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Stellar Occultation by (1656) Suomi on 2025-10-14 (19:07:02 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] : 90887bb0-ddb8-11f0-547e-bba6fdff6592 [observed]

 Occultation Date + Time   : 2025-10-14 at 19:07:02 UT +/- 0.0 min  [1]
 Object Designation        : (1656) Suomi
 Star Designation          : GDR3 4209032288975418112
 Star Coordinates (ICRF)   : RA = 19 38 12.9618, DE = -05 32 24.680  [2]
 Star Magnitudes           : G = 12.64 mag, RP = 11.8 mag, BP = 13.4 mag
 Object Magnitude          : V = 16.91 mag
 Estimated Magnitude Drop  : 4.3 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 19.2 km/s
 Object Mean Diameter      : 8.1 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.9250 arcs/min @ PA = 122 deg
 Horizontal Parallax       : 5.1290 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 159° (sunlit = 39%), Sun = 94°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.1 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL70
 Note                      : FP:true

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


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