🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.57 AU - 0.87 AU

Year: 218 Days

Day: 37.2 Hours

Environment

Temp: 176 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1 AU - 1.38 AU

Year: 463 Days

Day: 15.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.1 AU - 1.66 AU

Year: 578 Days

Day: 26.8 Hours

Environment

Temp: -10 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.42 AU - 1.46 AU

Year: 616 Days

Day: 46.7 Hours

Environment

Temp: -0 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.76 AU - 2.28 AU

Year: 1023 Days

Day: 14.7 Hours

Environment

Temp: -68 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.3 AU - 2.96 AU

Year: 1520 Days

Day: 35.2 Hours

Environment

Temp: -87 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,757,953 km

• M1: 960,269 km (0.088 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.43 AU - 3.67 AU

Year: 2384 Days

Day: 40.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,757,953 km

• M1: 733,927 km (0.072 R)
• M2: 953,836 km (0.091 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.19 AU - 5.23 AU

Year: 3079 Days

Day: 43.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.1

Radius: 12.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.92 AU - 8.42 AU

Year: 6843 Days

Day: 13.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,757,953 km

• M1: 151,842 km (0.103 R)
• M2: 552,615 km (0.119 R)
• M3: 1,044,044 km (0.117 R)
• M4: 1,568,534 km (0.094 R)
• M5: 2,134,612 km (0.108 R)
• M6: 3,404,100 km (0.047 R)
• M7: 3,999,200 km (0.078 R)
• M8: 4,804,036 km (0.079 R)
• M9: 5,398,538 km (0.108 R)
• M10: 5,843,442 km (0.102 R)
• M11: 7,636,971 km (0.116 R)
• M12: 8,281,589 km (0.071 R)
• M13: 9,726,106 km (0.042 R)
• M14: 10,729,010 km (0.098 R)
• M15: 11,799,532 km (0.1 R)
• M16: 12,279,592 km (0.11 R)
• M17: 12,884,117 km (0.115 R)
• M18: 17,139,129 km (0.052 R)
• M19: 17,894,448 km (0.089 R)
• M20: 18,671,909 km (0.101 R)
• M21: 22,983,768 km (0.041 R)
• M22: 29,350,205 km (0.108 R)
• M23: 33,728,186 km (0.089 R)
• M24: 34,371,906 km (0.036 R)
• M25: 37,713,623 km (0.082 R)
• M26: 38,174,983 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.1

Radius: 3.3

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 17.21 AU - 22.45 AU

Year: 31476 Days

Day: 24 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,757,953 km

• M1: 42,037 km (0.104 R)
• M2: 177,273 km (0.091 R)
• M3: 459,116 km (0.09 R)
• M4: 872,156 km (0.082 R)
• M5: 984,803 km (0.117 R)
• M6: 2,610,034 km (0.07 R)
• M7: 3,385,250 km (0.119 R)
• M8: 3,639,866 km (0.03 R)
• M9: 7,172,171 km (0.1 R)
• M10: 8,071,553 km (0.096 R)
• M11: 8,525,134 km (0.116 R)
• M12: 8,711,234 km (0.062 R)
• M13: 9,834,564 km (0.108 R)
• M14: 10,351,724 km (0.089 R)
• M15: 12,245,633 km (0.114 R)
• M16: 13,398,584 km (0.105 R)
• M17: 14,033,627 km (0.116 R)
• M18: 14,888,728 km (0.096 R)
• M19: 15,500,583 km (0.065 R)
• M20: 20,759,846 km (0.084 R)
• M21: 22,129,265 km (0.117 R)
• M22: 31,407,923 km (0.08 R)
• M23: 39,148,566 km (0.074 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 14,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit