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Stellar Occultation by (24472) 2000 SY317 on 2024-10-11 (22:29:01 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] : 81b6b820-ddb5-11f0-547e-2a723fb7f452 [observed]

 Occultation Date + Time   : 2024-10-11 at 22:29:01 UT +/- 0.04 min  [1]
 Object Designation        : (24472) 2000 SY317
 Star Designation          : GDR3 0290452046770439552
 Star Coordinates (ICRF)   : RA = 01 29 49.8477, DE = +24 07 07.470  [2]
 Star Magnitudes           : G = 12.93 mag, RP = 12.35 mag, BP = 13.32 mag
 Object Magnitude          : V = 18.43 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 16.7 km/s
 Object Mean Diameter      : 16.3 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.3467 arcs/min @ PA = 237 deg
 Horizontal Parallax       : 2.1980 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 88° (sunlit = 62%), Sun = 163°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.18 path-width (1-sig)
 RUWE and duplicate source : 1.25 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL51
 Note                      : FP:true

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


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