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Stellar Occultation by (133) Cyrene on 2026-04-20 (22:18:52 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] : 3011bb60-33bd-11f1-6999-813bbbec2c9b [asteroids]

 Occultation Date + Time   : 2026-04-20 at 22:18:52 UT +/- 0.01 min  [1]
 Object Designation        : (133) Cyrene
 Star Designation          : GDR3 0870387221460872448
 Star Coordinates (ICRF)   : RA = 07 14 18.0540, DE = +24 06 36.712  [2]
 Star Magnitudes           : G = 11.52 mag, RP = 10.79 mag, BP = 12.1 mag
 Object Magnitude          : V = 14.18 mag
 Estimated Magnitude Drop  : 2.8 mag
 Estimated Max. Duration   : 3.2 sec
 Speed of the shadow       : 21.1 km/s
 Object Mean Diameter      : 66.6 km  (src: astorb) => apparent = 27 mas
 Apparent Motion           : 0.5200 arcs/min @ PA = 105 deg
 Horizontal Parallax       : 2.6170 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 28° (sunlit = 16%), Sun = 76°
 Cross-track uncertainty   : 1.3 mas = 3 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#116
 Note                      : FP:true

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


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