🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.54 AU - 0.76 AU

Year: 158 Days

Day: 42.2 Hours

Environment

Temp: 296 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 95,141,336 km

• M1: 115,938 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.25 AU - 1.91 AU

Year: 598 Days

Day: 22.7 Hours

Environment

Temp: 96 °C

Axial Tilt: 172.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.89 AU - 2.91 AU

Year: 1120 Days

Day: 21.6 Hours

Environment

Temp: -10 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 95,141,336 km

• M1: 260,300 km (0.11 R)
• M2: 793,018 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.1

Radius: 6.4

Gravity: 20.68 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 15.91 AU - 22.29 AU

Year: 25147 Days

Day: 19 Hours

Environment

Temp: -181 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,141,336 km

• M1: 79,885 km (0.077 R)
• M2: 817,552 km (0.111 R)
• M3: 1,236,277 km (0.051 R)
• M4: 2,056,522 km (0.097 R)
• M5: 2,280,171 km (0.045 R)
• M6: 3,342,914 km (0.076 R)
• M7: 3,653,479 km (0.027 R)
• M8: 6,727,715 km (0.113 R)
• M9: 8,067,364 km (0.117 R)
• M10: 10,991,853 km (0.102 R)
• M11: 11,263,523 km (0.056 R)
• M12: 11,679,405 km (0.097 R)
• M13: 12,615,588 km (0.105 R)
• M14: 13,523,348 km (0.072 R)
• M15: 17,870,363 km (0.097 R)
• M16: 21,976,675 km (0.077 R)
• M17: 27,409,471 km (0.097 R)
• M18: 39,228,900 km (0.119 R)
• M19: 61,391,825 km (0.1 R)
• M20: 87,647,298 km (0.043 R)
• M21: 94,572,034 km (0.091 R)

Kuiper Belt

Range: 36.3 - 62.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 11,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit