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Stellar Occultation by (4546) Franck on 2025-10-31 (04:54:19 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] : a68db0b0-ddb8-11f0-547e-af4a1b8df271 [observed]

 Occultation Date + Time   : 2025-10-31 at 04:54:19 UT +/- 0.0 min  [1]
 Object Designation        : (4546) Franck
 Star Designation          : GDR3 0587662237465397632
 Star Coordinates (ICRF)   : RA = 09 22 13.2411, DE = +09 01 37.106  [2]
 Star Magnitudes           : G = 11.53 mag, RP = 10.96 mag, BP = 11.95 mag
 Object Magnitude          : V = 18.23 mag
 Estimated Magnitude Drop  : 6.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 24.5 km/s
 Object Mean Diameter      : 6.5 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.9217 arcs/min @ PA = 112 deg
 Horizontal Parallax       : 4.0010 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 170° (sunlit = 66%), Sun = 78°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 1.15 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65
 Note                      : FP:true

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


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