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Stellar Occultation by (103082) 1999 XO159 on 2023-08-19 (20:31:02 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] : f4aa3690-c33a-11ef-5276-02d0defdf703 [observed]

 Occultation Date + Time   : 2023-08-19 at 20:31:02 UT +/- 0.0 min  [1]
 Object Designation        : (103082) 1999 XO159
 Star Designation          : GDR3 2726923119037827584
 Star Coordinates (ICRF)   : RA = 21 56 42.3197, DE = +11 49 28.965  [2]
 Star Magnitudes           : G = 11.0 mag, RP = 10.29 mag, BP = 11.56 mag
 Object Magnitude          : V = 18.02 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 4.0 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 9.7 km/s
 Elongation to Moon & Sun  : 143° (sunlit = 11%), Sun = 156°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 1.23 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#42

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


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