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Stellar Occultation by (348085) 2003 WF100 on 2025-10-06 (05:19:22 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] : 843c9850-ddb8-11f0-547e-f1e8f83df528 [observed]

 Occultation Date + Time   : 2025-10-06 at 05:19:22 UT +/- 0.09 min  [1]
 Object Designation        : (348085) 2003 WF100
 Star Designation          : GDR3 0157511985644201216
 Star Coordinates (ICRF)   : RA = 05 03 36.7470, DE = +31 47 21.642  [2]
 Star Magnitudes           : G = 13.36 mag, RP = 12.7 mag, BP = 13.84 mag
 Object Magnitude          : V = 19.45 mag
 Estimated Magnitude Drop  : 6.1 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 5.3 km/s
 Object Mean Diameter      : 2.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3100 arcs/min @ PA = 110 deg
 Horizontal Parallax       : 6.2810 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 78° (sunlit = 99%), Sun = 115°
 Cross-track uncertainty   : 7.0 mas = 7 km = 3.23 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#28
 Note                      : FP:true

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


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