🌌 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: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.56 AU - 0.56 AU

Year: 149 Days

Day: 43.9 Hours

Environment

Temp: 237 °C

Axial Tilt: 174.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.82 AU - 0.88 AU

Year: 279 Days

Day: 35.9 Hours

Environment

Temp: 186 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.71 AU - 1.03 AU

Year: 289 Days

Day: 19.7 Hours

Environment

Temp: 165 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,183,865 km

• M1: 39,344 km (0.061 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.89 AU - 1.93 AU

Year: 941 Days

Day: 32.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,183,865 km

• M1: 56,099 km (0.081 R)
• M2: 725,699 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.88 AU - 5.86 AU

Year: 3831 Days

Day: 36.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,183,865 km

• M1: 340,186 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 8

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 11.76 AU - 13.36 AU

Year: 15866 Days

Day: 6.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,183,865 km

• M1: 119,080 km (0.095 R)
• M2: 369,656 km (0.073 R)
• M3: 1,133,952 km (0.12 R)
• M4: 1,425,369 km (0.079 R)
• M5: 2,030,791 km (0.088 R)
• M6: 2,594,925 km (0.056 R)
• M7: 5,746,353 km (0.087 R)
• M8: 6,251,097 km (0.115 R)
• M9: 6,869,983 km (0.08 R)
• M10: 7,304,714 km (0.099 R)
• M11: 10,197,937 km (0.119 R)
• M12: 11,410,877 km (0.055 R)
• M13: 12,588,661 km (0.099 R)
• M14: 13,108,065 km (0.1 R)
• M15: 14,398,945 km (0.084 R)
• M16: 14,752,295 km (0.075 R)
• M17: 22,806,495 km (0.051 R)
• M18: 23,093,872 km (0.054 R)
• M19: 24,367,399 km (0.12 R)
• M20: 25,687,151 km (0.045 R)
• M21: 28,579,327 km (0.096 R)
• M22: 31,919,847 km (0.073 R)
• M23: 32,642,106 km (0.108 R)
• M24: 38,006,087 km (0.074 R)
• M25: 39,090,372 km (0.102 R)
• M26: 43,340,448 km (0.107 R)
• M27: 43,634,258 km (0.028 R)
• M28: 45,728,329 km (0.11 R)
• M29: 54,093,244 km (0.101 R)
• M30: 54,604,719 km (0.093 R)
• M31: 61,181,340 km (0.065 R)
• M32: 61,922,598 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539

Radius: 6.3

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 11.71 AU - 16.47 AU

Year: 18852 Days

Day: 24.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,183,865 km

• M1: 78,389 km (0.055 R)
• M2: 283,937 km (0.116 R)
• M3: 512,373 km (0.051 R)
• M4: 711,936 km (0.079 R)
• M5: 3,251,809 km (0.117 R)
• M6: 3,750,568 km (0.028 R)
• M7: 4,235,415 km (0.109 R)
• M8: 4,526,233 km (0.098 R)
• M9: 5,147,513 km (0.088 R)
• M10: 5,478,872 km (0.1 R)
• M11: 6,022,361 km (0.073 R)
• M12: 6,860,409 km (0.071 R)
• M13: 7,261,929 km (0.088 R)
• M14: 7,821,425 km (0.117 R)
• M15: 8,662,764 km (0.111 R)
• M16: 13,239,262 km (0.071 R)
• M17: 14,430,809 km (0.1 R)
• M18: 21,381,575 km (0.088 R)
• M19: 23,413,712 km (0.083 R)
• M20: 28,082,363 km (0.072 R)
• M21: 31,598,511 km (0.062 R)
• M22: 33,588,761 km (0.093 R)
• M23: 36,998,545 km (0.104 R)
• M24: 38,786,838 km (0.118 R)
• M25: 46,992,581 km (0.058 R)
• M26: 48,761,725 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.5

Radius: 5.3

Gravity: 16.54 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 11.17 AU - 18.29 AU

Year: 20151 Days

Day: 24.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,183,865 km

• M1: 65,973 km (0.113 R)
• M2: 262,245 km (0.094 R)
• M3: 594,801 km (0.098 R)
• M4: 1,386,922 km (0.091 R)
• M5: 1,652,608 km (0.094 R)
• M6: 2,104,393 km (0.093 R)
• M7: 2,727,319 km (0.114 R)
• M8: 3,549,060 km (0.096 R)
• M9: 3,836,737 km (0.077 R)
• M10: 5,291,277 km (0.106 R)
• M11: 5,514,776 km (0.089 R)
• M12: 7,818,134 km (0.054 R)
• M13: 8,455,720 km (0.082 R)
• M14: 11,171,819 km (0.087 R)
• M15: 20,072,294 km (0.103 R)
• M16: 20,343,066 km (0.117 R)
• M17: 21,450,539 km (0.12 R)
• M18: 30,707,506 km (0.065 R)
• M19: 33,032,107 km (0.078 R)
• M20: 39,422,330 km (0.11 R)
• M21: 45,338,776 km (0.087 R)
• M22: 46,905,066 km (0.068 R)
• M23: 48,669,423 km (0.05 R)
• M24: 49,814,894 km (0.114 R)
• M25: 57,793,098 km (0.09 R)
• M26: 64,600,101 km (0.067 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 16,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit