empyrean.VelocityTangent¶ class VelocityTangent[source] Bases: object Thrust aligned with the velocity vector relative to the central body: d^=v^body\hat{d} = \hat{v}_\text{body}d^=v^body. Methods __init__() ‹ Previous empyrean.ConstantRTN Next › empyrean.InertialFixed