🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.77 AU - 0.93 AU

Year: 281 Days

Day: 22.6 Hours

Environment

Temp: 184 °C

Axial Tilt: 41.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,664,454 km

• M1: 47,273 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.2 AU - 1.4 AU

Year: 531 Days

Day: 20 Hours

Environment

Temp: 3 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.2

Radius: 14.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.6 AU - 6.66 AU

Year: 4784 Days

Day: 12.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,664,454 km

• M1: 177,872 km (0.031 R)
• M2: 898,934 km (0.056 R)
• M3: 1,752,090 km (0.113 R)
• M4: 2,327,144 km (0.094 R)
• M5: 2,796,732 km (0.055 R)
• M6: 5,743,810 km (0.119 R)
• M7: 7,534,497 km (0.099 R)
• M8: 8,881,177 km (0.101 R)
• M9: 9,754,978 km (0.103 R)
• M10: 10,340,205 km (0.119 R)
• M11: 14,627,081 km (0.099 R)
• M12: 17,071,660 km (0.038 R)
• M13: 18,109,570 km (0.111 R)
• M14: 19,777,586 km (0.107 R)
• M15: 20,243,584 km (0.112 R)
• M16: 23,122,894 km (0.111 R)
• M17: 24,317,134 km (0.112 R)
• M18: 26,828,583 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.1

Radius: 5.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 17.37 AU - 18.07 AU

Year: 26716 Days

Day: 18.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,664,454 km

• M1: 64,626 km (0.092 R)
• M2: 229,633 km (0.105 R)
• M3: 459,714 km (0.114 R)
• M4: 686,355 km (0.093 R)
• M5: 901,477 km (0.117 R)
• M6: 1,065,436 km (0.057 R)
• M7: 1,698,983 km (0.102 R)
• M8: 2,060,262 km (0.04 R)
• M9: 2,576,823 km (0.03 R)
• M10: 3,560,878 km (0.115 R)
• M11: 4,151,790 km (0.072 R)
• M12: 4,740,757 km (0.095 R)
• M13: 5,106,224 km (0.092 R)
• M14: 5,818,759 km (0.096 R)
• M15: 7,307,856 km (0.095 R)
• M16: 13,267,686 km (0.1 R)
• M17: 16,851,153 km (0.079 R)
• M18: 20,767,476 km (0.071 R)
• M19: 22,749,348 km (0.045 R)
• M20: 24,170,678 km (0.053 R)
• M21: 25,851,858 km (0.066 R)
• M22: 29,225,290 km (0.094 R)
• M23: 29,445,349 km (0.09 R)
• M24: 29,888,757 km (0.118 R)
• M25: 38,256,514 km (0.101 R)
• M26: 41,082,717 km (0.087 R)
• M27: 44,625,045 km (0.115 R)
• M28: 46,545,134 km (0.116 R)
• M29: 46,845,227 km (0.076 R)
• M30: 47,297,910 km (0.036 R)
• M31: 48,828,147 km (0.12 R)
• M32: 50,075,793 km (0.045 R)
• M33: 50,707,395 km (0.098 R)
• M34: 51,986,756 km (0.051 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 18,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit