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Stellar Occultation by (310432) 1999 XN226 on 2023-10-03 (03:31:44 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] : 1a695d90-ddb4-11f0-547e-ce51ffbe330d [observed]

 Occultation Date + Time   : 2023-10-03 at 03:31:44 UT +/- 0.07 min  [1]
 Object Designation        : (310432) 1999 XN226
 Star Designation          : GDR3 0886687893658208896
 Star Coordinates (ICRF)   : RA = 07 19 44.8295, DE = +30 34 45.311  [2]
 Star Magnitudes           : G = 10.56 mag, RP = 9.81 mag, BP = 11.18 mag
 Object Magnitude          : V = 20.57 mag
 Estimated Magnitude Drop  : 10.0 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 16.0 km/s
 Object Mean Diameter      : 9.3 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2617 arcs/min @ PA = 101 deg
 Horizontal Parallax       : 1.7340 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 48° (sunlit = 83%), Sun = 83°
 Cross-track uncertainty   : 18.3 mas = 67 km = 7.24 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL27
 Note                      : FP:true

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


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