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Stellar Occultation by (48153) 2001 FW172 on 2024-09-30 (21:47:02 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] : 7d9262d0-ddb5-11f0-547e-f135fe659c84 [observed]

 Occultation Date + Time   : 2024-09-30 at 21:47:02 UT +/- 0.01 min  [1]
 Object Designation        : (48153) 2001 FW172
 Star Designation          : GDR3 6795254748995712384
 Star Coordinates (ICRF)   : RA = 20 43 09.7953, DE = -29 37 10.504  [2]
 Star Magnitudes           : G = 13.44 mag, RP = 13.0 mag, BP = 13.71 mag
 Object Magnitude          : V = 17.9 mag
 Estimated Magnitude Drop  : 4.5 mag
 Estimated Max. Duration   : 1.4 sec
 Speed of the shadow       : 5.6 km/s
 Object Mean Diameter      : 7.6 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.2300 arcs/min @ PA = 64 deg
 Horizontal Parallax       : 4.3280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 137° (sunlit = 3%), Sun = 117°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.03 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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