🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.48 AU - 0.76 AU

Year: 177 Days

Day: 34.1 Hours

Environment

Temp: 202 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.64 AU - 0.9 AU

Year: 244 Days

Day: 35.9 Hours

Environment

Temp: 153 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,976,495 km

• M1: 10,322 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.87 AU - 1.29 AU

Year: 406 Days

Day: 34.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297

Radius: 13

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.26 AU - 10.72 AU

Year: 9748 Days

Day: 7.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,976,495 km

• M1: 170,542 km (0.056 R)
• M2: 683,812 km (0.071 R)
• M3: 3,397,218 km (0.106 R)
• M4: 4,112,894 km (0.108 R)
• M5: 5,241,012 km (0.071 R)
• M6: 5,783,753 km (0.117 R)
• M7: 10,369,526 km (0.061 R)
• M8: 12,029,763 km (0.063 R)
• M9: 12,977,316 km (0.07 R)
• M10: 14,607,933 km (0.088 R)
• M11: 15,871,287 km (0.114 R)
• M12: 18,069,478 km (0.096 R)
• M13: 22,745,459 km (0.094 R)
• M14: 23,542,516 km (0.111 R)
• M15: 24,275,695 km (0.089 R)
• M16: 32,466,927 km (0.089 R)
• M17: 33,070,704 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 8.4

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.65 AU - 11.95 AU

Year: 11955 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,976,495 km

• M1: 105,167 km (0.12 R)
• M2: 709,991 km (0.084 R)
• M3: 1,015,620 km (0.099 R)
• M4: 1,643,931 km (0.11 R)
• M5: 2,002,667 km (0.118 R)
• M6: 4,437,821 km (0.108 R)
• M7: 5,398,688 km (0.049 R)
• M8: 12,831,159 km (0.12 R)
• M9: 14,567,093 km (0.075 R)
• M10: 15,424,139 km (0.12 R)
• M11: 19,740,187 km (0.114 R)
• M12: 28,175,413 km (0.073 R)
• M13: 29,711,932 km (0.091 R)
• M14: 33,625,712 km (0.058 R)
• M15: 34,309,823 km (0.1 R)
• M16: 35,705,870 km (0.077 R)
• M17: 37,018,292 km (0.044 R)
• M18: 37,992,922 km (0.115 R)
• M19: 38,610,612 km (0.115 R)
• M20: 39,235,034 km (0.066 R)
• M21: 46,695,479 km (0.099 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 11,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit