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Stellar Occultation by (78958) 2003 SU228 on 2024-08-03 (22:15:50 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] : 21c827f0-ddb5-11f0-547e-6ec0d5ab6271 [observed]

 Occultation Date + Time   : 2024-08-03 at 22:15:50 UT +/- 0.0 min  [1]
 Object Designation        : (78958) 2003 SU228
 Star Designation          : GDR3 2678250415039983488
 Star Coordinates (ICRF)   : RA = 22 22 22.5460, DE = -00 14 48.318  [2]
 Star Magnitudes           : G = 12.23 mag, RP = 11.72 mag, BP = 12.56 mag
 Object Magnitude          : V = 19.42 mag
 Estimated Magnitude Drop  : 7.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 10.4 km/s
 Object Mean Diameter      : 4.3 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3783 arcs/min @ PA = 254 deg
 Horizontal Parallax       : 3.8530 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 146° (sunlit = 0%), Sun = 153°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.27 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#54
 Note                      : FP:true

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


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