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2020-10-25 / 4UC 551-000519 / (18063) 1999 XW211

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.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 | More

4 observations found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#40 : 4030490d-60d8-46ee-a1f2-4f802ff36494 [db: observed]

Using prediction 4030490d-60d8-46ee-a1f2-4f802ff36494 for map and profile fit

Get observations as KML file (reduced site location resolution)


Map with groundtrack and observer stations

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

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