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Stellar Occultation by (4306) Dunaevskij on 2025-09-17 (19:34:57 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] : 73683c10-ddb7-11f0-547e-7a05a32f172d [observed]

 Occultation Date + Time   : 2025-09-17 at 19:34:57 UT +/- 0.01 min  [1]
 Object Designation        : (4306) Dunaevskij
 Star Designation          : GDR3 4081786942181716352
 Star Coordinates (ICRF)   : RA = 19 00 05.8397, DE = -21 40 04.298  [2]
 Star Magnitudes           : G = 13.82 mag, RP = 13.21 mag, BP = 14.26 mag
 Object Magnitude          : V = 17.62 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 1.1 sec
 Speed of the shadow       : 8.7 km/s
 Object Mean Diameter      : 9.4 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.3367 arcs/min @ PA = 90 deg
 Horizontal Parallax       : 4.1020 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 156° (sunlit = 16%), Sun = 109°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#70
 Note                      : FP:true

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


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