🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.44 AU - 0.68 AU

Year: 152 Days

Day: 28.2 Hours

Environment

Temp: 215 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.58 AU - 0.86 AU

Year: 221 Days

Day: 30 Hours

Environment

Temp: 166 °C

Axial Tilt: 6.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 110,053,482 km

• M1: 186,997 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.68 AU - 0.96 AU

Year: 269 Days

Day: 15.9 Hours

Environment

Temp: 121 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 110,053,482 km

• M1: 35,903 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.41 AU - 1.89 AU

Year: 767 Days

Day: 44.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 110,053,482 km

• M1: 24,235 km (0.079 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.16 AU - 4.68 AU

Year: 3361 Days

Day: 34.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.3

Radius: 14.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.61 AU - 9.17 AU

Year: 8015 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 110,053,482 km

• M1: 178,021 km (0.051 R)
• M2: 754,272 km (0.112 R)
• M3: 1,564,794 km (0.109 R)
• M4: 2,056,372 km (0.106 R)
• M5: 2,950,519 km (0.119 R)
• M6: 3,911,835 km (0.093 R)
• M7: 5,507,446 km (0.057 R)
• M8: 6,206,367 km (0.119 R)
• M9: 7,039,178 km (0.094 R)
• M10: 8,069,160 km (0.096 R)
• M11: 8,751,475 km (0.101 R)
• M12: 11,447,678 km (0.117 R)
• M13: 13,983,811 km (0.094 R)
• M14: 15,674,117 km (0.044 R)
• M15: 18,278,915 km (0.085 R)
• M16: 20,843,621 km (0.108 R)
• M17: 27,144,982 km (0.076 R)
• M18: 28,776,198 km (0.114 R)
• M19: 29,367,259 km (0.108 R)
• M20: 34,281,250 km (0.12 R)
• M21: 34,723,162 km (0.118 R)
• M22: 37,338,731 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.6

Radius: 4.5

Gravity: 40.57 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 17.82 AU - 21.7 AU

Year: 31767 Days

Day: 21 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 110,053,482 km

• M1: 61,485 km (0.116 R)
• M2: 286,630 km (0.103 R)
• M3: 606,021 km (0.089 R)
• M4: 834,457 km (0.051 R)
• M5: 2,318,767 km (0.115 R)
• M6: 3,055,686 km (0.059 R)
• M7: 3,593,191 km (0.115 R)
• M8: 4,154,482 km (0.054 R)
• M9: 5,102,933 km (0.119 R)
• M10: 5,360,989 km (0.084 R)
• M11: 7,748,571 km (0.103 R)
• M12: 11,919,210 km (0.05 R)
• M13: 14,561,558 km (0.045 R)
• M14: 14,733,296 km (0.063 R)
• M15: 21,740,610 km (0.118 R)
• M16: 30,264,098 km (0.112 R)
• M17: 41,973,572 km (0.077 R)
• M18: 47,772,734 km (0.119 R)
• M19: 81,048,686 km (0.116 R)
• M20: 87,679,761 km (0.11 R)
• M21: 91,126,945 km (0.1 R)
• M22: 96,767,682 km (0.118 R)
• M23: 98,903,341 km (0.084 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 12,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit