🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.9 AU - 1.14 AU

Year: 388 Days

Day: 24.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,932,214 km

• M1: 220,358 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.88 AU - 1.18 AU

Year: 394 Days

Day: 39.1 Hours

Environment

Temp: 27 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.84 AU - 2.12 AU

Year: 1050 Days

Day: 43 Hours

Environment

Temp: -79 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,932,214 km

• M1: 151,842 km (0.062 R)
• M2: 219,909 km (0.072 R)

Asteroid Belt

Center: 8.36 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.4

Radius: 7.6

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 11.31 AU - 18.17 AU

Year: 21319 Days

Day: 19 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,932,214 km

• M1: 97,239 km (0.081 R)
• M2: 448,644 km (0.099 R)
• M3: 1,269,039 km (0.115 R)
• M4: 2,878,712 km (0.072 R)
• M5: 3,184,041 km (0.081 R)
• M6: 4,012,215 km (0.091 R)
• M7: 5,231,138 km (0.096 R)
• M8: 5,726,606 km (0.066 R)
• M9: 6,087,736 km (0.086 R)
• M10: 9,326,380 km (0.043 R)
• M11: 14,940,938 km (0.12 R)
• M12: 27,425,778 km (0.119 R)
• M13: 29,385,510 km (0.111 R)
• M14: 30,945,666 km (0.113 R)
• M15: 32,434,314 km (0.088 R)
• M16: 33,581,580 km (0.062 R)
• M17: 34,230,536 km (0.106 R)
• M18: 35,020,263 km (0.069 R)
• M19: 35,956,895 km (0.119 R)
• M20: 49,362,660 km (0.093 R)
• M21: 58,556,347 km (0.085 R)
• M22: 68,620,244 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 17,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit