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Stellar Occultation by (11945) Amsterdam on 2020-10-31 (21:24:16 UT)



Event Details
 Occultation UUID [and db] : df9425e2-351f-47c3-a35a-f7314415fb20 [observed]

 Occultation Date + Time   : 2020-10-31 at 21:24:16 UT +/- 0.03 min  [1]
 Object Designation        : (11945) Amsterdam
 Star Designation          : GDR3 2507785916136302080
 Star Coordinates (ICRF)   : RA = 01 54 56.9325, DE = +00 13 36.379  [2]
 Star Magnitudes           : G = 11.64 mag, RP = 11.21 mag, BP = 11.91 mag
 Object Magnitude          : V = 17.45 mag
 Estimated Magnitude Drop  : 5.8 mag
 Estimated Max. Duration   : 0.7 sec
 Object Mean Diameter      : 7 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 11.3 km/s
 Elongation to Moon & Sun  : 17° (sunlit = 100%), Sun = 164°
 Cross-track uncertainty   : 3.3 mas = 4 km = 0.62 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50

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


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