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Stellar Occultation by (290954) 2005 WO174 on 2025-09-03 (21:31:05 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] : 61029c00-ddb7-11f0-547e-205b7edf9e0a [observed]

 Occultation Date + Time   : 2025-09-03 at 21:31:05 UT +/- 0.07 min  [1]
 Object Designation        : (290954) 2005 WO174
 Star Designation          : GDR3 4111386619863398016
 Star Coordinates (ICRF)   : RA = 17 27 55.1679, DE = -23 40 30.000  [2]
 Star Magnitudes           : G = 11.82 mag, RP = 11.13 mag, BP = 12.31 mag
 Object Magnitude          : V = 21.44 mag
 Estimated Magnitude Drop  : 9.6 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.0 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.2267 arcs/min @ PA = 123 deg
 Horizontal Parallax       : 2.6780 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 31° (sunlit = 83%), Sun = 101°
 Cross-track uncertainty   : 5.7 mas = 13 km = 4.38 path-width (1-sig)
 RUWE and duplicate source : 0.7 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#33
 Note                      : FP:true

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


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