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Stellar Occultation by (1113) Katja on 2018-02-21 (21:52:41 UT)



Event Details
 Occultation UUID [and db] : 765cc27d-5bd2-413f-848b-44e9649ff7b7 [observed]

 Occultation Date + Time   : 2018-02-21 at 21:52:41 UT +/- 0.02 min  [1]
 Object Designation        : (1113) Katja
 Star Designation          : GDR3 0181973194488036864
 Star Coordinates (ICRF)   : RA = 05 15 08.8809, DE = +34 10 53.899  [2]
 Star Magnitudes           : G = 10.45 mag, RP = 9.51 mag, BP = 11.36 mag
 Object Magnitude          : V = 14.2 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 3.3 sec
 Object Mean Diameter      : 39 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 11.6 km/s
 Elongation to Moon & Sun  : 39° (sunlit = 34%), Sun = 107°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.26 mas, dup.src = 0  (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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