🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 8.2

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 8.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,290,673 km

• M1: 102,026 km (0.066 R)
• M2: 359,484 km (0.084 R)
• M3: 685,457 km (0.067 R)
• M4: 942,915 km (0.048 R)
• M5: 1,232,986 km (0.041 R)
• M6: 1,556,566 km (0.104 R)
• M7: 1,905,727 km (0.11 R)
• M8: 2,404,187 km (0.062 R)
• M9: 2,733,602 km (0.118 R)
• M10: 3,179,404 km (0.113 R)
• M11: 3,541,879 km (0.093 R)
• M12: 4,008,176 km (0.11 R)
• M13: 4,570,514 km (0.084 R)
• M14: 4,841,735 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.9

Radius: 12.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.88 AU - 1.28 AU

Year: 748 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,290,673 km

• M1: 155,432 km (0.078 R)
• M2: 572,661 km (0.052 R)
• M3: 1,066,184 km (0.101 R)
• M4: 1,494,184 km (0.093 R)
• M5: 1,927,269 km (0.115 R)
• M6: 3,067,355 km (0.115 R)
• M7: 3,793,503 km (0.106 R)
• M8: 4,333,701 km (0.103 R)
• M9: 6,544,308 km (0.078 R)
• M10: 7,118,166 km (0.111 R)
• M11: 7,605,855 km (0.092 R)
• M12: 8,165,650 km (0.103 R)
• M13: 8,910,498 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 9.3

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.37 AU - 1.49 AU

Year: 1140 Days

Day: 13.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,290,673 km

• M1: 115,639 km (0.106 R)
• M2: 633,547 km (0.112 R)
• M3: 1,057,507 km (0.094 R)
• M4: 1,463,067 km (0.117 R)
• M5: 1,770,192 km (0.099 R)
• M6: 2,324,751 km (0.096 R)
• M7: 3,476,954 km (0.105 R)
• M8: 4,187,992 km (0.071 R)
• M9: 5,463,913 km (0.096 R)
• M10: 6,145,331 km (0.064 R)
• M11: 6,759,729 km (0.064 R)
• M12: 7,056,831 km (0.084 R)
• M13: 7,362,609 km (0.12 R)
• M14: 8,249,724 km (0.051 R)
• M15: 9,357,347 km (0.112 R)
• M16: 10,074,369 km (0.109 R)
• M17: 11,338,621 km (0.112 R)
• M18: 11,758,991 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.5

Radius: 9.8

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.35 AU - 4.49 AU

Year: 6197 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,290,673 km

• M1: 124,017 km (0.119 R)
• M2: 444,754 km (0.099 R)
• M3: 990,936 km (0.11 R)
• M4: 1,478,925 km (0.117 R)
• M5: 2,535,834 km (0.079 R)
• M6: 3,044,616 km (0.057 R)
• M7: 3,504,181 km (0.115 R)
• M8: 4,701,861 km (0.065 R)
• M9: 5,986,308 km (0.06 R)
• M10: 7,375,624 km (0.106 R)
• M11: 10,632,220 km (0.119 R)
• M12: 12,275,552 km (0.113 R)
• M13: 13,672,198 km (0.081 R)
• M14: 14,741,524 km (0.104 R)
• M15: 15,865,602 km (0.091 R)
• M16: 21,014,910 km (0.103 R)
• M17: 24,861,969 km (0.114 R)
• M18: 26,723,416 km (0.102 R)
• M19: 28,675,967 km (0.033 R)
• M20: 29,931,243 km (0.119 R)
• M21: 31,021,662 km (0.111 R)
• M22: 34,130,156 km (0.094 R)
• M23: 37,554,451 km (0.025 R)
• M24: 38,706,055 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 18,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit