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Stellar Occultation by (38) Leda on 2023-09-24 (01:37:46 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] : 2a43e5f0-ddb4-11f0-547e-e08bafe368a8 [observed]

 Occultation Date + Time   : 2023-09-24 at 01:37:46 UT +/- 0.0 min  [1]
 Object Designation        : (38) Leda
 Star Designation          : GDR3 0676895538863853184
 Star Coordinates (ICRF)   : RA = 08 10 17.2137, DE = +21 57 47.120  [2]
 Star Magnitudes           : G = 12.36 mag, RP = 11.9 mag, BP = 12.66 mag
 Object Magnitude          : V = 13.51 mag
 Estimated Magnitude Drop  : 1.5 mag
 Estimated Max. Duration   : 3.5 sec
 Speed of the shadow       : 33.6 km/s
 Object Mean Diameter      : 115.9 km  (src: astorb) => apparent = 60 mas
 Apparent Motion           : 1.0467 arcs/min @ PA = 105 deg
 Horizontal Parallax       : 3.3130 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 167° (sunlit = 64%), Sun = 61°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#145
 Note                      : FP:true

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


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