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Stellar Occultation by (1054) Forsytia on 2025-10-27 (21:34:15 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] : b3463890-ddb8-11f0-547e-d703ebfd39a0 [observed]

 Occultation Date + Time   : 2025-10-27 at 21:34:15 UT +/- 0.01 min  [1]
 Object Designation        : (1054) Forsytia
 Star Designation          : GDR3 3393299836318533120
 Star Coordinates (ICRF)   : RA = 05 01 20.7270, DE = +15 59 46.005  [2]
 Star Magnitudes           : G = 11.56 mag, RP = 10.79 mag, BP = 12.22 mag
 Object Magnitude          : V = 14.7 mag
 Estimated Magnitude Drop  : 3.2 mag
 Estimated Max. Duration   : 9.1 sec
 Speed of the shadow       : 5.0 km/s
 Object Mean Diameter      : 45.5 km  (src: astorb) => apparent = 35 mas
 Apparent Motion           : 0.2333 arcs/min @ PA = 284 deg
 Horizontal Parallax       : 4.9670 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 149° (sunlit = 33%), Sun = 138°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.39 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#77
 Note                      : FP:true

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


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