🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 9.4

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.83 AU - 1.17 AU

Year: 656 Days

Day: 11.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,304,325 km

• M1: 116,836 km (0.069 R)
• M2: 428,299 km (0.04 R)
• M3: 742,604 km (0.115 R)
• M4: 1,041,949 km (0.109 R)
• M5: 1,550,881 km (0.104 R)
• M6: 1,998,628 km (0.099 R)
• M7: 2,299,319 km (0.102 R)
• M8: 2,932,567 km (0.077 R)
• M9: 3,663,801 km (0.105 R)
• M10: 4,241,548 km (0.066 R)
• M11: 4,577,246 km (0.094 R)
• M12: 5,578,654 km (0.1 R)
• M13: 7,044,564 km (0.075 R)
• M14: 7,772,507 km (0.09 R)
• M15: 8,325,869 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683

Radius: 13.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.9 AU - 2.02 AU

Year: 1800 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,304,325 km

• M1: 189,092 km (0.119 R)
• M2: 643,420 km (0.08 R)
• M3: 1,101,938 km (0.088 R)
• M4: 1,640,939 km (0.071 R)
• M5: 2,457,295 km (0.093 R)
• M6: 2,937,803 km (0.114 R)
• M7: 3,415,768 km (0.106 R)
• M8: 4,073,251 km (0.107 R)
• M9: 5,108,917 km (0.039 R)
• M10: 5,782,257 km (0.096 R)
• M11: 6,313,180 km (0.075 R)
• M12: 7,009,408 km (0.095 R)
• M13: 7,670,631 km (0.102 R)
• M14: 9,311,570 km (0.055 R)
• M15: 9,873,609 km (0.099 R)
• M16: 12,196,116 km (0.108 R)
• M17: 12,669,144 km (0.042 R)
• M18: 13,820,898 km (0.055 R)
• M19: 14,291,982 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.1

Radius: 14

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.93 AU - 2.11 AU

Year: 1883 Days

Day: 8.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,304,325 km

• M1: 174,730 km (0.089 R)
• M2: 989,590 km (0.088 R)
• M3: 1,550,432 km (0.1 R)
• M4: 2,159,595 km (0.079 R)
• M5: 3,144,697 km (0.105 R)
• M6: 5,004,797 km (0.086 R)
• M7: 6,833,930 km (0.096 R)
• M8: 7,870,045 km (0.098 R)
• M9: 8,489,679 km (0.081 R)
• M10: 9,074,906 km (0.067 R)
• M11: 9,514,275 km (0.057 R)
• M12: 10,582,703 km (0.087 R)
• M13: 11,338,471 km (0.085 R)
• M14: 13,603,682 km (0.091 R)
• M15: 14,090,623 km (0.093 R)
• M16: 15,430,422 km (0.092 R)
• M17: 16,254,557 km (0.086 R)
• M18: 16,752,867 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732

Radius: 8.3

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.83 AU - 3.77 AU

Year: 3933 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,304,325 km

• M1: 103,821 km (0.096 R)
• M2: 447,597 km (0.044 R)
• M3: 1,507,199 km (0.088 R)
• M4: 1,895,854 km (0.11 R)
• M5: 2,157,500 km (0.057 R)
• M6: 2,823,510 km (0.093 R)
• M7: 3,619,820 km (0.07 R)
• M8: 3,916,323 km (0.106 R)
• M9: 4,510,226 km (0.093 R)
• M10: 9,520,558 km (0.085 R)
• M11: 11,290,002 km (0.076 R)
• M12: 12,064,919 km (0.059 R)
• M13: 16,768,575 km (0.098 R)
• M14: 18,019,512 km (0.104 R)
• M15: 19,652,971 km (0.116 R)
• M16: 22,004,650 km (0.095 R)
• M17: 24,462,693 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 14,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit