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Stellar Occultation by (221) Eos on 2018-05-31 (22:13:57 UT)



Event Details
 Occultation UUID [and db] : 9e3c52ad-6a42-4848-ac15-463a63c0dd07 [observed]

 Occultation Date + Time   : 2018-05-31 at 22:13:57 UT +/- 0.01 min  [1]
 Object Designation        : (221) Eos
 Star Designation          : GDR3 0621952019406146176
 Star Coordinates (ICRF)   : RA = 10 07 26.7964, DE = +16 11 52.991  [2]
 Star Magnitudes           : G = 13.73 mag, RP = 13.24 mag, BP = 14.06 mag
 Object Magnitude          : V = 13.96 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 5.1 sec
 Object Mean Diameter      : 104 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 20.3 km/s
 Elongation to Moon & Sun  : 128° (sunlit = 95%), Sun = 78°
 Cross-track uncertainty   : 1.3 mas = 3 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#59

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


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