🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.39 AU - 0.63 AU

Year: 129 Days

Day: 43.6 Hours

Environment

Temp: 230 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.18 AU - 2.86 AU

Year: 1419 Days

Day: 33.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,293,300 km

• M1: 102,325 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.21 AU - 3.47 AU

Year: 1698 Days

Day: 25.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.84 AU - 4.7 AU

Year: 2597 Days

Day: 18.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.9

Radius: 13.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.6 AU - 8.38 AU

Year: 7272 Days

Day: 9 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,293,300 km

• M1: 167,849 km (0.075 R)
• M2: 597,195 km (0.089 R)
• M3: 1,200,972 km (0.079 R)
• M4: 2,402,243 km (0.092 R)
• M5: 4,187,693 km (0.099 R)
• M6: 4,610,008 km (0.086 R)
• M7: 5,178,181 km (0.085 R)
• M8: 5,953,846 km (0.113 R)
• M9: 7,317,281 km (0.112 R)
• M10: 8,667,701 km (0.073 R)
• M11: 10,178,041 km (0.092 R)
• M12: 13,317,651 km (0.035 R)
• M13: 16,140,413 km (0.12 R)
• M14: 26,608,375 km (0.033 R)
• M15: 27,240,127 km (0.071 R)
• M16: 27,974,353 km (0.033 R)
• M17: 28,533,699 km (0.107 R)
• M18: 37,958,066 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.3

Radius: 13

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.59 AU - 11.11 AU

Year: 11813 Days

Day: 11.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,293,300 km

• M1: 161,715 km (0.098 R)
• M2: 577,597 km (0.079 R)
• M3: 1,003,054 km (0.119 R)
• M4: 1,635,254 km (0.107 R)
• M5: 3,416,067 km (0.112 R)
• M6: 4,056,645 km (0.106 R)
• M7: 4,837,397 km (0.119 R)
• M8: 5,445,213 km (0.051 R)
• M9: 7,537,938 km (0.086 R)
• M10: 8,673,236 km (0.092 R)
• M11: 9,969,501 km (0.108 R)
• M12: 11,837,231 km (0.115 R)
• M13: 12,943,956 km (0.093 R)
• M14: 13,677,733 km (0.057 R)
• M15: 14,438,887 km (0.094 R)
• M16: 15,976,903 km (0.112 R)
• M17: 16,607,608 km (0.066 R)
• M18: 18,219,375 km (0.105 R)
• M19: 23,054,079 km (0.104 R)
• M20: 25,338,588 km (0.096 R)
• M21: 28,991,170 km (0.111 R)
• M22: 41,242,637 km (0.111 R)
• M23: 46,837,298 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.2

Radius: 9.1

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.59 AU - 12.39 AU

Year: 13817 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,293,300 km

• M1: 113,246 km (0.108 R)
• M2: 435,330 km (0.106 R)
• M3: 870,510 km (0.114 R)
• M4: 1,400,086 km (0.087 R)
• M5: 2,360,505 km (0.109 R)
• M6: 2,958,896 km (0.094 R)
• M7: 3,269,461 km (0.035 R)
• M8: 3,928,739 km (0.105 R)
• M9: 4,245,737 km (0.097 R)
• M10: 4,931,494 km (0.111 R)
• M11: 5,335,707 km (0.074 R)
• M12: 6,058,415 km (0.12 R)
• M13: 8,716,021 km (0.05 R)
• M14: 12,187,439 km (0.091 R)
• M15: 12,492,469 km (0.114 R)
• M16: 12,802,436 km (0.055 R)
• M17: 13,697,779 km (0.082 R)
• M18: 14,227,805 km (0.078 R)
• M19: 14,702,778 km (0.074 R)
• M20: 17,622,629 km (0.115 R)
• M21: 20,821,331 km (0.114 R)
• M22: 21,789,079 km (0.087 R)
• M23: 22,420,382 km (0.089 R)
• M24: 35,350,575 km (0.081 R)
• M25: 38,922,823 km (0.094 R)
• M26: 40,524,866 km (0.118 R)
• M27: 44,433,111 km (0.12 R)
• M28: 44,721,535 km (0.079 R)
• M29: 48,738,388 km (0.04 R)
• M30: 51,864,535 km (0.114 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 19,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit