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Stellar Occultation by (5223) McSween on 2024-10-24 (21:27:56 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] : 91347a80-ddb5-11f0-547e-6dd6cfed2aba [observed]

 Occultation Date + Time   : 2024-10-24 at 21:27:56 UT +/- 0.01 min  [1]
 Object Designation        : (5223) McSween
 Star Designation          : GDR3 0256710405739894400
 Star Coordinates (ICRF)   : RA = 04 24 03.9980, DE = +45 10 56.248  [2]
 Star Magnitudes           : G = 10.86 mag, RP = 10.52 mag, BP = 11.06 mag
 Object Magnitude          : V = 17.84 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.9 sec
 Speed of the shadow       : 8.8 km/s
 Object Mean Diameter      : 7.8 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3583 arcs/min @ PA = 310 deg
 Horizontal Parallax       : 4.3250 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 58° (sunlit = 44%), Sun = 135°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.28 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57
 Note                      : FP:true

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


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