🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.9 AU - 0.9 AU

Year: 329 Days

Day: 25.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 8.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.09 AU - 1.4 AU

Year: 532 Days

Day: 29.6 Hours

Environment

Temp: -32 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,439,304 km

• M1: 114,891 km (0.094 R)
• M2: 294,109 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.02 AU - 3.36 AU

Year: 1699 Days

Day: 20 Hours

Environment

Temp: -116 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,439,304 km

• M1: 307,723 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.1 AU - 3.28 AU

Year: 1699 Days

Day: 46.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.6

Radius: 3.6

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 14.98 AU - 20.36 AU

Year: 28597 Days

Day: 16.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,439,304 km

• M1: 44,879 km (0.12 R)
• M2: 189,092 km (0.098 R)
• M3: 518,207 km (0.109 R)
• M4: 1,058,854 km (0.043 R)
• M5: 1,391,859 km (0.114 R)
• M6: 2,639,056 km (0.117 R)
• M7: 5,243,555 km (0.108 R)
• M8: 7,547,362 km (0.12 R)
• M9: 7,805,119 km (0.097 R)
• M10: 7,980,149 km (0.09 R)
• M11: 8,613,397 km (0.09 R)
• M12: 9,476,128 km (0.113 R)
• M13: 10,447,466 km (0.045 R)
• M14: 10,606,639 km (0.068 R)
• M15: 11,997,151 km (0.098 R)
• M16: 13,693,591 km (0.113 R)
• M17: 15,201,537 km (0.119 R)
• M18: 18,542,656 km (0.066 R)
• M19: 19,408,379 km (0.108 R)
• M20: 19,568,598 km (0.064 R)
• M21: 21,905,766 km (0.12 R)
• M22: 24,144,049 km (0.12 R)
• M23: 30,342,487 km (0.048 R)
• M24: 35,931,763 km (0.118 R)
• M25: 37,521,988 km (0.077 R)
• M26: 49,537,689 km (0.108 R)
• M27: 50,137,577 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 13,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit