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Stellar Occultation by (117667) 2005 EC205 on 2025-09-15 (01:37:15 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] : 6e70b840-ddb7-11f0-547e-8acdfbbf6d4b [observed]

 Occultation Date + Time   : 2025-09-15 at 01:37:15 UT +/- 0.33 min  [1]
 Object Designation        : (117667) 2005 EC205
 Star Designation          : GDR3 0056891347258232064
 Star Coordinates (ICRF)   : RA = 03 39 23.4156, DE = +18 43 45.528  [2]
 Star Magnitudes           : G = 13.92 mag, RP = 13.24 mag, BP = 14.44 mag
 Object Magnitude          : V = 20.88 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 3.2 km/s
 Object Mean Diameter      : 3.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.0850 arcs/min @ PA = 57 deg
 Horizontal Parallax       : 2.8560 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 34° (sunlit = 43%), Sun = 116°
 Cross-track uncertainty   : 17.7 mas = 39 km = 10.68 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL31
 Note                      : FP:true

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


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