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Stellar Occultation by (38600) 1999 XR213 on 2023-12-25 (21:33:51 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : 4d519790-ddb4-11f0-547e-3bef7f5e4e58 [observed]

 Occultation Date + Time   : 2023-12-25 at 21:33:51 UT +/- 0.04 min  [1]
 Object Designation        : (38600) 1999 XR213
 Star Designation          : GDR3 3374540862279158656
 Star Coordinates (ICRF)   : RA = 06 06 54.7532, DE = +19 22 29.783  [2]
 Star Magnitudes           : G = 9.49 mag, RP = 8.79 mag, BP = 10.03 mag
 Object Magnitude          : V = 18.47 mag
 Estimated Magnitude Drop  : 9.0 mag
 Estimated Max. Duration   : 0.9 sec
 Speed of the shadow       : 17.0 km/s
 Object Mean Diameter      : 14.8 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3517 arcs/min @ PA = 278 deg
 Horizontal Parallax       : 2.1900 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 14° (sunlit = 99%), Sun = 175°
 Cross-track uncertainty   : 2.0 mas = 5 km = 0.39 path-width (1-sig)
 RUWE and duplicate source : 0.88 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#51
 Note                      : FP:true

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


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