🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.9

Radius: 14.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 9 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,009,171 km

• M1: 180,415 km (0.032 R)
• M2: 686,654 km (0.067 R)
• M3: 1,412,054 km (0.114 R)
• M4: 2,088,386 km (0.051 R)
• M5: 2,786,859 km (0.043 R)
• M6: 3,420,256 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.9

Radius: 9.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.77 AU - 0.91 AU

Year: 522 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,009,171 km

• M1: 170,990 km (0.118 R)
• M2: 506,688 km (0.068 R)
• M3: 985,401 km (0.114 R)
• M4: 1,437,037 km (0.12 R)
• M5: 1,768,995 km (0.11 R)
• M6: 2,100,504 km (0.049 R)
• M7: 2,641,300 km (0.057 R)
• M8: 3,415,319 km (0.067 R)
• M9: 4,110,501 km (0.086 R)
• M10: 4,881,678 km (0.073 R)
• M11: 5,392,255 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 11.2

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.93 AU - 1.25 AU

Year: 772 Days

Day: 14.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,009,171 km

• M1: 139,874 km (0.101 R)
• M2: 530,624 km (0.109 R)
• M3: 1,452,745 km (0.096 R)
• M4: 2,130,872 km (0.12 R)
• M5: 2,641,001 km (0.063 R)
• M6: 3,282,476 km (0.083 R)
• M7: 4,054,850 km (0.094 R)
• M8: 4,421,215 km (0.118 R)
• M9: 5,655,996 km (0.092 R)
• M10: 6,681,789 km (0.077 R)
• M11: 7,874,084 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557

Radius: 9.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.59 AU - 4.09 AU

Year: 4140 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,009,171 km

• M1: 121,922 km (0.049 R)
• M2: 463,753 km (0.068 R)
• M3: 796,309 km (0.115 R)
• M4: 1,146,219 km (0.096 R)
• M5: 1,468,154 km (0.116 R)
• M6: 1,967,212 km (0.087 R)
• M7: 2,436,052 km (0.084 R)
• M8: 2,873,925 km (0.115 R)
• M9: 3,287,862 km (0.09 R)
• M10: 3,700,453 km (0.067 R)
• M11: 5,790,485 km (0.087 R)
• M12: 6,130,521 km (0.102 R)
• M13: 6,604,746 km (0.042 R)
• M14: 7,264,024 km (0.107 R)
• M15: 7,626,649 km (0.111 R)
• M16: 8,105,512 km (0.092 R)
• M17: 9,237,519 km (0.096 R)
• M18: 10,183,875 km (0.094 R)
• M19: 10,807,249 km (0.073 R)
• M20: 11,722,788 km (0.114 R)
• M21: 12,736,314 km (0.054 R)
• M22: 13,264,544 km (0.106 R)
• M23: 13,907,516 km (0.06 R)
• M24: 17,555,909 km (0.069 R)
• M25: 20,013,802 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 14.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.62 AU - 4.1 AU

Year: 5144 Days

Day: 10.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,009,171 km

• M1: 181,612 km (0.065 R)
• M2: 853,905 km (0.073 R)
• M3: 1,357,900 km (0.116 R)
• M4: 1,871,619 km (0.116 R)
• M5: 3,071,095 km (0.09 R)
• M6: 5,219,021 km (0.089 R)
• M7: 6,192,604 km (0.098 R)
• M8: 6,772,894 km (0.054 R)
• M9: 7,931,530 km (0.092 R)
• M10: 9,550,627 km (0.102 R)
• M11: 10,371,770 km (0.107 R)
• M12: 12,007,473 km (0.104 R)
• M13: 12,758,903 km (0.112 R)
• M14: 14,245,457 km (0.058 R)
• M15: 16,022,979 km (0.074 R)
• M16: 17,624,574 km (0.09 R)
• M17: 18,927,272 km (0.077 R)
• M18: 21,216,120 km (0.087 R)
• M19: 21,944,661 km (0.089 R)
• M20: 22,992,744 km (0.069 R)
• M21: 24,152,427 km (0.087 R)
• M22: 26,588,329 km (0.099 R)
• M23: 27,350,081 km (0.082 R)
• M24: 28,475,955 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.1

Radius: 7.8

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.7 AU - 7.8 AU

Year: 14633 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,009,171 km

• M1: 97,089 km (0.12 R)
• M2: 686,355 km (0.098 R)
• M3: 1,096,403 km (0.095 R)
• M4: 5,117,145 km (0.072 R)
• M5: 5,841,946 km (0.106 R)
• M6: 6,268,749 km (0.038 R)
• M7: 8,092,497 km (0.114 R)
• M8: 9,074,457 km (0.119 R)
• M9: 10,244,013 km (0.075 R)
• M10: 13,204,854 km (0.051 R)
• M11: 13,669,805 km (0.035 R)
• M12: 14,145,526 km (0.084 R)
• M13: 23,338,465 km (0.095 R)
• M14: 26,033,021 km (0.116 R)
• M15: 27,724,076 km (0.12 R)
• M16: 35,222,370 km (0.039 R)
• M17: 42,228,487 km (0.068 R)
• M18: 48,054,426 km (0.103 R)
• M19: 56,451,355 km (0.03 R)
• M20: 60,720,579 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.7

Radius: 6.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.06 AU - 10.36 AU

Year: 17435 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,009,171 km

• M1: 120,277 km (0.104 R)
• M2: 377,585 km (0.069 R)
• M3: 590,912 km (0.098 R)
• M4: 981,661 km (0.105 R)
• M5: 1,317,808 km (0.101 R)
• M6: 1,671,307 km (0.029 R)
• M7: 2,345,395 km (0.083 R)
• M8: 3,876,081 km (0.092 R)
• M9: 4,953,485 km (0.07 R)
• M10: 6,148,024 km (0.096 R)
• M11: 6,646,484 km (0.116 R)
• M12: 7,764,279 km (0.052 R)
• M13: 14,217,183 km (0.11 R)
• M14: 14,648,025 km (0.079 R)
• M15: 15,926,937 km (0.067 R)
• M16: 17,558,003 km (0.058 R)
• M17: 20,363,113 km (0.055 R)
• M18: 20,753,114 km (0.108 R)
• M19: 27,029,642 km (0.107 R)
• M20: 28,653,827 km (0.098 R)
• M21: 29,639,078 km (0.116 R)
• M22: 31,158,843 km (0.112 R)
• M23: 33,589,060 km (0.097 R)
• M24: 36,714,609 km (0.044 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 18,283 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit