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Stellar Occultation by (1113) Katja on 2021-11-06 (19:50:54 UT)



Event Details
 Occultation UUID [and db] : 43803f1d-6f00-40aa-86fa-f44829ab1533 [observed]

 Occultation Date + Time   : 2021-11-06 at 19:50:54 UT +/- 0.01 min  [1]
 Object Designation        : (1113) Katja
 Star Designation          : GDR3 6861450228071175936
 Star Coordinates (ICRF)   : RA = 20 38 47.3173, DE = -18 22 26.812  [2]
 Star Magnitudes           : G = 13.63 mag, RP = 13.12 mag, BP = 13.98 mag
 Object Magnitude          : V = 15.36 mag
 Estimated Magnitude Drop  : 1.9 mag
 Estimated Max. Duration   : 2.1 sec
 Object Mean Diameter      : 39 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 18.6 km/s
 Elongation to Moon & Sun  : 55° (sunlit = 5%), Sun = 83°
 Cross-track uncertainty   : 2.7 mas = 6 km = 0.17 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#57

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


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