2020-10-25 / 4UC 551-000519 / (18063) 1999 XW211
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show
Bjoern Kattentidt
O+
VID
M279
DE
GPS++
20:33:33
20:34:14.11
20:34:15.71
20:36:06
0.16
0.16
1.60
22.9
2
show
Gregor Krannich
O-
CCD
M350
DE
20:32:51
20:35:31
3
show
Michal Rottenborn
O-
CCD
M303
CZ
20:31:56
20:35:56
4
show
Jiri Kubanek
O-
CCD
M203
CZ
20:31:45
20:36:06
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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4 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Using prediction 4030490d-60d8-46ee-a1f2-4f802ff36494 for map and profile fit
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Event Details
Occultation UUID [and DB] : 4030490d-60d8-46ee-a1f2-4f802ff36494 [observed]
Occultation Date + Time : 2020-10-25 at 20:34:56 UT +/- 0.05 min [1]
Object Designation : (18063) 1999 XW211
Orbit Class : JTRO
Star Designation : GDR3 2797814028159306880
Star Coordinates (ICRF) : RA = 00 14 16.9163, DE = +20 04 47.852 [2]
Star Magnitudes : G = 12.88 mag, RP = 12.24 mag, BP = 13.35 mag
Object Magnitude : V = 18.18 mag
Estimated Magnitude Drop : 5.3 mag
Estimated Max. Duration : 1.3 sec
Object Mean Diameter : 19 km (src: astorb)
Speed of the shadow : 14.3 km/s
Elongation to Moon & Sun : 47° (sunlit = 73%), Sun = 153°
Cross-track uncertainty : 9.7 mas = 27 km = 1.49 path-width (1-sig)
RUWE and duplicate source : 1.86 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)