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Stellar Occultation by (73756) 1994 CS9 on 2026-10-21 (21:42:45 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] : 769430c0-d9b4-11f1-43f3-d5a2d7fb871e [observed]

 Occultation Date + Time   : 2026-10-21 at 21:42:45 UT +/- 0.07 min  [1]
 Object Designation        : (73756) 1994 CS9
 Star Designation          : GDR3 3402325929131773952
 Star Coordinates (ICRF)   : RA = 05 22 56.8894, DE = +21 14 40.201  [2]
 Star Magnitudes           : G = 12.31 mag, RP = 11.26 mag, BP = 13.44 mag
 Object Magnitude          : V = 20.26 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 3.8 km/s
 Object Mean Diameter      : 4.5 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.1083 arcs/min @ PA = 265 deg
 Horizontal Parallax       : 3.0130 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 107° (sunlit = 80%), Sun = 127°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.47 path-width (1-sig)
 RUWE and duplicate source : 1.25 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL45
 Note                      : FP:true

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


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