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Stellar Occultation by (200) Dynamene on 2025-08-15 (03:26:19 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] : 42333050-ddb7-11f0-547e-b22eddfe39f6 [observed]

 Occultation Date + Time   : 2025-08-15 at 03:26:19 UT +/- 0.0 min  [1]
 Object Designation        : (200) Dynamene
 Star Designation          : GDR3 3445756230409900928
 Star Coordinates (ICRF)   : RA = 05 25 24.8412, DE = +29 12 31.820  [2]
 Star Magnitudes           : G = 7.52 mag, RP = 6.39 mag, BP = 8.83 mag
 Object Magnitude          : V = 13.55 mag
 Estimated Magnitude Drop  : 6.0 mag
 Estimated Max. Duration   : 3.8 sec
 Speed of the shadow       : 33.5 km/s
 Object Mean Diameter      : 128.4 km  (src: astorb) => apparent = 65 mas
 Apparent Motion           : 1.0217 arcs/min @ PA = 84 deg
 Horizontal Parallax       : 3.2400 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 44° (sunlit = 62%), Sun = 60°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#134
 Note                      : FP:true

 Object is a <Gaia mass determination> target !

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


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