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Stellar Occultation by (48833) 1997 YA5 on 2023-06-16 (22:00:06 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] : b2ce89d0-ddb3-11f0-547e-32fcfff37ef3 [observed]

 Occultation Date + Time   : 2023-06-16 at 22:00:06 UT +/- 0.0 min  [1]
 Object Designation        : (48833) 1997 YA5
 Star Designation          : GDR3 4086585687642382976
 Star Coordinates (ICRF)   : RA = 18 56 16.2923, DE = -18 30 25.307  [2]
 Star Magnitudes           : G = 12.21 mag, RP = 11.69 mag, BP = 12.55 mag
 Object Magnitude          : V = 18.02 mag
 Estimated Magnitude Drop  : 5.8 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 13.9 km/s
 Object Mean Diameter      : 7.4 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5250 arcs/min @ PA = 285 deg
 Horizontal Parallax       : 4.0200 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 147° (sunlit = 2%), Sun = 162°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 2.54 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL57
 Note                      : FP:true

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


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