🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.42 AU - 0.64 AU

Year: 249 Days

Day: 19.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,533,895 km

• M1: 23,337 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994

Radius: 9.5

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.11 AU

Year: 570 Days

Day: 12 Hours

Environment

Temp: -148 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,533,895 km

• M1: 118,781 km (0.031 R)
• M2: 418,425 km (0.091 R)
• M3: 730,187 km (0.068 R)
• M4: 1,061,098 km (0.089 R)
• M5: 1,442,572 km (0.097 R)
• M6: 1,785,899 km (0.051 R)
• M7: 2,164,532 km (0.084 R)
• M8: 2,574,729 km (0.092 R)
• M9: 3,746,679 km (0.1 R)
• M10: 4,066,220 km (0.085 R)
• M11: 4,563,633 km (0.095 R)
• M12: 5,171,449 km (0.119 R)
• M13: 5,568,781 km (0.088 R)
• M14: 6,084,145 km (0.101 R)
• M15: 6,527,404 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.4

Radius: 12.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.71 AU - 2.07 AU

Year: 1678 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,533,895 km

• M1: 154,235 km (0.112 R)
• M2: 566,078 km (0.081 R)
• M3: 1,444,816 km (0.048 R)
• M4: 2,120,400 km (0.104 R)
• M5: 2,871,382 km (0.117 R)
• M6: 3,742,191 km (0.112 R)
• M7: 4,663,863 km (0.104 R)
• M8: 6,455,896 km (0.1 R)
• M9: 11,170,174 km (0.079 R)
• M10: 12,452,676 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.1

Radius: 11

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.97 AU - 2.79 AU

Year: 2371 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 85.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,533,895 km

• M1: 136,732 km (0.069 R)
• M2: 516,412 km (0.119 R)
• M3: 899,382 km (0.116 R)
• M4: 1,472,342 km (0.112 R)
• M5: 2,605,247 km (0.049 R)
• M6: 3,431,027 km (0.114 R)
• M7: 4,777,558 km (0.05 R)
• M8: 5,285,592 km (0.064 R)
• M9: 5,632,061 km (0.083 R)
• M10: 6,256,482 km (0.117 R)
• M11: 6,704,528 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 8.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.06 AU - 2.94 AU

Year: 2552 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,533,895 km

• M1: 105,915 km (0.091 R)
• M2: 453,431 km (0.064 R)
• M3: 901,178 km (0.027 R)
• M4: 1,616,555 km (0.072 R)
• M5: 2,113,369 km (0.082 R)
• M6: 2,435,453 km (0.091 R)
• M7: 3,031,152 km (0.116 R)
• M8: 3,332,442 km (0.095 R)
• M9: 3,839,429 km (0.09 R)
• M10: 4,120,673 km (0.116 R)
• M11: 4,491,526 km (0.091 R)
• M12: 5,048,330 km (0.027 R)
• M13: 7,553,196 km (0.095 R)
• M14: 8,282,486 km (0.119 R)
• M15: 9,119,486 km (0.096 R)
• M16: 10,044,749 km (0.109 R)
• M17: 11,529,807 km (0.066 R)
• M18: 11,858,324 km (0.113 R)
• M19: 12,842,379 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.4

Radius: 8.1

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.69 AU - 5.17 AU

Year: 7068 Days

Day: 5.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 100.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,533,895 km

• M1: 100,829 km (0.088 R)
• M2: 437,574 km (0.102 R)
• M3: 1,013,675 km (0.114 R)
• M4: 1,421,629 km (0.114 R)
• M5: 2,514,441 km (0.073 R)
• M6: 2,893,971 km (0.085 R)
• M7: 3,377,172 km (0.088 R)
• M8: 3,792,007 km (0.098 R)
• M9: 4,836,200 km (0.086 R)
• M10: 5,303,693 km (0.112 R)
• M11: 5,705,214 km (0.097 R)
• M12: 7,180,099 km (0.089 R)
• M13: 8,723,351 km (0.116 R)
• M14: 9,022,098 km (0.083 R)
• M15: 9,327,726 km (0.105 R)
• M16: 9,867,625 km (0.032 R)
• M17: 11,715,757 km (0.105 R)
• M18: 12,079,878 km (0.11 R)
• M19: 13,669,057 km (0.117 R)
• M20: 13,956,434 km (0.088 R)
• M21: 14,365,734 km (0.112 R)
• M22: 17,864,679 km (0.049 R)
• M23: 18,277,868 km (0.031 R)
• M24: 21,737,468 km (0.039 R)
• M25: 23,993,404 km (0.106 R)
• M26: 26,047,682 km (0.072 R)
• M27: 34,264,943 km (0.099 R)
• M28: 35,224,763 km (0.074 R)
• M29: 36,092,880 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 16,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit