🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.47 AU - 0.73 AU

Year: 167 Days

Day: 43.8 Hours

Environment

Temp: 161 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.7 AU - 2.44 AU

Year: 1072 Days

Day: 22.4 Hours

Environment

Temp: -67 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 10.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.5 AU - 11.16 AU

Year: 10256 Days

Day: 11.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,776,801 km

• M1: 129,402 km (0.077 R)
• M2: 500,854 km (0.096 R)
• M3: 1,227,002 km (0.041 R)
• M4: 1,708,707 km (0.057 R)
• M5: 2,052,782 km (0.029 R)
• M6: 2,738,239 km (0.1 R)
• M7: 3,329,749 km (0.028 R)
• M8: 3,770,016 km (0.089 R)
• M9: 4,532,217 km (0.106 R)
• M10: 4,919,676 km (0.084 R)
• M11: 5,329,125 km (0.081 R)
• M12: 5,659,587 km (0.107 R)
• M13: 8,153,832 km (0.104 R)
• M14: 8,911,096 km (0.051 R)
• M15: 9,666,266 km (0.088 R)
• M16: 10,260,020 km (0.117 R)
• M17: 11,142,797 km (0.079 R)
• M18: 11,520,682 km (0.044 R)
• M19: 11,907,093 km (0.095 R)
• M20: 12,647,752 km (0.053 R)
• M21: 13,784,995 km (0.105 R)
• M22: 14,347,034 km (0.034 R)
• M23: 15,852,737 km (0.111 R)
• M24: 16,819,438 km (0.118 R)
• M25: 17,678,878 km (0.119 R)
• M26: 27,553,684 km (0.072 R)
• M27: 28,146,241 km (0.11 R)
• M28: 30,392,004 km (0.111 R)
• M29: 33,755,563 km (0.106 R)
• M30: 34,434,139 km (0.091 R)
• M31: 40,446,926 km (0.11 R)
• M32: 45,049,155 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.4

Radius: 5.3

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.46 AU - 13.86 AU

Year: 17181 Days

Day: 16.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,776,801 km

• M1: 244,593 km (0.092 R)
• M2: 703,260 km (0.068 R)
• M3: 946,207 km (0.068 R)
• M4: 1,310,777 km (0.109 R)
• M5: 2,158,847 km (0.086 R)
• M6: 2,523,866 km (0.12 R)
• M7: 3,562,224 km (0.067 R)
• M8: 6,201,580 km (0.07 R)
• M9: 8,727,540 km (0.071 R)
• M10: 8,977,368 km (0.049 R)
• M11: 14,400,889 km (0.056 R)
• M12: 14,820,511 km (0.113 R)
• M13: 15,104,598 km (0.113 R)
• M14: 16,963,800 km (0.1 R)
• M15: 18,721,575 km (0.055 R)
• M16: 19,729,865 km (0.107 R)
• M17: 21,129,652 km (0.099 R)
• M18: 24,617,975 km (0.059 R)
• M19: 27,074,971 km (0.08 R)
• M20: 29,132,241 km (0.054 R)
• M21: 30,943,721 km (0.118 R)
• M22: 32,469,619 km (0.101 R)
• M23: 36,567,404 km (0.051 R)
• M24: 37,216,809 km (0.115 R)
• M25: 38,271,922 km (0.038 R)
• M26: 39,346,933 km (0.1 R)
• M27: 42,121,973 km (0.114 R)
• M28: 51,549,033 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.6

Radius: 3.4

Gravity: 40.71 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 14.96 AU - 18.78 AU

Year: 24937 Days

Day: 15.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,776,801 km

• M1: 42,635 km (0.07 R)
• M2: 183,407 km (0.112 R)
• M3: 534,513 km (0.087 R)
• M4: 673,490 km (0.097 R)
• M5: 847,622 km (0.11 R)
• M6: 975,827 km (0.088 R)
• M7: 2,380,551 km (0.043 R)
• M8: 2,686,179 km (0.111 R)
• M9: 3,262,131 km (0.071 R)
• M10: 5,130,010 km (0.074 R)
• M11: 7,173,218 km (0.102 R)
• M12: 9,642,929 km (0.113 R)
• M13: 9,994,185 km (0.117 R)
• M14: 12,904,911 km (0.094 R)
• M15: 14,514,135 km (0.087 R)
• M16: 15,366,693 km (0.101 R)
• M17: 15,926,339 km (0.069 R)
• M18: 17,513,572 km (0.088 R)
• M19: 19,946,034 km (0.048 R)
• M20: 23,631,976 km (0.073 R)
• M21: 24,484,534 km (0.102 R)
• M22: 29,420,665 km (0.109 R)
• M23: 31,287,497 km (0.113 R)
• M24: 36,931,376 km (0.113 R)
• M25: 45,951,529 km (0.082 R)
• M26: 54,290,414 km (0.073 R)
• M27: 62,367,053 km (0.099 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 19,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit