🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.2

Radius: 8.7

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.7 AU - 0.98 AU

Year: 541 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,561,071 km

• M1: 108,159 km (0.07 R)
• M2: 466,895 km (0.075 R)
• M3: 743,053 km (0.105 R)
• M4: 1,398,441 km (0.12 R)
• M5: 1,792,781 km (0.115 R)
• M6: 2,308,445 km (0.058 R)
• M7: 2,601,657 km (0.113 R)
• M8: 3,313,593 km (0.117 R)
• M9: 4,091,801 km (0.087 R)
• M10: 4,417,027 km (0.102 R)
• M11: 5,393,003 km (0.108 R)
• M12: 5,876,354 km (0.102 R)
• M13: 6,157,149 km (0.085 R)
• M14: 6,506,161 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.1

Radius: 8.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.01 AU - 1.13 AU

Year: 778 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,561,071 km

• M1: 124,017 km (0.082 R)
• M2: 455,675 km (0.113 R)
• M3: 956,379 km (0.111 R)
• M4: 1,766,302 km (0.084 R)
• M5: 2,261,621 km (0.1 R)
• M6: 3,786,472 km (0.041 R)
• M7: 4,057,693 km (0.101 R)
• M8: 5,011,080 km (0.108 R)
• M9: 5,499,667 km (0.097 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.1

Radius: 6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.85 AU - 6.39 AU

Year: 9365 Days

Day: 20.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,561,071 km

• M1: 132,394 km (0.12 R)
• M2: 590,164 km (0.094 R)
• M3: 780,003 km (0.083 R)
• M4: 4,180,662 km (0.102 R)
• M5: 4,539,547 km (0.047 R)
• M6: 4,959,618 km (0.114 R)
• M7: 8,216,813 km (0.082 R)
• M8: 8,599,334 km (0.1 R)
• M9: 8,962,857 km (0.1 R)
• M10: 10,554,728 km (0.063 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.5

Radius: 6

Gravity: 20.43 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.9 AU - 10.22 AU

Year: 17604 Days

Day: 19.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,561,071 km

• M1: 74,649 km (0.101 R)
• M2: 457,769 km (0.115 R)
• M3: 1,450,651 km (0.087 R)
• M4: 2,204,325 km (0.117 R)
• M5: 3,465,734 km (0.115 R)
• M6: 3,874,585 km (0.104 R)
• M7: 4,513,817 km (0.091 R)
• M8: 7,980,448 km (0.059 R)
• M9: 9,281,201 km (0.04 R)
• M10: 10,010,641 km (0.098 R)
• M11: 10,359,952 km (0.071 R)
• M12: 12,295,449 km (0.115 R)
• M13: 19,079,114 km (0.085 R)
• M14: 19,346,445 km (0.065 R)
• M15: 21,287,627 km (0.104 R)
• M16: 22,157,838 km (0.04 R)
• M17: 29,992,279 km (0.086 R)
• M18: 32,078,870 km (0.046 R)
• M19: 43,976,239 km (0.087 R)
• M20: 45,861,920 km (0.046 R)
• M21: 61,559,075 km (0.11 R)
• M22: 63,915,989 km (0.091 R)
• M23: 65,318,320 km (0.118 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: 263 - 11,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit