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Stellar Occultation by (226455) 2003 SK105 on 2025-09-05 (19:30:18 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] : 630e4a80-ddb7-11f0-547e-0733ffdd4c83 [observed]

 Occultation Date + Time   : 2025-09-05 at 19:30:18 UT +/- 0.1 min  [1]
 Object Designation        : (226455) 2003 SK105
 Star Designation          : GDR3 4143747579188859648
 Star Coordinates (ICRF)   : RA = 18 00 23.2202, DE = -17 54 23.563  [2]
 Star Magnitudes           : G = 12.85 mag, RP = 11.82 mag, BP = 13.93 mag
 Object Magnitude          : V = 20.81 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 8.3 km/s
 Object Mean Diameter      : 2.6 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.2833 arcs/min @ PA = 96 deg
 Horizontal Parallax       : 3.6490 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 49° (sunlit = 95%), Sun = 107°
 Cross-track uncertainty   : 21.0 mas = 36 km = 14.12 path-width (1-sig)
 RUWE and duplicate source : 0.81 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#27
 Note                      : FP:true

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


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