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Stellar Occultation by (5447) Lallement on 2023-10-31 (00:43:15 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] : 3116b970-ddb4-11f0-547e-c9dcf3dbe8b4 [observed]

 Occultation Date + Time   : 2023-10-31 at 00:43:15 UT +/- 0.01 min  [1]
 Object Designation        : (5447) Lallement
 Star Designation          : GDR3 0185734967362337408
 Star Coordinates (ICRF)   : RA = 05 07 46.3983, DE = +36 38 44.512  [2]
 Star Magnitudes           : G = 12.87 mag, RP = 12.46 mag, BP = 13.12 mag
 Object Magnitude          : V = 17.09 mag
 Estimated Magnitude Drop  : 4.2 mag
 Estimated Max. Duration   : 1.7 sec
 Speed of the shadow       : 6.0 km/s
 Object Mean Diameter      : 10.4 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.2517 arcs/min @ PA = 308 deg
 Horizontal Parallax       : 4.4750 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 17° (sunlit = 94%), Sun = 136°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57
 Note                      : FP:true

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


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