Vall

The TARDIS orbiting Vall.

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

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