🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.83 AU - 1.09 AU

Year: 335 Days

Day: 23.2 Hours

Environment

Temp: 81 °C

Axial Tilt: 20.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.89 AU - 1.47 AU

Year: 457 Days

Day: 18.2 Hours

Environment

Temp: 6 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.45 AU - 1.49 AU

Year: 635 Days

Day: 14.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 29.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.03 AU - 2.89 AU

Year: 1375 Days

Day: 32.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 174.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,816,106 km

• M1: 1,554,771 km (0.077 R)

Asteroid Belt

Center: 3.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.13 AU - 6.29 AU

Year: 4239 Days

Day: 32.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.1

Radius: 8.3

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.05 AU - 6.33 AU

Year: 4838 Days

Day: 9.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,816,106 km

• M1: 103,223 km (0.118 R)
• M2: 419,472 km (0.119 R)
• M3: 714,779 km (0.058 R)
• M4: 1,065,885 km (0.097 R)
• M5: 1,402,929 km (0.048 R)
• M6: 2,476,144 km (0.106 R)
• M7: 3,447,932 km (0.099 R)
• M8: 3,706,138 km (0.103 R)
• M9: 4,654,139 km (0.055 R)
• M10: 5,197,778 km (0.082 R)
• M11: 5,810,680 km (0.059 R)
• M12: 6,149,071 km (0.069 R)
• M13: 7,276,141 km (0.107 R)
• M14: 7,537,040 km (0.108 R)
• M15: 8,535,307 km (0.095 R)
• M16: 9,775,772 km (0.092 R)
• M17: 10,336,764 km (0.071 R)
• M18: 11,699,451 km (0.097 R)
• M19: 12,470,329 km (0.057 R)
• M20: 14,468,208 km (0.109 R)
• M21: 16,279,689 km (0.104 R)
• M22: 16,558,240 km (0.066 R)
• M23: 17,587,474 km (0.094 R)
• M24: 18,598,306 km (0.081 R)
• M25: 19,087,043 km (0.052 R)
• M26: 19,710,118 km (0.064 R)
• M27: 21,393,543 km (0.09 R)
• M28: 21,930,300 km (0.116 R)
• M29: 22,475,883 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 10.4

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.56 AU - 10.62 AU

Year: 11424 Days

Day: 7.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,816,106 km

• M1: 130,898 km (0.079 R)
• M2: 470,186 km (0.077 R)
• M3: 911,799 km (0.066 R)
• M4: 1,459,776 km (0.097 R)
• M5: 1,810,284 km (0.079 R)
• M6: 3,613,387 km (0.089 R)
• M7: 4,961,413 km (0.073 R)
• M8: 6,313,479 km (0.106 R)
• M9: 6,735,943 km (0.118 R)
• M10: 7,723,289 km (0.076 R)
• M11: 9,983,713 km (0.076 R)
• M12: 10,880,552 km (0.092 R)
• M13: 12,473,770 km (0.079 R)
• M14: 13,513,924 km (0.09 R)
• M15: 14,152,108 km (0.113 R)
• M16: 14,810,339 km (0.115 R)
• M17: 15,488,915 km (0.116 R)
• M18: 15,905,844 km (0.069 R)
• M19: 16,545,375 km (0.104 R)
• M20: 18,958,837 km (0.068 R)
• M21: 20,249,568 km (0.111 R)
• M22: 21,340,735 km (0.086 R)
• M23: 22,559,209 km (0.069 R)
• M24: 24,007,765 km (0.114 R)
• M25: 30,317,205 km (0.074 R)
• M26: 32,191,966 km (0.061 R)
• M27: 36,414,964 km (0.106 R)
• M28: 41,926,000 km (0.119 R)
• M29: 43,145,971 km (0.089 R)
• M30: 47,383,480 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.2

Radius: 8

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.14 AU - 18.9 AU

Year: 21794 Days

Day: 20.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,816,106 km

• M1: 99,632 km (0.087 R)
• M2: 421,866 km (0.105 R)
• M3: 1,093,710 km (0.058 R)
• M4: 1,519,166 km (0.037 R)
• M5: 1,817,614 km (0.118 R)
• M6: 5,940,083 km (0.059 R)
• M7: 15,473,057 km (0.062 R)
• M8: 17,053,559 km (0.077 R)
• M9: 18,285,049 km (0.118 R)
• M10: 18,830,632 km (0.11 R)
• M11: 34,711,792 km (0.069 R)
• M12: 35,407,722 km (0.108 R)
• M13: 37,843,624 km (0.081 R)
• M14: 38,878,243 km (0.061 R)
• M15: 44,826,553 km (0.116 R)
• M16: 61,273,642 km (0.086 R)
• M17: 62,699,460 km (0.101 R)
• M18: 69,279,971 km (0.088 R)
• M19: 69,719,639 km (0.095 R)
• M20: 78,909,436 km (0.119 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 17,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit