🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 14.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.57 AU - 0.93 AU

Year: 433 Days

Day: 12.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,392,744 km

• M1: 180,265 km (0.1 R)
• M2: 746,344 km (0.091 R)
• M3: 1,360,144 km (0.104 R)
• M4: 1,823,299 km (0.115 R)
• M5: 2,536,581 km (0.119 R)
• M6: 2,990,611 km (0.049 R)
• M7: 3,805,620 km (0.047 R)
• M8: 4,299,443 km (0.105 R)
• M9: 4,893,496 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.1

Radius: 10.7

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.68 AU - 1.02 AU

Year: 523 Days

Day: 14.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,392,744 km

• M1: 133,142 km (0.114 R)
• M2: 657,931 km (0.054 R)
• M3: 1,138,889 km (0.088 R)
• M4: 1,586,635 km (0.088 R)
• M5: 1,951,953 km (0.095 R)
• M6: 2,527,606 km (0.101 R)
• M7: 2,960,392 km (0.108 R)
• M8: 3,313,892 km (0.045 R)
• M9: 4,659,974 km (0.113 R)
• M10: 6,869,534 km (0.085 R)
• M11: 7,361,711 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106

Radius: 8.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.97 AU - 1.43 AU

Year: 877 Days

Day: 6.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,392,744 km

• M1: 102,026 km (0.077 R)
• M2: 368,609 km (0.111 R)
• M3: 2,490,805 km (0.045 R)
• M4: 3,827,162 km (0.102 R)
• M5: 4,771,125 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 15

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.09 AU - 1.71 AU

Year: 1105 Days

Day: 14 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,392,744 km

• M1: 189,541 km (0.102 R)
• M2: 659,876 km (0.093 R)
• M3: 1,451,399 km (0.079 R)
• M4: 3,048,505 km (0.095 R)
• M5: 3,757,749 km (0.115 R)
• M6: 4,259,500 km (0.089 R)
• M7: 5,255,822 km (0.116 R)
• M8: 5,790,485 km (0.115 R)
• M9: 7,211,365 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 9

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.64 AU - 2.68 AU

Year: 2117 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,392,744 km

• M1: 126,410 km (0.082 R)
• M2: 465,100 km (0.118 R)
• M3: 977,173 km (0.039 R)
• M4: 1,321,398 km (0.059 R)
• M5: 2,183,979 km (0.109 R)
• M6: 3,080,519 km (0.108 R)
• M7: 4,045,426 km (0.067 R)
• M8: 5,678,586 km (0.109 R)
• M9: 6,134,560 km (0.107 R)
• M10: 8,238,504 km (0.03 R)
• M11: 12,130,443 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 11.7

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.42 AU - 4.4 AU

Year: 5156 Days

Day: 14.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,392,744 km

• M1: 145,559 km (0.059 R)
• M2: 514,018 km (0.098 R)
• M3: 889,509 km (0.091 R)
• M4: 1,259,764 km (0.053 R)
• M5: 2,000,124 km (0.074 R)
• M6: 2,900,254 km (0.088 R)
• M7: 5,813,373 km (0.097 R)
• M8: 8,324,523 km (0.105 R)
• M9: 10,969,114 km (0.088 R)
• M10: 11,770,510 km (0.084 R)
• M11: 12,354,391 km (0.11 R)
• M12: 14,789,694 km (0.08 R)

Asteroid Belt

Center: 5.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.5

Radius: 5.2

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.37 AU - 8.91 AU

Year: 14082 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,392,744 km

• M1: 64,776 km (0.1 R)
• M2: 270,024 km (0.115 R)
• M3: 435,031 km (0.101 R)
• M4: 835,953 km (0.111 R)
• M5: 1,109,867 km (0.088 R)
• M6: 1,722,171 km (0.104 R)
• M7: 2,234,992 km (0.062 R)
• M8: 2,591,933 km (0.062 R)
• M9: 4,629,306 km (0.109 R)
• M10: 12,330,156 km (0.093 R)
• M11: 13,211,138 km (0.072 R)
• M12: 13,898,989 km (0.101 R)
• M13: 14,251,591 km (0.055 R)
• M14: 18,183,472 km (0.095 R)
• M15: 25,216,815 km (0.066 R)
• M16: 26,631,862 km (0.058 R)
• M17: 27,727,367 km (0.107 R)
• M18: 31,394,011 km (0.12 R)
• M19: 31,595,519 km (0.045 R)
• M20: 35,589,333 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 19,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit