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Stellar Occultation by (19565) 1999 KF4 on 2021-10-30 (19:17:56 UT)



Event Details
 Occultation UUID [and db] : 9faf82c9-f8fd-41f6-a5bc-74796afd935a [observed]

 Occultation Date + Time   : 2021-10-30 at 19:17:56 UT +/- 0.67 min  [1]
 Object Designation        : (19565) 1999 KF4
 Star Designation          : GDR3 2865983508565084032
 Star Coordinates (ICRF)   : RA = 23 37 10.3072, DE = +27 26 48.780  [2]
 Star Magnitudes           : G = 13.82 mag, RP = 13.1 mag, BP = 14.41 mag
 Object Magnitude          : V = 16.76 mag
 Estimated Magnitude Drop  : 3.0 mag
 Estimated Max. Duration   : 0.8 sec
 Object Mean Diameter      : 10 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 12.7 km/s
 Elongation to Moon & Sun  : 132° (sunlit = 31%), Sun = 140°
 Cross-track uncertainty   : 3.7 mas = 4 km = 0.47 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#39

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


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