🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 13.6

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 14.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,235,455 km

• M1: 169,494 km (0.054 R)
• M2: 667,057 km (0.116 R)
• M3: 1,218,774 km (0.118 R)
• M4: 2,014,784 km (0.032 R)
• M5: 2,668,078 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 14.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.72 AU - 0.9 AU

Year: 486 Days

Day: 12.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,235,455 km

• M1: 180,265 km (0.112 R)
• M2: 850,613 km (0.111 R)
• M3: 1,573,770 km (0.047 R)
• M4: 2,652,969 km (0.113 R)
• M5: 3,769,866 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.4

Radius: 14.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.78 AU - 0.92 AU

Year: 523 Days

Day: 13.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,235,455 km

• M1: 180,265 km (0.081 R)
• M2: 637,287 km (0.097 R)
• M3: 1,275,023 km (0.11 R)
• M4: 1,840,353 km (0.111 R)
• M5: 2,331,932 km (0.057 R)
• M6: 3,117,021 km (0.117 R)
• M7: 3,694,619 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.2

Radius: 3.5

Gravity: 70.63 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.37 AU - 10.29 AU

Year: 17497 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,235,455 km

• M1: 44,281 km (0.056 R)
• M2: 302,337 km (0.103 R)
• M3: 645,066 km (0.114 R)
• M4: 1,122,433 km (0.051 R)
• M5: 2,393,716 km (0.116 R)
• M6: 2,577,422 km (0.068 R)
• M7: 2,795,087 km (0.076 R)
• M8: 3,464,687 km (0.078 R)
• M9: 5,038,606 km (0.113 R)
• M10: 10,555,177 km (0.112 R)
• M11: 14,412,857 km (0.1 R)
• M12: 15,020,075 km (0.041 R)
• M13: 15,174,460 km (0.106 R)
• M14: 16,203,843 km (0.085 R)
• M15: 16,694,374 km (0.094 R)
• M16: 19,296,330 km (0.118 R)
• M17: 20,693,125 km (0.071 R)
• M18: 21,076,694 km (0.037 R)
• M19: 23,478,339 km (0.08 R)
• M20: 24,317,583 km (0.06 R)
• M21: 33,706,794 km (0.084 R)
• M22: 37,540,090 km (0.062 R)
• M23: 46,220,805 km (0.107 R)
• M24: 52,694,952 km (0.119 R)
• M25: 58,594,644 km (0.092 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 14,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit