[
  {
    "type": "mapgen",
    "om_terrain": "outer_space",
    "object": { "fill_ter": "t_hard_vacuum" }
  },
  {
    "type": "mapgen",
    "om_terrain": [ "high_orbit_salus_4", "high_orbit_salus_4tp" ],
    "object": { "fill_ter": "t_open_air" }
  }
]
