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Stellar Occultation by (154155) 2002 GS11 on 2024-08-23 (22:18:54 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] : 46f58540-ddb5-11f0-547e-3637bcdd8dcf [observed]

 Occultation Date + Time   : 2024-08-23 at 22:18:54 UT +/- 0.03 min  [1]
 Object Designation        : (154155) 2002 GS11
 Star Designation          : GDR3 4107257743196377216
 Star Coordinates (ICRF)   : RA = 18 45 39.2325, DE = -09 58 26.995  [2]
 Star Magnitudes           : G = 11.99 mag, RP = 10.85 mag, BP = 13.38 mag
 Object Magnitude          : V = 18.1 mag
 Estimated Magnitude Drop  : 6.1 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 8.1 km/s
 Object Mean Diameter      : 4.0 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4817 arcs/min @ PA = 157 deg
 Horizontal Parallax       : 6.2980 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 106° (sunlit = 77%), Sun = 129°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.18 path-width (1-sig)
 RUWE and duplicate source : 0.88 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#45
 Note                      : FP:true

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


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