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Stellar Occultation by (106) Dione on 2010-01-31 (17:59:41 UT)



Event Details
 Occultation UUID [and db] : ea3c96bb-99ab-4da7-98a2-8268a39bb7aa [observed]

 Occultation Date + Time   : 2010-01-31 at 17:59:41 UT +/- 0.01 min  [1]
 Object Designation        : (106) Dione
 Star Designation          : GDR3 2550347049175255936
 Star Coordinates (ICRF)   : RA = 00 43 28.8267, DE = +02 18 28.425  [2]
 Star Magnitudes           : G = 8.86 mag, RP = 8.47 mag, BP = 9.1 mag
 Object Magnitude          : V = 13.29 mag
 Estimated Magnitude Drop  : 4.5 mag
 Estimated Max. Duration   : 4.3 sec
 Object Mean Diameter      : 147 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 34.0 km/s
 Elongation to Moon & Sun  : 142° (sunlit = 97%), Sun = 59°
 Cross-track uncertainty   : 3.0 mas = 6 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.98 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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