🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 9.7

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.72 AU - 0.88 AU

Year: 503 Days

Day: 11.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,107,778 km

• M1: 120,576 km (0.107 R)
• M2: 435,180 km (0.108 R)
• M3: 739,013 km (0.081 R)
• M4: 1,059,003 km (0.073 R)
• M5: 1,645,128 km (0.064 R)
• M6: 2,207,765 km (0.117 R)
• M7: 3,275,595 km (0.051 R)
• M8: 3,890,442 km (0.039 R)
• M9: 4,269,074 km (0.05 R)
• M10: 4,922,967 km (0.12 R)
• M11: 5,265,845 km (0.094 R)
• M12: 6,110,175 km (0.114 R)
• M13: 6,487,461 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.8

Radius: 11.1

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.66 AU - 1.08 AU

Year: 570 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,107,778 km

• M1: 138,827 km (0.114 R)
• M2: 499,507 km (0.078 R)
• M3: 866,620 km (0.039 R)
• M4: 1,294,919 km (0.088 R)
• M5: 1,644,978 km (0.108 R)
• M6: 2,096,165 km (0.107 R)
• M7: 2,554,084 km (0.067 R)
• M8: 3,315,238 km (0.104 R)
• M9: 4,297,498 km (0.074 R)
• M10: 5,356,501 km (0.115 R)
• M11: 5,758,172 km (0.081 R)
• M12: 6,140,843 km (0.107 R)
• M13: 6,809,396 km (0.077 R)
• M14: 7,661,505 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182

Radius: 11.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.85 AU - 1.09 AU

Year: 672 Days

Day: 9.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 18,107,778 km

• M1: 149,448 km (0.083 R)
• M2: 629,059 km (0.056 R)
• M3: 1,107,473 km (0.082 R)
• M4: 2,502,772 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 13.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.02 AU - 1.32 AU

Year: 890 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,107,778 km

• M1: 172,038 km (0.098 R)
• M2: 631,153 km (0.095 R)
• M3: 1,384,379 km (0.049 R)
• M4: 1,832,724 km (0.093 R)
• M5: 2,290,194 km (0.104 R)
• M6: 2,992,556 km (0.12 R)
• M7: 3,847,956 km (0.105 R)
• M8: 4,523,840 km (0.081 R)
• M9: 5,803,350 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.2

Radius: 14.4

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.86 AU - 1.86 AU

Year: 1783 Days

Day: 13.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,107,778 km

• M1: 179,368 km (0.078 R)
• M2: 865,124 km (0.082 R)
• M3: 1,339,649 km (0.104 R)
• M4: 1,877,752 km (0.086 R)
• M5: 2,579,666 km (0.086 R)
• M6: 3,189,277 km (0.111 R)
• M7: 3,644,204 km (0.103 R)
• M8: 5,585,087 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 8.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.86 AU - 1.88 AU

Year: 1798 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,107,778 km

• M1: 105,766 km (0.12 R)
• M2: 387,758 km (0.078 R)
• M3: 779,255 km (0.098 R)
• M4: 1,206,058 km (0.053 R)
• M5: 1,820,307 km (0.09 R)
• M6: 2,362,150 km (0.105 R)
• M7: 3,553,697 km (0.101 R)
• M8: 4,898,732 km (0.061 R)
• M9: 5,924,076 km (0.114 R)
• M10: 6,968,269 km (0.071 R)
• M11: 7,771,460 km (0.087 R)
• M12: 8,554,006 km (0.097 R)
• M13: 9,532,227 km (0.071 R)
• M14: 9,914,000 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.5

Radius: 10.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.25 AU - 3.47 AU

Year: 3400 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,107,778 km

• M1: 134,488 km (0.092 R)
• M2: 554,709 km (0.118 R)
• M3: 979,866 km (0.104 R)
• M4: 1,409,661 km (0.112 R)
• M5: 1,953,150 km (0.108 R)
• M6: 2,327,444 km (0.044 R)
• M7: 3,732,616 km (0.087 R)
• M8: 4,417,924 km (0.104 R)
• M9: 5,540,058 km (0.045 R)
• M10: 6,405,482 km (0.039 R)
• M11: 7,011,951 km (0.119 R)
• M12: 7,358,719 km (0.092 R)
• M13: 9,721,618 km (0.084 R)
• M14: 10,978,689 km (0.12 R)
• M15: 15,110,432 km (0.053 R)
• M16: 16,589,057 km (0.04 R)
• M17: 17,574,010 km (0.038 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 19,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit