Gretchen (no image)

Name:   Gretchen

Diameter (km):   21.2

Latitude:   -59.7°

Longitude:  213.2°

Confidence Level:  1

Elev surrounding terrain (km):  6051.11

Crater density per 1x10^6 km^2:  3.1831

DN inside crater:  93

DN outside crater:  90

DN difference:  3

Continuous ejecta radius (km):  13.4

Flow length, dist from rim (km):  

Dark halo diam (km):  

Ejecta completeness (radial):  1

Rim completeness:  1

Planform:  c

Morphologic class:  3

Central structure diam (km):  7.9

Wall terracing:  t

Wall width (km):  2.9

Multiple crater:  s

Floor reflectivity:  d

Parabolic feature:  n

Direction impactor travelling:  

Multiple asteriods grp #:  

Terrain:  p

Interior modification:  y

Exterior modification:  n

Tectonically deformed:  y

Degradation state:  1

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