Balch (no image)

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"