{
  "bus_temp_k": 300,
  "conduction_bus_to_cold_w_k": 0.01,
  "conduction_cold_to_radiator_w_k": 0.55,
  "conduction_fpa_to_detector_w_k": 0.05,
  "conduction_structure_to_focal_plane_w_k": 0.205,
  "conduction_structure_to_optics_w_k": 0.05,
  "conduction_structure_to_radiator_w_k": 0.4,
  "detector_dissipation_w": 1.0,
  "detector_subsystem": {
    "harnessing": {
      "bundle_count": 1,
      "data_links_per_bundle": 2,
      "power_feeds_per_bundle": 1
    },
    "readout_electronics": {
      "box_count": 2,
      "box_depth_m": 0.085,
      "box_height_m": 0.04,
      "box_width_m": 0.06,
      "center_y_offset_m": 0.0,
      "lateral_pitch_m": 0.11,
      "rear_overlap_m": 0.01
    },
    "service_envelope": {
      "depth_m": 0.32,
      "height_m": 0.24,
      "width_m": 0.38
    },
    "thermal_strap": {
      "anchor_pitch_m": 0.036,
      "detector_anchor_y_offset_m": -0.022,
      "detector_anchor_z_offset_m": 0.03,
      "package_clearance_y_m": 0.055,
      "package_clearance_z_m": 0.02,
      "radiator_attach_edge_margin_m": 0.08,
      "radiator_attach_pitch_m": 0.14,
      "strap_count": 2,
      "strap_radius_m": 0.005
    }
  },
  "focal_plane_dissipation_w": 2.0,
  "focal_plane_layout": {
    "allowed_envelope_depth_m": 0.22,
    "allowed_envelope_height_m": 0.28,
    "allowed_envelope_width_m": 0.34,
    "cold_finger_length_m": 0.16,
    "cold_finger_radius_m": 0.022,
    "detector_package_depth_m": 0.048,
    "detector_package_height_m": 0.1,
    "detector_package_setback_m": 0.018,
    "detector_package_width_m": 0.12,
    "front_aperture_diameter_m": 0.09,
    "front_frame_thickness_m": 0.008,
    "harness_exit": {
      "center_z_offset_m": 0.085,
      "depth_m": 0.07,
      "height_m": 0.06,
      "offset_y_m": 0.0,
      "width_m": 0.05
    },
    "housing_wall_thickness_m": 0.01,
    "package_depth_m": 0.14,
    "package_height_m": 0.15,
    "package_width_m": 0.18,
    "shim_stack": {
      "center_z_offset_m": 0.015,
      "inner_diameter_m": 0.052,
      "outer_diameter_m": 0.078,
      "thickness_m": 0.006
    }
  },
  "mli_effective_emissivity": 0.02,
  "optics_absorptivity_solar": 0.1,
  "optics_emissivity": 0.2,
  "primary_mirror_mount": {
    "axial_support_stiffness_n_m": 60000000.0,
    "fem_azimuthal_divisions": 24,
    "fem_radial_rings": 7,
    "launch_in_plane_stiffness_n_m": 120000000.0,
    "launch_preload_n": 180.0,
    "mesh_convergence_relative_tolerance": 0.1,
    "mirror_poisson_ratio": 0.24,
    "on_orbit_in_plane_stiffness_n_m": 8000000.0,
    "pad_radius_m": 0.038,
    "residual_preload_n": 15.0
  },
  "primary_space_view_factor": 0.92,
  "radiator_absorptivity_solar": 0.05,
  "radiator_area_m2": 5.0,
  "radiator_earth_view_factor": 0.002,
  "radiator_emissivity": 0.9,
  "solar_cell_efficiency": 0.3,
  "structure_dissipation_w": 0.0,
  "structure_earth_view_factor": 0.02,
  "structure_space_view_factor": 0.35,
  "sunshield_absorptivity_solar": 0.25,
  "sunshield_emissivity": 0.7,
  "sunshield_layer_spacing_m": 0.12,
  "sunshield_layers": 4,
  "sunshield_radius_m": 2.5,
  "sunshield_solar_cell_fraction": 0.7,
  "telescope_earth_view_factor": 0.02,
  "vgroove_absorptivity_solar": 0.15,
  "vgroove_earth_view_factor": 0.01,
  "vgroove_effective_emissivity": 0.05,
  "vgroove_emissivity": 0.6,
  "vgroove_inner_radius_m": 0.35,
  "vgroove_layers": 3,
  "vgroove_length_m": 2.0,
  "vgroove_outer_radius_m": 1.2,
  "vgroove_space_view_factor": 0.7
}
