{
    "id": "TEST_GAS_RING", "name": "Aurelius", "body_type": "planet",
    "planet_class": "gas_giant_ringed", "body_scale": "planet", "seed": 88834,
    "star": {"type": "G", "luminosity_solar": 1.0, "color_temp_K": 5800},
    "orbit": {"distance_au": 9.5, "period_days": 10759, "axial_tilt_deg": 27.0},
    "physical": {"gravity_g": 1.1, "oblateness": 0.098, "atmosphere": "dense", "atmosphere_color": [0.85, 0.78, 0.55]},
    "terrain": {"land_fraction": 0.0, "polar_ice_lat": 0.99, "tectonics": "none", "max_elevation_km": 0},
    "environment": {"geothermal_flux": "low", "uv_index": "low", "substrate": "gas", "chemosynthetic": false, "hydrosphere": "none"},
    "clouds": {"enabled": false},
    "gas_giant": {"band_palette": "saturnian", "storm_count": 1, "storm_max_size": 0.05},
    "rings": {"enabled": true, "inner_radius_factor": 1.12, "outer_radius_factor": 2.65, "opacity_base": 0.62, "ring_color": [0.88, 0.78, 0.55]},
    "render": {"globe_light_angle_deg": 135, "specular_ocean": false, "night_side_ambient": 0.010}
}