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Stellar Occultation by (87) Sylvia on 2020-05-13 (22:28:31 UT)



Event Details
 Occultation UUID [and db] : e9a861ea-2cd6-449d-8a89-610afed1f92f [observed]

 Occultation Date + Time   : 2020-05-13 at 22:28:31 UT +/- 0.01 min  [1]
 Object Designation        : (87) Sylvia
 Star Designation          : GDR3 0876224185093266176
 Star Coordinates (ICRF)   : RA = 08 06 17.7441, DE = +29 02 55.172  [2]
 Star Magnitudes           : G = 13.36 mag, RP = 12.91 mag, BP = 13.65 mag
 Object Magnitude          : V = 13.7 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 9.8 sec
 Object Mean Diameter      : 261 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 26.8 km/s
 Elongation to Moon & Sun  : 161° (sunlit = 56%), Sun = 64°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#114

 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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