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Stellar Occultation by (106) Dione on 2020-10-26 (19:52:20 UT)



Event Details
 Occultation UUID [and db] : 39b2c0a3-3519-4bb2-a8fe-2ae0ba584c5d [observed]

 Occultation Date + Time   : 2020-10-26 at 19:52:20 UT +/- 0.02 min  [1]
 Object Designation        : (106) Dione
 Star Designation          : GDR3 6830120159631392768
 Star Coordinates (ICRF)   : RA = 21 30 15.0677, DE = -20 23 45.027  [2]
 Star Magnitudes           : G = 14.7 mag, RP = 14.06 mag, BP = 15.19 mag
 Object Magnitude          : V = 13.02 mag
 Estimated Magnitude Drop  : 0.2 mag
 Estimated Max. Duration   : 15.1 sec
 Object Mean Diameter      : 147 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 9.7 km/s
 Elongation to Moon & Sun  : 23° (sunlit = 81%), Sun = 104°
 Cross-track uncertainty   : 2.3 mas = 4 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#141

 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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