🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.62 AU - 0.86 AU

Year: 231 Days

Day: 21.9 Hours

Environment

Temp: 153 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.53 AU - 1.71 AU

Year: 749 Days

Day: 27.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.71 AU - 2.21 AU

Year: 997 Days

Day: 46.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.91 AU - 3.91 AU

Year: 2810 Days

Day: 34.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.7

Radius: 3.4

Gravity: 58.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 10.01 AU - 15.33 AU

Year: 16391 Days

Day: 21.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,232,843 km

• M1: 43,383 km (0.058 R)
• M2: 165,455 km (0.093 R)
• M3: 334,202 km (0.064 R)
• M4: 447,896 km (0.061 R)
• M5: 1,359,695 km (0.101 R)
• M6: 1,590,674 km (0.098 R)
• M7: 1,758,822 km (0.1 R)
• M8: 2,508,457 km (0.098 R)
• M9: 2,831,888 km (0.108 R)
• M10: 3,367,897 km (0.085 R)
• M11: 5,304,890 km (0.096 R)
• M12: 6,485,068 km (0.054 R)
• M13: 7,500,538 km (0.096 R)
• M14: 8,365,812 km (0.051 R)
• M15: 8,874,295 km (0.117 R)
• M16: 10,008,546 km (0.09 R)
• M17: 10,581,207 km (0.12 R)
• M18: 12,171,732 km (0.104 R)
• M19: 12,823,679 km (0.103 R)
• M20: 13,090,861 km (0.076 R)
• M21: 14,554,975 km (0.101 R)
• M22: 15,214,552 km (0.029 R)
• M23: 16,279,839 km (0.093 R)
• M24: 17,312,513 km (0.069 R)
• M25: 18,813,428 km (0.065 R)
• M26: 18,985,466 km (0.106 R)
• M27: 19,507,562 km (0.063 R)
• M28: 22,940,833 km (0.104 R)
• M29: 23,532,942 km (0.082 R)
• M30: 24,338,377 km (0.117 R)
• M31: 26,110,364 km (0.065 R)
• M32: 26,217,176 km (0.098 R)
• M33: 32,061,068 km (0.087 R)
• M34: 34,700,124 km (0.098 R)
• M35: 36,805,265 km (0.103 R)
• M36: 63,106,216 km (0.079 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 14,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit