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Stellar Occultation by (104) Klymene on 2026-04-20 (21:08:30 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] : 45698ed0-33bc-11f1-6999-8459dff9f442 [asteroids]

 Occultation Date + Time   : 2026-04-20 at 21:08:30 UT +/- 0.0 min  [1]
 Object Designation        : (104) Klymene
 Star Designation          : GDR3 0146770066276371072
 Star Coordinates (ICRF)   : RA = 04 39 17.3934, DE = +23 42 54.798  [2]
 Star Magnitudes           : G = 14.82 mag, RP = 14.08 mag, BP = 15.36 mag
 Object Magnitude          : V = 14.05 mag
 Estimated Magnitude Drop  : 0.4 mag
 Estimated Max. Duration   : 3.0 sec
 Speed of the shadow       : 41.3 km/s
 Object Mean Diameter      : 123.7 km  (src: astorb) => apparent = 51 mas
 Apparent Motion           : 1.0300 arcs/min @ PA = 82 deg
 Horizontal Parallax       : 2.6540 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 7° (sunlit = 16%), Sun = 41°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#141
 Note                      : FP:true

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


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