🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.74 AU - 0.8 AU

Year: 241 Days

Day: 14.8 Hours

Environment

Temp: 112 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,870,738 km

• M1: 13,015 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.62 AU - 3.58 AU

Year: 1946 Days

Day: 45.8 Hours

Environment

Temp: -100 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,870,738 km

• M1: 43,234 km (0.037 R)
• M2: 1,722,171 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.31 AU - 5.57 AU

Year: 3914 Days

Day: 42.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,870,738 km

• M1: 1,227,899 km (0.091 R)

Asteroid Belt

Center: 9.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 14.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.4

Radius: 5

Gravity: 38.42 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 12.23 AU - 15.95 AU

Year: 18852 Days

Day: 16.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,870,738 km

• M1: 62,233 km (0.12 R)
• M2: 254,616 km (0.089 R)
• M3: 515,813 km (0.119 R)
• M4: 1,123,929 km (0.086 R)
• M5: 1,325,138 km (0.104 R)
• M6: 4,172,584 km (0.081 R)
• M7: 4,989,987 km (0.067 R)
• M8: 5,337,353 km (0.06 R)
• M9: 5,825,191 km (0.042 R)
• M10: 6,037,022 km (0.074 R)
• M11: 6,298,070 km (0.046 R)
• M12: 7,516,994 km (0.032 R)
• M13: 7,921,656 km (0.091 R)
• M14: 9,166,161 km (0.116 R)
• M15: 9,924,472 km (0.045 R)
• M16: 11,432,868 km (0.063 R)
• M17: 12,241,594 km (0.03 R)
• M18: 13,232,530 km (0.086 R)
• M19: 13,673,096 km (0.112 R)
• M20: 13,897,044 km (0.083 R)
• M21: 14,974,597 km (0.075 R)
• M22: 16,778,598 km (0.087 R)
• M23: 17,121,476 km (0.08 R)
• M24: 18,268,294 km (0.066 R)
• M25: 21,207,593 km (0.054 R)
• M26: 25,559,095 km (0.109 R)
• M27: 27,525,559 km (0.064 R)
• M28: 34,575,209 km (0.118 R)
• M29: 37,410,538 km (0.081 R)
• M30: 47,689,707 km (0.115 R)
• M31: 50,302,882 km (0.112 R)
• M32: 62,118,122 km (0.078 R)
• M33: 63,144,364 km (0.089 R)
• M34: 66,932,481 km (0.099 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 15,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit