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Stellar Occultation by (1139) Atami on 2026-09-03 (21:14:34 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] : 9cdfc190-d9af-11f1-43f3-2f5dfffedaba [observed]

 Occultation Date + Time   : 2026-09-03 at 21:14:34 UT +/- 0.0 min  [1]
 Object Designation        : (1139) Atami
 Star Designation          : GDR3 4346748285015543552
 Star Coordinates (ICRF)   : RA = 16 03 29.3447, DE = -09 50 28.197  [2]
 Star Magnitudes           : G = 13.62 mag, RP = 12.85 mag, BP = 14.24 mag
 Object Magnitude          : V = 17.37 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 19.7 km/s
 Object Mean Diameter      : 10.7 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.7050 arcs/min @ PA = 106 deg
 Horizontal Parallax       : 3.7990 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 163° (sunlit = 55%), Sun = 80°
 Cross-track uncertainty   : 0.2 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL108
 Note                      : FP:true

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


More Data and Informations
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