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Stellar Occultation by (218553) 2005 EK41 on 2025-10-11 (22:23:14 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] : 8c5e0be0-ddb8-11f0-547e-90bff5eb28b7 [observed]

 Occultation Date + Time   : 2025-10-11 at 22:23:14 UT +/- 0.03 min  [1]
 Object Designation        : (218553) 2005 EK41
 Star Designation          : GDR3 2503776031589646208
 Star Coordinates (ICRF)   : RA = 02 35 37.3403, DE = +03 33 38.413  [2]
 Star Magnitudes           : G = 13.41 mag, RP = 12.91 mag, BP = 13.75 mag
 Object Magnitude          : V = 20.56 mag
 Estimated Magnitude Drop  : 7.2 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 13.7 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4383 arcs/min @ PA = 255 deg
 Horizontal Parallax       : 3.3850 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 50° (sunlit = 70%), Sun = 158°
 Cross-track uncertainty   : 7.7 mas = 14 km = 4.84 path-width (1-sig)
 RUWE and duplicate source : 0.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#35
 Note                      : FP:true

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


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