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2017-11-19 / 4UC 563-016974 / (38409) 1999 RK205

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Stefano Sposetti O+ VID M280 CH GPS++ 21:19:41 21:22:57.89 21:22:58.89 21:24:50 0.04 0.04 1.00 13.1
2 show C. Perello/A. Selva O- VID M500 ES 21:21:24 21:25:51
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#35 : 6c1a03f5-031c-455a-ab05-bd314575deb2 [db: observed]

Using prediction 6c1a03f5-031c-455a-ab05-bd314575deb2 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2017-11-19, 21:22 UT (JD = 2458077.390)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 21751.54.959 180°, 30° 2.451381e66696.40.0° None2018-07-19 not scaled 2018-07-18
# 21761.54.959 19°, 58° 2.451381e66696.40.0° None2018-07-19 not scaled 2018-07-18
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0

   
Image size: 300px. Transparent image background for copy & paste

Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 6c1a03f5-031c-455a-ab05-bd314575deb2 [observed]

 Occultation Date + Time   : 2017-11-19 at 21:20:08 UT +/- 0.02 min  [1]
 Object Designation        : (38409) 1999 RK205
 Orbit Class               : MBA
 Star Designation          : GDR3 3416016944842308224
 Star Coordinates (ICRF)   : RA = 05 27 21.1674, DE = +22 25 10.549  [2]
 Star Magnitudes           : G = 11.73 mag, RP = 10.68 mag, BP = 12.17 mag
 Object Magnitude          : V = 18.77 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 6 km  (src: astorb)
 Speed of the shadow       : 13.1 km/s
 Elongation to Moon & Sun  : 170° (sunlit = 2%), Sun = 155°
 Cross-track uncertainty   : 2.0 mas = 3 km = 0.57 path-width (1-sig)
 RUWE and duplicate source : 7.29 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#35

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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