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Stellar Occultation by (2228) Soyuz-Apollo on 2025-04-02 (01:22:23 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] : 6bfb8f00-ddb6-11f0-547e-b119387b4dde [observed]

 Occultation Date + Time   : 2025-04-02 at 01:22:23 UT +/- 0.0 min  [1]
 Object Designation        : (2228) Soyuz-Apollo
 Star Designation          : GDR3 3678026068910795904
 Star Coordinates (ICRF)   : RA = 13 04 35.3141, DE = -04 23 34.426  [2]
 Star Magnitudes           : G = 14.78 mag, RP = 13.91 mag, BP = 15.58 mag
 Object Magnitude          : V = 16.39 mag
 Estimated Magnitude Drop  : 1.8 mag
 Estimated Max. Duration   : 2.0 sec
 Speed of the shadow       : 14.6 km/s
 Object Mean Diameter      : 29.7 km  (src: astorb) => apparent = 17 mas
 Apparent Motion           : 0.4967 arcs/min @ PA = 294 deg
 Horizontal Parallax       : 3.6020 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 133° (sunlit = 18%), Sun = 175°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.1 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#66
 Note                      : FP:true

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


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