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Stellar Occultation by (243) Ida on 2026-04-19 (20:28:10 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] : 1267e720-33c1-11f1-6999-1423ddffd86c [asteroids]

 Occultation Date + Time   : 2026-04-19 at 20:28:10 UT +/- 0.0 min  [1]
 Object Designation        : (243) Ida
 Star Designation          : GDR3 3379779554149951616
 Star Coordinates (ICRF)   : RA = 06 42 31.9351, DE = +23 30 30.760  [2]
 Star Magnitudes           : G = 12.72 mag, RP = 12.36 mag, BP = 12.94 mag
 Object Magnitude          : V = 15.61 mag
 Estimated Magnitude Drop  : 3.0 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 26.9 km/s
 Object Mean Diameter      : 28.0 km  (src: astorb) => apparent = 13 mas
 Apparent Motion           : 0.7567 arcs/min @ PA = 95 deg
 Horizontal Parallax       : 2.9960 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 37° (sunlit = 8%), Sun = 70°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#190
 Note                      : FP:true

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


More Data and Informations
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