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Stellar Occultation by (382303) 2013 BO1 on 2023-09-17 (01:42:06 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] : 0f4928f0-ddb4-11f0-547e-98898f9f6f9e [observed]

 Occultation Date + Time   : 2023-09-17 at 01:42:06 UT +/- 0.05 min  [1]
 Object Designation        : (382303) 2013 BO1
 Star Designation          : GDR3 3357129717697009664
 Star Coordinates (ICRF)   : RA = 06 37 39.6170, DE = +16 03 29.337  [2]
 Star Magnitudes           : G = 11.71 mag, RP = 10.86 mag, BP = 12.46 mag
 Object Magnitude          : V = 20.82 mag
 Estimated Magnitude Drop  : 9.1 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 19.7 km/s
 Object Mean Diameter      : 9.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3033 arcs/min @ PA = 94 deg
 Horizontal Parallax       : 1.6320 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 97° (sunlit = 4%), Sun = 75°
 Cross-track uncertainty   : 3.0 mas = 11 km = 1.30 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#41
 Note                      : FP:true

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


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