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Stellar Occultation by (917) Lyka on 2018-09-15 (01:55:31 UT)



Event Details
 Occultation UUID [and db] : 0160beab-c331-47bf-9d20-6f3a0a7478d7 [observed]

 Occultation Date + Time   : 2018-09-15 at 01:55:31 UT +/- 0.02 min  [1]
 Object Designation        : (917) Lyka
 Star Designation          : GDR3 2583211726607052416
 Star Coordinates (ICRF)   : RA = 01 05 12.8193, DE = +11 02 17.843  [2]
 Star Magnitudes           : G = 11.84 mag, RP = 11.36 mag, BP = 12.15 mag
 Object Magnitude          : V = 13.93 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 5.7 sec
 Object Mean Diameter      : 28 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 4.9 km/s
 Elongation to Moon & Sun  : 138° (sunlit = 32%), Sun = 153°
 Cross-track uncertainty   : 4.7 mas = 3 km = 0.12 path-width (1-sig)
 RUWE and duplicate source : 1.38 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#58

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


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