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Stellar Occultation by (18) Melpomene on 2021-05-19 (21:20:15 UT)



Event Details
 Occultation UUID [and db] : 37eb80b0-76e7-4264-90b3-0420ec45cb34 [observed]

 Occultation Date + Time   : 2021-05-19 at 21:20:15 UT +/- 0.01 min  [1]
 Object Designation        : (18) Melpomene
 Star Designation          : GDR3 0635045514970137600
 Star Coordinates (ICRF)   : RA = 09 13 13.0503, DE = +17 24 14.691  [2]
 Star Magnitudes           : G = 10.76 mag, RP = 10.08 mag, BP = 11.3 mag
 Object Magnitude          : V = 11.48 mag
 Estimated Magnitude Drop  : 1.2 mag
 Estimated Max. Duration   : 6.1 sec
 Object Mean Diameter      : 141 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 23.0 km/s
 Elongation to Moon & Sun  : 15° (sunlit = 51%), Sun = 76°
 Cross-track uncertainty   : 2.7 mas = 5 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#129

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


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