🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.45 AU - 0.65 AU

Year: 143 Days

Day: 13.6 Hours

Environment

Temp: 187 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,521,474 km

• M1: 130,898 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.98 AU - 1.34 AU

Year: 437 Days

Day: 35.3 Hours

Environment

Temp: 43 °C

Axial Tilt: 47.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.07 AU - 5.75 AU

Year: 3806 Days

Day: 33.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 10.6

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.02 AU - 9.86 AU

Year: 8578 Days

Day: 10.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,521,474 km

• M1: 131,945 km (0.096 R)
• M2: 543,190 km (0.097 R)
• M3: 1,592,320 km (0.103 R)
• M4: 2,078,962 km (0.04 R)
• M5: 2,984,478 km (0.094 R)
• M6: 3,422,650 km (0.05 R)
• M7: 5,818,310 km (0.057 R)
• M8: 6,541,167 km (0.09 R)
• M9: 7,169,328 km (0.038 R)
• M10: 9,712,492 km (0.106 R)
• M11: 10,679,493 km (0.099 R)
• M12: 12,580,283 km (0.034 R)
• M13: 13,031,620 km (0.108 R)
• M14: 14,026,446 km (0.052 R)
• M15: 18,015,473 km (0.049 R)
• M16: 18,444,669 km (0.058 R)
• M17: 19,323,557 km (0.032 R)
• M18: 20,077,081 km (0.113 R)
• M19: 22,209,599 km (0.113 R)
• M20: 32,151,724 km (0.072 R)
• M21: 37,210,376 km (0.072 R)
• M22: 39,446,266 km (0.084 R)

Kuiper Belt

Range: 31.4 - 58.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 19,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit