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Stellar Occultation by (48153) 2001 FW172 on 2025-11-04 (20:01:49 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] : aaff3ba0-ddb8-11f0-547e-f29ec5ff1a80 [observed]

 Occultation Date + Time   : 2025-11-04 at 20:01:49 UT +/- 0.0 min  [1]
 Object Designation        : (48153) 2001 FW172
 Star Designation          : GDR3 0002365569203031168
 Star Coordinates (ICRF)   : RA = 03 11 04.5518, DE = +03 14 19.651  [2]
 Star Magnitudes           : G = 13.35 mag, RP = 12.85 mag, BP = 13.68 mag
 Object Magnitude          : V = 18.14 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 14.7 km/s
 Object Mean Diameter      : 7.6 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5133 arcs/min @ PA = 261 deg
 Horizontal Parallax       : 3.7100 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 22° (sunlit = 99%), Sun = 166°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.23 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL61
 Note                      : FP:true

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


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