos
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Simon Kidd
O+
CCD
M350
UK
GPS++
21:54:20
21:54:27.15
21:54:28.35
21:55:20
0.14
0.14
1.20
20.6
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: euraster
Available (probably) matching predictions (click on the link to switch):
Using prediction 67af26bf-ffae-4560-97be-06030b322adf for map and profile fit
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Event Details
Occultation UUID [and DB] : 67af26bf-ffae-4560-97be-06030b322adf [observed]
Occultation Date + Time : 2022-11-25 at 21:52:30 UT +/- 0.06 min [1]
Object Designation : (11428) Alcinoos
Orbit Class : JTRO
Star Designation : GDR3 0227914539806048512
Star Coordinates (ICRF) : RA = 04 19 15.9278, DE = +41 05 27.722 [2]
Star Magnitudes : G = 13.37 mag, RP = 12.67 mag, BP = 13.92 mag
Object Magnitude : V = 18.34 mag
Estimated Magnitude Drop : 5.0 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 20 km (src: astorb)
Speed of the shadow : 17.2 km/s
Elongation to Moon & Sun : 155° (sunlit = 5%), Sun = 160°
Cross-track uncertainty : 6.0 mas = 18 km = 0.95 path-width (1-sig)
RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#40
[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)