🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.55 AU - 0.81 AU

Year: 196 Days

Day: 22.8 Hours

Environment

Temp: 239 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.67 AU - 0.81 AU

Year: 223 Days

Day: 16.9 Hours

Environment

Temp: 217 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,919,833 km

• M1: 15,558 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.94 AU - 1.36 AU

Year: 431 Days

Day: 33.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,919,833 km

• M1: 233,821 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.3 AU - 2.02 AU

Year: 748 Days

Day: 14.5 Hours

Environment

Temp: -37 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.7 AU - 3.48 AU

Year: 1900 Days

Day: 39.8 Hours

Environment

Temp: -100 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,919,833 km

• M1: 50,863 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.4

Radius: 3.8

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 10.9 AU - 15.6 AU

Year: 16873 Days

Day: 21.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,919,833 km

• M1: 47,423 km (0.107 R)
• M2: 175,777 km (0.083 R)
• M3: 335,847 km (0.071 R)
• M4: 637,287 km (0.084 R)
• M5: 908,209 km (0.119 R)
• M6: 1,263,803 km (0.082 R)
• M7: 1,601,296 km (0.086 R)
• M8: 1,767,648 km (0.092 R)
• M9: 2,413,612 km (0.085 R)
• M10: 2,571,737 km (0.074 R)
• M11: 2,694,856 km (0.048 R)
• M12: 2,843,556 km (0.111 R)
• M13: 3,157,263 km (0.096 R)
• M14: 3,933,676 km (0.106 R)
• M15: 4,676,729 km (0.098 R)
• M16: 6,286,252 km (0.12 R)
• M17: 6,739,833 km (0.11 R)
• M18: 7,754,256 km (0.067 R)
• M19: 8,099,229 km (0.049 R)
• M20: 8,364,765 km (0.096 R)
• M21: 9,053,663 km (0.114 R)
• M22: 10,336,166 km (0.103 R)
• M23: 10,701,035 km (0.053 R)
• M24: 11,903,951 km (0.075 R)
• M25: 13,685,662 km (0.108 R)
• M26: 14,252,937 km (0.091 R)
• M27: 14,835,920 km (0.094 R)
• M28: 15,979,895 km (0.065 R)
• M29: 17,841,192 km (0.083 R)
• M30: 19,922,098 km (0.098 R)
• M31: 21,479,711 km (0.03 R)
• M32: 26,636,200 km (0.094 R)
• M33: 26,830,827 km (0.107 R)
• M34: 32,338,572 km (0.111 R)
• M35: 41,743,491 km (0.071 R)
• M36: 43,201,023 km (0.091 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 18,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit