🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.5 AU - 1.52 AU

Year: 671 Days

Day: 14.1 Hours

Environment

Temp: -43 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.39 AU - 3.85 AU

Year: 1993 Days

Day: 18 Hours

Environment

Temp: -93 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,723,231 km

• M1: 36,502 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.4

Radius: 9.1

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.18 AU - 8.58 AU

Year: 6526 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,723,231 km

• M1: 113,246 km (0.068 R)
• M2: 466,745 km (0.088 R)
• M3: 801,845 km (0.09 R)
• M4: 1,097,001 km (0.115 R)
• M5: 1,423,723 km (0.07 R)
• M6: 2,235,291 km (0.082 R)
• M7: 3,139,311 km (0.094 R)
• M8: 4,024,033 km (0.027 R)
• M9: 5,677,987 km (0.081 R)
• M10: 7,080,916 km (0.053 R)
• M11: 7,440,101 km (0.074 R)
• M12: 9,539,557 km (0.089 R)
• M13: 10,181,930 km (0.094 R)
• M14: 12,097,980 km (0.088 R)
• M15: 16,401,911 km (0.099 R)
• M16: 18,401,585 km (0.09 R)
• M17: 21,156,430 km (0.101 R)
• M18: 22,109,817 km (0.029 R)
• M19: 22,878,601 km (0.055 R)
• M20: 25,368,059 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.5

Radius: 5.8

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 13.06 AU - 16.22 AU

Year: 20258 Days

Day: 24 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,723,231 km

• M1: 72,106 km (0.045 R)
• M2: 350,358 km (0.044 R)
• M3: 940,821 km (0.109 R)
• M4: 5,431,300 km (0.105 R)
• M5: 6,019,519 km (0.113 R)
• M6: 9,611,663 km (0.058 R)
• M7: 12,154,977 km (0.088 R)
• M8: 17,567,128 km (0.118 R)
• M9: 22,132,706 km (0.099 R)
• M10: 22,684,273 km (0.069 R)
• M11: 24,199,700 km (0.085 R)
• M12: 32,561,921 km (0.12 R)
• M13: 36,105,596 km (0.094 R)
• M14: 40,851,588 km (0.108 R)
• M15: 54,332,899 km (0.099 R)
• M16: 54,665,755 km (0.073 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: 400 - 10,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit