🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100

Radius: 12.9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.65 AU - 0.77 AU

Year: 421 Days

Day: 10.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,354,383 km

• M1: 160,369 km (0.103 R)
• M2: 654,790 km (0.062 R)
• M3: 1,303,895 km (0.068 R)
• M4: 2,932,417 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.3

Radius: 14

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.86 AU - 2 AU

Year: 1885 Days

Day: 14.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,354,383 km

• M1: 174,132 km (0.11 R)
• M2: 952,639 km (0.093 R)
• M3: 2,174,704 km (0.112 R)
• M4: 3,291,452 km (0.092 R)
• M5: 3,802,479 km (0.092 R)
• M6: 4,627,361 km (0.111 R)
• M7: 5,568,482 km (0.109 R)
• M8: 6,591,282 km (0.091 R)
• M9: 7,091,986 km (0.114 R)
• M10: 8,047,917 km (0.04 R)
• M11: 8,723,052 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 13.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.05 AU - 3.17 AU

Year: 2964 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,354,383 km

• M1: 188,942 km (0.083 R)
• M2: 698,323 km (0.105 R)
• M3: 1,388,418 km (0.101 R)
• M4: 2,018,075 km (0.096 R)
• M5: 2,654,614 km (0.098 R)
• M6: 4,449,489 km (0.093 R)
• M7: 5,672,302 km (0.093 R)
• M8: 11,482,085 km (0.09 R)
• M9: 14,705,321 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.1

Radius: 5.8

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.26 AU - 9.56 AU

Year: 15638 Days

Day: 23.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,354,383 km

• M1: 78,090 km (0.073 R)
• M2: 1,121,236 km (0.114 R)
• M3: 1,636,002 km (0.097 R)
• M4: 1,833,920 km (0.094 R)
• M5: 2,099,307 km (0.041 R)
• M6: 2,770,403 km (0.051 R)
• M7: 5,634,903 km (0.094 R)
• M8: 7,151,227 km (0.081 R)
• M9: 7,684,095 km (0.117 R)
• M10: 11,070,392 km (0.098 R)
• M11: 14,613,618 km (0.09 R)
• M12: 15,269,604 km (0.101 R)
• M13: 17,793,769 km (0.119 R)
• M14: 20,259,591 km (0.043 R)
• M15: 24,462,693 km (0.059 R)
• M16: 25,668,003 km (0.1 R)
• M17: 29,211,976 km (0.088 R)
• M18: 29,417,823 km (0.114 R)
• M19: 31,530,893 km (0.049 R)
• M20: 39,343,941 km (0.099 R)
• M21: 39,847,487 km (0.066 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 14,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit