🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.55 AU - 0.83 AU

Year: 208 Days

Day: 36.5 Hours

Environment

Temp: 136 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,475,324 km

• M1: 89,011 km (0.064 R)
• M2: 203,752 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.57 AU - 0.89 AU

Year: 227 Days

Day: 27.4 Hours

Environment

Temp: 115 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.7 AU - 1.1 AU

Year: 310 Days

Day: 32.3 Hours

Environment

Temp: 145 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,475,324 km

• M1: 111,899 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1 AU - 1.14 AU

Year: 402 Days

Day: 41.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,475,324 km

• M1: 545,434 km (0.041 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.06 AU - 1.08 AU

Year: 402 Days

Day: 16.6 Hours

Environment

Temp: 36 °C

Axial Tilt: 19.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 7.96 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.8

Radius: 5.2

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 11.55 AU - 18.15 AU

Year: 20798 Days

Day: 19.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,475,324 km

• M1: 65,673 km (0.077 R)
• M2: 440,416 km (0.099 R)
• M3: 821,143 km (0.11 R)
• M4: 1,592,170 km (0.025 R)
• M5: 1,757,326 km (0.073 R)
• M6: 3,070,945 km (0.063 R)
• M7: 4,216,715 km (0.072 R)
• M8: 5,285,742 km (0.071 R)
• M9: 7,519,387 km (0.1 R)
• M10: 8,520,945 km (0.09 R)
• M11: 11,435,560 km (0.116 R)
• M12: 13,298,204 km (0.11 R)
• M13: 16,456,963 km (0.089 R)
• M14: 17,391,351 km (0.067 R)
• M15: 18,058,707 km (0.071 R)
• M16: 18,360,595 km (0.066 R)
• M17: 21,065,175 km (0.107 R)
• M18: 21,908,459 km (0.07 R)
• M19: 22,949,809 km (0.12 R)
• M20: 25,037,298 km (0.102 R)
• M21: 26,175,139 km (0.109 R)
• M22: 26,854,463 km (0.109 R)
• M23: 27,050,736 km (0.081 R)
• M24: 30,428,955 km (0.094 R)
• M25: 30,642,281 km (0.106 R)
• M26: 36,066,551 km (0.071 R)
• M27: 39,635,507 km (0.112 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 18,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit