🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 8.7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.73 AU - 0.83 AU

Year: 445 Days

Day: 9 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,414,582 km

• M1: 108,159 km (0.056 R)
• M2: 387,010 km (0.052 R)
• M3: 769,083 km (0.101 R)
• M4: 1,070,223 km (0.054 R)
• M5: 1,444,667 km (0.115 R)
• M6: 2,700,541 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 14

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.93 AU - 1.37 AU

Year: 796 Days

Day: 8.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,414,582 km

• M1: 174,132 km (0.119 R)
• M2: 614,997 km (0.058 R)
• M3: 1,210,696 km (0.089 R)
• M4: 1,686,267 km (0.116 R)
• M5: 2,248,306 km (0.106 R)
• M6: 2,815,282 km (0.026 R)
• M7: 3,729,475 km (0.085 R)
• M8: 4,368,108 km (0.055 R)
• M9: 4,937,777 km (0.108 R)
• M10: 5,905,226 km (0.074 R)
• M11: 6,951,215 km (0.091 R)
• M12: 7,495,601 km (0.082 R)
• M13: 7,970,874 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.6

Radius: 14

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.22 AU - 1.6 AU

Year: 1081 Days

Day: 7.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,414,582 km

• M1: 174,132 km (0.109 R)
• M2: 638,484 km (0.062 R)
• M3: 1,284,447 km (0.067 R)
• M4: 2,410,171 km (0.07 R)
• M5: 3,026,963 km (0.077 R)
• M6: 3,686,391 km (0.12 R)
• M7: 4,353,448 km (0.116 R)
• M8: 4,891,701 km (0.12 R)
• M9: 6,367,783 km (0.085 R)
• M10: 8,018,147 km (0.091 R)
• M11: 8,499,403 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.8

Radius: 10.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.15 AU - 1.71 AU

Year: 1104 Days

Day: 12.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,414,582 km

• M1: 131,796 km (0.101 R)
• M2: 471,832 km (0.103 R)
• M3: 1,008,589 km (0.052 R)
• M4: 1,452,296 km (0.089 R)
• M5: 1,857,706 km (0.097 R)
• M6: 3,001,232 km (0.115 R)
• M7: 3,384,203 km (0.052 R)
• M8: 4,012,664 km (0.112 R)
• M9: 4,648,305 km (0.106 R)
• M10: 5,218,871 km (0.071 R)
• M11: 6,308,393 km (0.077 R)
• M12: 6,718,141 km (0.098 R)
• M13: 8,616,089 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 10.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.38 AU - 2.24 AU

Year: 1572 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,414,582 km

• M1: 130,599 km (0.118 R)
• M2: 672,891 km (0.107 R)
• M3: 1,076,955 km (0.118 R)
• M4: 1,871,170 km (0.104 R)
• M5: 2,339,262 km (0.084 R)
• M6: 2,848,942 km (0.089 R)
• M7: 3,246,124 km (0.088 R)
• M8: 5,274,821 km (0.091 R)
• M9: 5,627,124 km (0.079 R)
• M10: 6,054,675 km (0.1 R)
• M11: 6,483,123 km (0.071 R)
• M12: 7,701,598 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 11.7

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.31 AU - 2.79 AU

Year: 2629 Days

Day: 11.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,414,582 km

• M1: 145,559 km (0.104 R)
• M2: 524,041 km (0.084 R)
• M3: 996,771 km (0.06 R)
• M4: 1,364,781 km (0.11 R)
• M5: 2,088,237 km (0.05 R)
• M6: 2,645,040 km (0.099 R)
• M7: 3,209,622 km (0.057 R)
• M8: 5,951,751 km (0.111 R)
• M9: 6,955,852 km (0.111 R)
• M10: 8,374,040 km (0.094 R)
• M11: 9,483,308 km (0.119 R)
• M12: 10,210,055 km (0.084 R)
• M13: 12,123,860 km (0.09 R)
• M14: 13,732,187 km (0.115 R)
• M15: 14,167,816 km (0.071 R)
• M16: 14,562,754 km (0.115 R)
• M17: 16,978,610 km (0.109 R)
• M18: 17,992,884 km (0.115 R)
• M19: 19,106,790 km (0.106 R)
• M20: 19,650,129 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 8.1

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.09 AU - 3.19 AU

Year: 2770 Days

Day: 6 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,414,582 km

• M1: 102,026 km (0.095 R)
• M2: 1,054,216 km (0.026 R)
• M3: 1,404,425 km (0.119 R)
• M4: 1,795,324 km (0.102 R)
• M5: 2,685,880 km (0.086 R)
• M6: 4,302,435 km (0.113 R)
• M7: 4,635,739 km (0.089 R)
• M8: 5,058,502 km (0.082 R)
• M9: 5,506,698 km (0.073 R)
• M10: 6,453,951 km (0.03 R)
• M11: 7,011,652 km (0.088 R)
• M12: 8,878,484 km (0.096 R)
• M13: 10,569,389 km (0.1 R)
• M14: 10,850,483 km (0.109 R)
• M15: 12,420,363 km (0.07 R)
• M16: 14,330,429 km (0.105 R)
• M17: 15,227,866 km (0.064 R)
• M18: 16,056,639 km (0.075 R)
• M19: 16,969,634 km (0.025 R)
• M20: 18,144,875 km (0.083 R)
• M21: 19,016,881 km (0.104 R)
• M22: 19,553,339 km (0.044 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 15,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit