🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 14.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.62 AU - 1.02 AU

Year: 513 Days

Day: 5.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,908,158 km

• M1: 177,872 km (0.069 R)
• M2: 830,268 km (0.109 R)
• M3: 1,290,132 km (0.064 R)
• M4: 1,799,064 km (0.105 R)
• M5: 2,299,319 km (0.105 R)
• M6: 2,924,489 km (0.117 R)
• M7: 3,399,163 km (0.106 R)
• M8: 3,848,854 km (0.091 R)
• M9: 4,548,972 km (0.096 R)
• M10: 5,461,220 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.2

Radius: 11

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.04 AU - 1.26 AU

Year: 851 Days

Day: 6 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,908,158 km

• M1: 136,882 km (0.109 R)
• M2: 487,839 km (0.11 R)
• M3: 832,363 km (0.115 R)
• M4: 1,186,461 km (0.106 R)
• M5: 1,571,974 km (0.088 R)
• M6: 2,067,742 km (0.11 R)
• M7: 2,494,096 km (0.104 R)
• M8: 3,185,537 km (0.103 R)
• M9: 3,705,689 km (0.072 R)
• M10: 4,125,311 km (0.119 R)
• M11: 5,950,255 km (0.058 R)
• M12: 6,356,563 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 13.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.1 AU - 1.58 AU

Year: 1071 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,908,158 km

• M1: 162,912 km (0.111 R)
• M2: 654,191 km (0.111 R)
• M3: 1,257,669 km (0.072 R)
• M4: 2,306,500 km (0.099 R)
• M5: 4,092,699 km (0.115 R)
• M6: 4,539,996 km (0.097 R)
• M7: 5,263,003 km (0.111 R)
• M8: 6,295,078 km (0.076 R)
• M9: 6,893,919 km (0.069 R)
• M10: 7,409,583 km (0.066 R)
• M11: 9,308,428 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.5

Radius: 14.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.13 AU - 1.83 AU

Year: 1243 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,908,158 km

• M1: 175,329 km (0.062 R)
• M2: 927,956 km (0.097 R)
• M3: 1,375,852 km (0.081 R)
• M4: 2,339,561 km (0.084 R)
• M5: 2,806,157 km (0.058 R)
• M6: 3,250,762 km (0.112 R)
• M7: 4,299,293 km (0.103 R)
• M8: 6,347,587 km (0.108 R)
• M9: 6,817,175 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.5

Radius: 8.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.99 AU - 2.07 AU

Year: 1996 Days

Day: 8.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,908,158 km

• M1: 114,143 km (0.097 R)
• M2: 405,111 km (0.11 R)
• M3: 824,733 km (0.096 R)
• M4: 1,608,626 km (0.027 R)
• M5: 1,898,397 km (0.085 R)
• M6: 2,625,443 km (0.118 R)
• M7: 3,940,707 km (0.118 R)
• M8: 4,773,219 km (0.111 R)
• M9: 5,563,994 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.1

Radius: 11.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.78 AU - 5.02 AU

Year: 6371 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,908,158 km

• M1: 148,251 km (0.078 R)
• M2: 704,456 km (0.101 R)
• M3: 1,209,050 km (0.063 R)
• M4: 1,625,231 km (0.088 R)
• M5: 2,349,435 km (0.075 R)
• M6: 3,278,437 km (0.06 R)
• M7: 4,703,656 km (0.026 R)
• M8: 5,950,255 km (0.118 R)
• M9: 7,841,172 km (0.099 R)
• M10: 10,387,627 km (0.098 R)
• M11: 11,271,152 km (0.111 R)
• M12: 12,404,805 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.2

Radius: 5.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.99 AU - 7.85 AU

Year: 13951 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,908,158 km

• M1: 72,106 km (0.066 R)
• M2: 268,678 km (0.115 R)
• M3: 731,384 km (0.048 R)
• M4: 1,194,389 km (0.117 R)
• M5: 2,072,978 km (0.073 R)
• M6: 2,629,183 km (0.097 R)
• M7: 3,007,964 km (0.056 R)
• M8: 3,260,037 km (0.093 R)
• M9: 7,773,105 km (0.113 R)
• M10: 9,178,278 km (0.106 R)
• M11: 9,585,484 km (0.116 R)
• M12: 15,282,918 km (0.12 R)
• M13: 19,789,704 km (0.118 R)
• M14: 22,162,027 km (0.087 R)
• M15: 24,795,249 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 17,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit