{
  "comments": {
    "au": "greatly shrunk so planets can actually be seen",
    "tick": "real world second per game tick",
    "length": "kilometre per world units for satellite distance and planetary radius",
    "radius": "note that radius is equatorial, flattening will be implemented later",
    "distance": "virtual distance to look better, in km",
    "sma": "semi-major axis used with mass of parent to calculate orbit, in km",
    "mass": "mass in kg",
    "texture": "a group of texture to use, tried in that order. a list means a colour",
    "model": "used to load a wavefront object instead of a textured sphere"
  },
  "au": 10000,
  "tick": 3600,
  "length": 63.7,
  "bodies": {
    "sun": {
      "texture": ["sun.jpg", [0.99, 0.97, 0.66, 1]],
      "radius": 80000,
      "pitch": -90,
      "yaw": 7.25,
      "mass": 1.9891e+30,
      "rotation": 2164320,
      "light_source": true,
      "atmosphere": {
        "corona_texture": "sun_corona.png",
        "corona_size": 1500,
        "corona_division": 100,
        "corona_prob": 0.5,
        "diffuse_texture": "sun_diffuse.png",
        "diffuse_size": 300
      }
    },
    "mercury": {
      "texture": ["mercury.jpg", "mercury_small.jpg", [0.44, 0.43, 0.43, 1]],
      "radius": 2439.7,
      "z": "0.466697 * AU",
      "pitch": -90,
      "yaw": 0.35,
      "division": 30,
      "rotation": 5067014
    },
    "venus": {
      "texture": ["venus.jpg", [0.655, 0.38, 0.1, 1]],
      "radius": 6051.8,
      "z": "0.723327 * AU",
      "pitch": -90,
      "yaw": 177.36,
      "division": 30,
      "rotation": -20996798
    },
    "earth": {
      "texture": ["earth.jpg", "earth_medium.jpg", "earth_small.jpg", [0.11, 0.32, 0.43, 1]],
      "radius": 6378.1,
      "z": "AU",
      "pitch": -90,
      "yaw": 23.4,
      "roll": -90,
      "mass": 5.97219e+24,
      "rotation": 86400,
      "division": 90,
      "normal": "earth_normal.jpg",
      "atmosphere": {
        "cloud_texture": ["cloudmap.jpg", "cloudmap_small.jpg"],
        "diffuse_texture": "atmosphere_earth.png",
        "diffuse_size": 30
      },
      "orbit_distance": "AU",
      "satellites": {
        "moon": {
          "texture": ["moon.jpg", "moon_medium.jpg", "moon_small.jpg", [0.53, 0.53, 0.53, 1]],
          "radius": 1738.14,
          "distance": 38439,
          "sma": 384399,
          "division": 30,
          "eccentricity": 0.0549,
          "inclination": 5.145,
          "rotation": 0,
          "pitch": -90,
          "yaw": 6.68,
          "roll": -90
        },
        "iss": {
          "model": "satellites/iss.obj",
          "inclination": 51.65,
          "distance": 6800,
          "scale": 5
        },
        "hst": {
          "model": "satellites/hst.obj",
          "inclination": 28.5,
          "distance": 6937,
          "scale": 5
        }
      }
    },
    "mars": {
      "texture": ["mars.jpg", "mars_small.jpg", "mars_medium.jpg", [0.85, 0.47, 0.2, 1]],
      "radius": 3396.2,
      "z": "1.524 * AU",
      "pitch": -90,
      "yaw": 25.19,
      "mass": 6.4185e+23,
      "rotation": 88643,
      "orbit_distance": "AU",
      "division": 30,
      "satellites": {
        "phobos": {
          "distance": 9377,
          "inclination": 26.04,
          "eccentricity": 0.0151,
          "model": "satellites/phobos.obj"
        }
      }
    },
    "jupiter": {
      "texture": ["jupiter.jpg", "jupiter_medium.jpg", "jupiter_small.jpg", [0.65, 0.36, 0.19, 1]],
      "radius": 71492,
      "mass": 1.8986e+27,
      "z": "5.2 * AU",
      "pitch": -90,
      "yaw": 3.13,
      "comment": "satellites here are 3/10 the virtual distance than physical, and five times the size",
      "rotation": 35730,
      "orbit_distance": "3 * AU",
      "satellites": {
        "io": {
          "texture": ["moons/io.jpg", "moons/io_small.jpg", [0.62, 0.56, 0.35, 1]],
          "radius": "1821.3 * 5",
          "distance": 126510,
          "sma": 421700,
          "rotation": 0,
          "pitch": -90,
          "inclination": 2.21,
          "eccentricity": 0.0041
        },
        "europa": {
          "texture": ["moons/europa.jpg", "moons/europa_small.jpg", [0.77, 0.74, 0.65, 1]],
          "radius": "1560.8 * 5",
          "distance": 201270,
          "sma": 670900,
          "pitch": -90,
          "rotation": 0,
          "inclination": 2.71,
          "eccentricity": 0.009
        },
        "ganymede": {
          "texture": ["moons/ganymede.jpg", "moons/ganymede_small.jpg", [0.52, 0.47, 0.46, 1]],
          "radius": "2634.1 * 5",
          "distance": 321120,
          "sma": 1070400,
          "pitch": -90,
          "rotation": 0,
          "inclination": 2.51,
          "eccentricity": 0.0013
        },
        "callisto": {
          "texture": ["moons/callisto.jpg", "moons/callisto_small.jpg", [0.49, 0.43, 0.34, 1]],
          "radius": "2410.3 * 5",
          "distance": 564810,
          "sma": 1882700,
          "pitch": -90,
          "rotation": 0,
          "inclination": 0.192,
          "eccentricity": 0.0074
        }
      }
    },
    "saturn": {
      "texture": ["saturn.jpg", "saturn_medium.jpg", "saturn_small.jpg", [0.9, 0.8, 0.64, 1]],
      "radius": 60268,
      "mass": 5.6846e+26,
      "z": "9.58 * AU",
      "pitch": -90,
      "yaw": 26.73,
      "rotation": 38052,
      "ring": {
        "texture": "ring_saturn.png",
        "distance": 1169,
        "size": 2247
      },
      "orbit_distance": "4 * AU",
      "satellites": {
        "titan": {
          "texture": ["moons/titan.jpg", "moons/titan_small.jpg", [0.52, 0.39, 0.23, 1]],
          "radius": "2576 * 10",
          "distance": "1221870 / 3 + 200000",
          "sma": 1221870,
          "pitch": -90,
          "rotation": 0,
          "inclination": 27.07854,
          "eccentricity": 0.0288
        },
        "rhea": {
          "texture": ["moons/rhea.jpg", "moons/rhea_small.jpg", [0.62, 0.60, 0.59, 1]],
          "radius": "763.8 * 10",
          "distance": "527108 / 3 + 200000",
          "sma": 527108,
          "pitch": -90,
          "rotation": 0,
          "inclination": 27.075,
          "eccentricity": 0.0012583
        },
        "iapetus": {
          "texture": ["moons/iapetus.jpg", "moons/iapetus_small.jpg", [0.62, 0.60, 0.59, 1]],
          "radius": "734.5 * 10",
          "distance": "3560820 / 3 + 200000",
          "sma": 3560820,
          "pitch": -90,
          "rotation": 0,
          "inclination": 17.28,
          "eccentricity": 0.0286125
        },
        "dione": {
          "texture": ["moons/dione.jpg", "moons/dione_small.jpg", [0.46, 0.46, 0.46, 1]],
          "radius": "561.4 * 10",
          "distance": "377396 / 3 + 200000",
          "sma": 377396,
          "pitch": -90,
          "rotation": 0,
          "inclination": 26.711,
          "eccentricity": 0.0022
        },
        "tethys": {
          "texture": ["moons/tethys.jpg", "moons/tethys_small.jpg", [0.68, 0.68, 0.66, 1]],
          "radius": "531.1 * 10",
          "distance": "294619 / 3 + 200000",
          "sma": 294619,
          "pitch": -90,
          "rotation": 0,
          "inclination": 25.61,
          "eccentricity": 0.0001
        },
        "enceladus": {
          "texture": ["moons/enceladus.jpg", "moons/enceladus_small.jpg", [0.74, 0.74, 0.74, 1]],
          "radius": "252.1 * 10",
          "distance": "237948 / 3 + 200000",
          "sma": 237948,
          "pitch": -90,
          "rotation": 0,
          "inclination": 26.711,
          "eccentricity": 0.0047
        },
        "mimas": {
          "texture": ["moons/mimas.jpg", "moons/mimas_small.jpg", [0.47, 0.47, 0.47, 1]],
          "radius": "198.2 * 10",
          "distance": "181902 / 3 + 200000",
          "sma": 181902,
          "pitch": -90,
          "rotation": 0,
          "inclination": 28.304,
          "eccentricity": 0.0196
        },
        "cassini": {
          "model": "satellites/cassini.obj",
          "inclination": 51.65,
          "eccentricity": 0.5,
          "distance": "1221870 / 3 + 200000",
          "sma": 1221870,
          "scale": 100
        }
      }
    },
    "uranus": {
      "texture": ["uranus.jpg", [0, 0.53, 0.84, 1]],
      "radius": 25559,
      "mass": 8.6810e+25,
      "z": "19.23 * AU",
      "pitch": 7.77,
      "rotation": -62064,
      "orbit_distance": "6 * AU",
      "ring": {
        "texture": "ring_uranus.png",
        "pitch": 0,
        "yaw": 0,
        "roll": 90,
        "distance": 421,
        "size": 781
      }
    },
    "neptune": {
      "texture": ["neptune.jpg", [0.31, 0.49, 0.59, 1]],
      "radius": 24764,
      "mass": 1.0243e+26,
      "z": "30.5 * AU",
      "orbit_distance": "6 * AU",
      "rotation": 57996,
      "pitch": -90,
      "yaw": 28.32
    }
  },
  "belts": {
    "main": {
      "model": ["asteroids/mainbelt.obj", "asteroids/mainbelt2.obj"],
      "radius": "2.362 * AU",
      "cross": 1000,
      "scale": 30,
      "count": 1024,
      "rotation": 114536500
    }
  },
  "sky": {
    "texture": "sky.jpg",
    "rotation": 0,
    "radius": 305000000,
    "division": 30,
    "pitch": 90,
    "yaw": 30,
    "roll": 180
  },
  "asteroids": ["asteroids/01.obj", "asteroids/02.obj", "asteroids/03.obj"],
  "start": {
    "z": "AU - 400",
    "yaw": 180
  }
}