🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.2

Radius: 10.2

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.48 AU - 0.78 AU

Year: 339 Days

Day: 6.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,049,710 km

• M1: 126,859 km (0.079 R)
• M2: 539,749 km (0.054 R)
• M3: 933,341 km (0.102 R)
• M4: 1,302,848 km (0.106 R)
• M5: 1,806,693 km (0.081 R)
• M6: 2,296,776 km (0.092 R)
• M7: 2,853,879 km (0.114 R)
• M8: 3,208,276 km (0.053 R)
• M9: 3,639,267 km (0.102 R)
• M10: 4,787,581 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119

Radius: 9.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.76 AU - 4.02 AU

Year: 4233 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,049,710 km

• M1: 116,836 km (0.093 R)
• M2: 492,027 km (0.086 R)
• M3: 943,215 km (0.113 R)
• M4: 1,600,847 km (0.109 R)
• M5: 1,974,841 km (0.099 R)
• M6: 2,605,247 km (0.105 R)
• M7: 6,736,243 km (0.086 R)
• M8: 7,577,581 km (0.113 R)
• M9: 9,468,348 km (0.116 R)
• M10: 10,382,541 km (0.059 R)
• M11: 11,391,728 km (0.032 R)
• M12: 12,703,552 km (0.105 R)
• M13: 13,271,874 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.9

Radius: 8.1

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.17 AU - 4.81 AU

Year: 6453 Days

Day: 6.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,049,710 km

• M1: 101,876 km (0.04 R)
• M2: 813,513 km (0.04 R)
• M3: 1,092,962 km (0.028 R)
• M4: 1,628,971 km (0.09 R)
• M5: 2,146,281 km (0.074 R)
• M6: 2,846,997 km (0.068 R)
• M7: 4,341,629 km (0.057 R)
• M8: 5,425,915 km (0.039 R)
• M9: 5,803,201 km (0.108 R)
• M10: 6,064,249 km (0.07 R)
• M11: 7,682,898 km (0.12 R)
• M12: 8,404,558 km (0.119 R)
• M13: 9,258,463 km (0.057 R)
• M14: 11,440,497 km (0.069 R)
• M15: 12,009,119 km (0.119 R)
• M16: 12,759,801 km (0.061 R)
• M17: 15,261,676 km (0.093 R)
• M18: 15,760,734 km (0.09 R)
• M19: 16,594,892 km (0.075 R)
• M20: 20,830,008 km (0.111 R)
• M21: 34,987,651 km (0.075 R)
• M22: 36,074,330 km (0.063 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68

Radius: 5.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.37 AU - 8.37 AU

Year: 14975 Days

Day: 16.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,049,710 km

• M1: 68,965 km (0.035 R)
• M2: 505,192 km (0.117 R)
• M3: 843,134 km (0.078 R)
• M4: 1,026,989 km (0.095 R)
• M5: 1,431,801 km (0.065 R)
• M6: 2,109,928 km (0.113 R)
• M7: 3,890,293 km (0.11 R)
• M8: 4,407,452 km (0.095 R)
• M9: 6,678,947 km (0.038 R)
• M10: 10,137,350 km (0.113 R)
• M11: 11,955,712 km (0.072 R)
• M12: 12,491,572 km (0.109 R)
• M13: 16,699,461 km (0.104 R)
• M14: 18,437,938 km (0.073 R)
• M15: 19,021,369 km (0.114 R)
• M16: 21,055,302 km (0.061 R)
• M17: 24,525,973 km (0.106 R)
• M18: 25,469,636 km (0.062 R)
• M19: 26,437,085 km (0.067 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 14,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit