🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.63 AU - 0.87 AU

Year: 229 Days

Day: 28.5 Hours

Environment

Temp: 173 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,665,743 km

• M1: 62,382 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.93 AU - 3.07 AU

Year: 1396 Days

Day: 21.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,665,743 km

• M1: 362,476 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.86 AU - 3.5 AU

Year: 2002 Days

Day: 15.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.71 AU - 4.29 AU

Year: 2312 Days

Day: 18.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.7 AU - 4.44 AU

Year: 2899 Days

Day: 47.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.58 AU - 5.12 AU

Year: 3204 Days

Day: 16.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.6

Radius: 11.2

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.24 AU - 10.22 AU

Year: 9108 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,665,743 km

• M1: 139,425 km (0.068 R)
• M2: 730,187 km (0.117 R)
• M3: 1,119,291 km (0.102 R)
• M4: 2,061,309 km (0.099 R)
• M5: 2,450,413 km (0.075 R)
• M6: 2,888,585 km (0.115 R)
• M7: 4,583,230 km (0.071 R)
• M8: 5,013,025 km (0.084 R)
• M9: 5,887,873 km (0.114 R)
• M10: 6,572,882 km (0.042 R)
• M11: 7,541,977 km (0.073 R)
• M12: 8,689,392 km (0.113 R)
• M13: 9,532,077 km (0.049 R)
• M14: 10,476,937 km (0.091 R)
• M15: 11,225,824 km (0.092 R)
• M16: 12,225,138 km (0.109 R)
• M17: 12,663,161 km (0.118 R)
• M18: 13,340,091 km (0.043 R)
• M19: 14,219,726 km (0.054 R)
• M20: 15,579,571 km (0.091 R)
• M21: 16,029,861 km (0.086 R)
• M22: 20,636,278 km (0.053 R)
• M23: 22,703,122 km (0.068 R)
• M24: 24,384,154 km (0.108 R)
• M25: 26,875,108 km (0.034 R)
• M26: 27,430,116 km (0.083 R)
• M27: 28,563,170 km (0.041 R)
• M28: 33,621,972 km (0.097 R)
• M29: 38,658,932 km (0.066 R)
• M30: 39,485,161 km (0.089 R)
• M31: 40,082,505 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.1

Radius: 10.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.56 AU - 10.32 AU

Year: 11066 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,665,743 km

• M1: 131,646 km (0.091 R)
• M2: 477,068 km (0.096 R)
• M3: 797,656 km (0.116 R)
• M4: 1,350,719 km (0.11 R)
• M5: 1,763,908 km (0.095 R)
• M6: 2,203,128 km (0.09 R)
• M7: 3,303,869 km (0.094 R)
• M8: 3,998,302 km (0.104 R)
• M9: 4,568,869 km (0.036 R)
• M10: 4,987,144 km (0.098 R)
• M11: 9,008,185 km (0.09 R)
• M12: 10,485,464 km (0.081 R)
• M13: 11,796,839 km (0.066 R)
• M14: 13,561,047 km (0.093 R)
• M15: 15,824,762 km (0.072 R)
• M16: 18,698,836 km (0.062 R)
• M17: 22,600,498 km (0.062 R)
• M18: 24,110,838 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.5

Radius: 12.6

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 9.76 AU - 14.36 AU

Year: 14788 Days

Day: 15 Hours

Environment

Temp: -179 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,665,743 km

• M1: 163,211 km (0.112 R)
• M2: 696,079 km (0.1 R)
• M3: 1,628,822 km (0.109 R)
• M4: 3,499,393 km (0.091 R)
• M5: 4,833,358 km (0.043 R)
• M6: 5,428,458 km (0.064 R)
• M7: 8,066,467 km (0.048 R)
• M8: 8,605,618 km (0.057 R)
• M9: 9,572,768 km (0.107 R)
• M10: 10,758,331 km (0.106 R)
• M11: 11,933,422 km (0.078 R)
• M12: 14,964,873 km (0.106 R)
• M13: 18,618,801 km (0.088 R)
• M14: 21,466,098 km (0.111 R)
• M15: 25,024,582 km (0.108 R)
• M16: 27,080,955 km (0.055 R)
• M17: 30,621,936 km (0.112 R)
• M18: 34,893,703 km (0.094 R)
• M19: 35,881,947 km (0.119 R)
• M20: 37,799,492 km (0.09 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 15,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit