🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.44 AU - 0.68 AU

Year: 149 Days

Day: 41.3 Hours

Environment

Temp: 205 °C

Axial Tilt: 21 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.55 AU - 0.83 AU

Year: 204 Days

Day: 24.8 Hours

Environment

Temp: 183 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.91 AU - 1.23 AU

Year: 395 Days

Day: 22.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 82,120,670 km

• M1: 241,601 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1 AU - 1.3 AU

Year: 440 Days

Day: 20 Hours

Environment

Temp: 32 °C

Axial Tilt: 28.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.3 AU - 1.3 AU

Year: 528 Days

Day: 20.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 82,120,670 km

• M1: 656,735 km (0.095 R)

Asteroid Belt

Center: 6.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.8

Radius: 9.2

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 11.44 AU - 11.78 AU

Year: 14101 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,120,670 km

• M1: 114,592 km (0.102 R)
• M2: 486,791 km (0.083 R)
• M3: 1,843,794 km (0.105 R)
• M4: 2,341,356 km (0.118 R)
• M5: 3,142,004 km (0.076 R)
• M6: 3,659,912 km (0.059 R)
• M7: 4,324,874 km (0.064 R)
• M8: 5,034,268 km (0.092 R)
• M9: 5,633,856 km (0.087 R)
• M10: 6,891,076 km (0.103 R)
• M11: 10,498,928 km (0.056 R)
• M12: 12,896,084 km (0.117 R)
• M13: 13,949,702 km (0.107 R)
• M14: 14,290,486 km (0.069 R)
• M15: 15,418,305 km (0.1 R)
• M16: 15,930,079 km (0.096 R)
• M17: 18,825,097 km (0.094 R)
• M18: 20,527,670 km (0.113 R)
• M19: 24,236,501 km (0.113 R)
• M20: 35,287,744 km (0.089 R)
• M21: 48,501,574 km (0.08 R)
• M22: 50,554,656 km (0.097 R)
• M23: 51,846,583 km (0.071 R)
• M24: 55,854,310 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.1

Radius: 6.7

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.19 AU - 13.59 AU

Year: 16496 Days

Day: 15.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,120,670 km

• M1: 84,523 km (0.075 R)
• M2: 295,905 km (0.11 R)
• M3: 726,597 km (0.084 R)
• M4: 936,632 km (0.041 R)
• M5: 1,497,923 km (0.092 R)
• M6: 1,829,881 km (0.035 R)
• M7: 2,281,218 km (0.086 R)
• M8: 2,867,193 km (0.058 R)
• M9: 3,622,812 km (0.079 R)
• M10: 4,141,318 km (0.034 R)
• M11: 4,649,203 km (0.107 R)
• M12: 7,420,653 km (0.089 R)
• M13: 8,255,259 km (0.074 R)
• M14: 8,830,314 km (0.12 R)
• M15: 9,431,697 km (0.096 R)
• M16: 9,815,266 km (0.115 R)
• M17: 13,993,684 km (0.118 R)
• M18: 16,956,021 km (0.09 R)
• M19: 20,390,788 km (0.04 R)
• M20: 22,864,838 km (0.112 R)
• M21: 24,620,967 km (0.062 R)
• M22: 31,368,878 km (0.098 R)
• M23: 35,106,282 km (0.049 R)
• M24: 35,795,180 km (0.03 R)
• M25: 40,244,370 km (0.097 R)
• M26: 40,746,271 km (0.053 R)
• M27: 44,378,059 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.6

Radius: 6.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 14.22 AU - 16.82 AU

Year: 21794 Days

Day: 18.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 70 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,120,670 km

• M1: 84,523 km (0.085 R)
• M2: 375,491 km (0.106 R)
• M3: 737,817 km (0.099 R)
• M4: 1,416,841 km (0.086 R)
• M5: 2,922,993 km (0.115 R)
• M6: 3,723,641 km (0.057 R)
• M7: 4,312,607 km (0.072 R)
• M8: 4,597,292 km (0.108 R)
• M9: 5,749,645 km (0.095 R)
• M10: 8,512,867 km (0.079 R)
• M11: 8,760,302 km (0.108 R)
• M12: 12,556,348 km (0.111 R)
• M13: 13,468,446 km (0.109 R)
• M14: 14,847,289 km (0.102 R)
• M15: 17,482,157 km (0.103 R)
• M16: 18,044,196 km (0.099 R)
• M17: 23,851,735 km (0.025 R)
• M18: 25,247,483 km (0.089 R)
• M19: 25,965,403 km (0.112 R)
• M20: 29,760,402 km (0.1 R)
• M21: 35,416,249 km (0.071 R)
• M22: 43,332,370 km (0.102 R)
• M23: 44,065,399 km (0.094 R)
• M24: 54,022,035 km (0.107 R)
• M25: 58,712,228 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.3

Radius: 6.6

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 14.89 AU - 20.31 AU

Year: 26319 Days

Day: 15.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,120,670 km

• M1: 82,279 km (0.099 R)
• M2: 1,041,650 km (0.078 R)
• M3: 1,259,315 km (0.116 R)
• M4: 5,861,245 km (0.106 R)
• M5: 7,508,168 km (0.109 R)
• M6: 8,491,325 km (0.11 R)
• M7: 9,211,788 km (0.106 R)
• M8: 13,000,205 km (0.096 R)
• M9: 13,955,836 km (0.027 R)
• M10: 17,714,033 km (0.115 R)
• M11: 27,741,728 km (0.066 R)
• M12: 29,693,382 km (0.087 R)
• M13: 30,321,693 km (0.075 R)
• M14: 31,604,645 km (0.119 R)
• M15: 36,380,108 km (0.113 R)
• M16: 40,071,286 km (0.118 R)
• M17: 55,041,545 km (0.099 R)
• M18: 57,333,833 km (0.095 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 20,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit