🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.48 AU - 0.62 AU

Year: 268 Days

Day: 36.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 14.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.88 AU - 0.92 AU

Year: 560 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,133,804 km

• M1: 175,329 km (0.027 R)
• M2: 712,684 km (0.105 R)
• M3: 1,345,932 km (0.096 R)
• M4: 1,801,757 km (0.118 R)
• M5: 2,304,106 km (0.074 R)
• M6: 2,746,916 km (0.077 R)
• M7: 3,832,398 km (0.104 R)
• M8: 4,291,065 km (0.114 R)
• M9: 4,814,508 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 11.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.97 AU - 1.43 AU

Year: 862 Days

Day: 8.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,133,804 km

• M1: 146,905 km (0.063 R)
• M2: 524,341 km (0.082 R)
• M3: 905,366 km (0.101 R)
• M4: 1,333,067 km (0.116 R)
• M5: 2,138,053 km (0.064 R)
• M6: 3,308,806 km (0.097 R)
• M7: 3,843,169 km (0.111 R)
• M8: 4,314,253 km (0.073 R)

Asteroid Belt

Center: 3.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.3

Radius: 4.3

Gravity: 30.19 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.42 AU - 6.7 AU

Year: 9786 Days

Day: 16.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,133,804 km

• M1: 53,556 km (0.055 R)
• M2: 277,803 km (0.05 R)
• M3: 589,864 km (0.114 R)
• M4: 767,287 km (0.064 R)
• M5: 1,255,575 km (0.104 R)
• M6: 1,431,203 km (0.061 R)
• M7: 2,569,044 km (0.086 R)
• M8: 3,319,278 km (0.106 R)
• M9: 3,632,087 km (0.12 R)
• M10: 3,782,881 km (0.057 R)
• M11: 4,316,198 km (0.107 R)
• M12: 6,039,416 km (0.119 R)
• M13: 6,956,002 km (0.117 R)
• M14: 7,467,627 km (0.054 R)
• M15: 9,152,697 km (0.086 R)
• M16: 12,383,861 km (0.077 R)
• M17: 12,899,974 km (0.114 R)
• M18: 13,192,887 km (0.03 R)
• M19: 13,430,298 km (0.076 R)
• M20: 14,346,137 km (0.088 R)
• M21: 14,979,534 km (0.053 R)
• M22: 15,763,726 km (0.036 R)
• M23: 16,098,526 km (0.09 R)
• M24: 16,506,330 km (0.076 R)
• M25: 17,556,208 km (0.092 R)
• M26: 21,540,149 km (0.117 R)
• M27: 23,653,518 km (0.113 R)
• M28: 23,828,398 km (0.055 R)
• M29: 28,484,033 km (0.119 R)
• M30: 30,919,786 km (0.082 R)
• M31: 32,081,114 km (0.102 R)
• M32: 32,943,695 km (0.06 R)
• M33: 33,271,165 km (0.1 R)
• M34: 38,085,972 km (0.09 R)
• M35: 38,931,200 km (0.114 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: 222 - 14,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit