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Stellar Occultation by (55929) 1998 FW64 on 2025-04-06 (21:29:32 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] : 657e7ca0-ddb6-11f0-547e-4b79db7f8931 [observed]

 Occultation Date + Time   : 2025-04-06 at 21:29:32 UT +/- 0.0 min  [1]
 Object Designation        : (55929) 1998 FW64
 Star Designation          : GDR3 0899787612629337856
 Star Coordinates (ICRF)   : RA = 07 27 49.7193, DE = +38 30 29.806  [2]
 Star Magnitudes           : G = 12.84 mag, RP = 12.42 mag, BP = 13.1 mag
 Object Magnitude          : V = 19.95 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 15.9 km/s
 Object Mean Diameter      : 6.4 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3850 arcs/min @ PA = 133 deg
 Horizontal Parallax       : 2.5640 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 24° (sunlit = 68%), Sun = 90°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.12 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#45
 Note                      : FP:true

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


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