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Stellar Occultation by (987) Wallia on 2018-12-30 (23:11:01 UT)



Event Details
 Occultation UUID [and db] : 28f0b1e8-1c58-4982-bf3c-3bf09f185193 [observed]

 Occultation Date + Time   : 2018-12-30 at 23:11:01 UT +/- 0.02 min  [1]
 Object Designation        : (987) Wallia
 Star Designation          : GDR3 0666389709556628096
 Star Coordinates (ICRF)   : RA = 08 34 24.0677, DE = +23 52 10.616  [2]
 Star Magnitudes           : G = 14.25 mag, RP = 13.74 mag, BP = 14.59 mag
 Object Magnitude          : V = 15.19 mag
 Estimated Magnitude Drop  : 1.3 mag
 Estimated Max. Duration   : 3.2 sec
 Object Mean Diameter      : 44 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.6 km/s
 Elongation to Moon & Sun  : 83° (sunlit = 33%), Sun = 154°
 Cross-track uncertainty   : 3.0 mas = 5 km = 0.13 path-width (1-sig)
 RUWE and duplicate source : 1.17 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62

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


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