# Test Configuration: Sun + Mars (circular orbit) # Mars at 1.5 AU with circular orbit # Expected orbital period: ~687 days # # Format: name mass(kg) radius(m) x(m) y(m) z(m) parent_index r g b eccentricity semi_major_axis(m) # Sun at origin (index 0) Sun 1.989e30 6.96e8 0 0 0 -1 1.0 1.0 0.0 0 0 # Mars at 1.5 AU - circular orbit (index 1, parent Sun) Mars 6.39e23 3.3895e6 2.244e11 0 0 0 0.8 0.3 0.1 0 2.244e11