Balch   Balch


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  • Name:   Balch
  • Diameter (km):   39.4
  • Latitude:   29.9°
  • Longitude:  282.9°
  • Confidence Level:  1
  • Elev surrounding terrain (km):  6054.44
  • Crater density per 1x10^6 km^2:  3.50141
  • DN inside crater:  143
  • DN outside crater:  140
  • DN difference:  3
  • Continuous ejecta radius (km):  26.9
  • Flow length, dist from rim (km):  
  • Dark halo diam (km):  
  • Ejecta completeness (radial):  0.3
  • Rim completeness:  0.9
  • Planform:  c
  • Morphologic class:  3
  • Central structure diam (km):  12.7
  • Wall terracing:  u
  • Wall width (km):  
  • Multiple crater:  s
  • Floor reflectivity:  d
  • Parabolic feature:  n
  • Direction impactor travelling:  
  • Multiple asteriods grp #:  
  • Terrain:  t
  • Interior modification:  y
  • Exterior modification:  n
  • Tectonically deformed:  y
  • Degradation state:  2
  • Comments:  "rifted in half; crater diam listed is pre-rift, diam in direction of rifting is 51.9 km"