Vall

Mechanical Jeb probe in low Vall orbit. Laythe and Jool in the background.

A topographic map of Vall made with ISA MapSat

A bump map in approximate natural colors.

Vall is one of the four natural satellites of Jool and has an icy surface, which is somewhat hilly.

Characteristics

• Equatorial Radius: >300 km

• Minimum Elevation: 0 m

• Maximum Elevation: >2114 m

• Mass: ... kg (Approximately 0.2936763 Jool Masses)

• Density: ... g/cm³

• Surface Gravity: ... m/s² or ... g

• Gravitational parameter: ... km³/s²

• Escape velocity from surface: ~1100 m/s

• Rotation Period: 4 hours, 41 minutes, 4 seconds; Rotation: 76.86 degrees per hour, or ... m/s

Orbital Characteristics

• Parent Body: Jool

• Semi-Major Axis: 43,152 km

• Velocity: 2558.8 m/s

• Longitude of Ascending Node: 0°

• Argument of Periapsis: 0°

• Mean Anomaly at Epoch UT = ... radians

• Orbital Period: 4 hours, 41 minutes, 4 seconds

• Synodic Period from Jool's Surface: ... hours, ... minutes, ... seconds

• Sphere of influence: ... km or ... body radii

Changes

0.17

• Initial Release