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Stellar Occultation by (193311) 2000 SY304 on 2023-11-10 (21:23:32 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] : 36971c50-ddb4-11f0-547e-52bedc7d6506 [observed]

 Occultation Date + Time   : 2023-11-10 at 21:23:32 UT +/- 0.04 min  [1]
 Object Designation        : (193311) 2000 SY304
 Star Designation          : GDR3 2669598220602052736
 Star Coordinates (ICRF)   : RA = 21 48 19.6823, DE = -05 26 12.634  [2]
 Star Magnitudes           : G = 12.24 mag, RP = 11.59 mag, BP = 12.73 mag
 Object Magnitude          : V = 20.7 mag
 Estimated Magnitude Drop  : 8.5 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 9.3 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2100 arcs/min @ PA = 90 deg
 Horizontal Parallax       : 2.3950 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 128° (sunlit = 6%), Sun = 99°
 Cross-track uncertainty   : 3.7 mas = 9 km = 1.89 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#33
 Note                      : FP:true

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


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