🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.58 AU - 0.88 AU

Year: 234 Days

Day: 18.3 Hours

Environment

Temp: 142 °C

Axial Tilt: 127.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.89 AU - 1.31 AU

Year: 432 Days

Day: 34.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.45 AU - 2.37 AU

Year: 989 Days

Day: 25.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,137,236 km

• M1: 194,627 km (0.064 R)
• M2: 501,901 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.18 AU - 3.56 AU

Year: 1822 Days

Day: 27.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,137,236 km

• M1: 53,406 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.78 AU - 3.96 AU

Year: 2318 Days

Day: 38.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.96 AU - 4.48 AU

Year: 2689 Days

Day: 36.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.98 AU - 4.4 AU

Year: 3214 Days

Day: 34.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 14.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.94 AU - 5.04 AU

Year: 4177 Days

Day: 5.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,137,236 km

• M1: 183,108 km (0.099 R)
• M2: 725,849 km (0.044 R)
• M3: 2,137,754 km (0.094 R)
• M4: 3,175,215 km (0.102 R)
• M5: 4,285,231 km (0.101 R)
• M6: 5,038,307 km (0.101 R)
• M7: 5,986,458 km (0.12 R)
• M8: 7,142,102 km (0.085 R)
• M9: 7,904,153 km (0.057 R)
• M10: 8,968,243 km (0.085 R)
• M11: 10,440,136 km (0.114 R)
• M12: 11,006,065 km (0.1 R)
• M13: 12,691,734 km (0.071 R)
• M14: 13,478,020 km (0.058 R)
• M15: 14,693,353 km (0.106 R)
• M16: 15,560,722 km (0.096 R)
• M17: 16,516,054 km (0.109 R)
• M18: 17,118,933 km (0.095 R)
• M19: 20,795,899 km (0.056 R)
• M20: 21,499,308 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.4

Radius: 3

Gravity: 30.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 9.71 AU - 15.51 AU

Year: 16780 Days

Day: 24.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 135.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,137,236 km

• M1: 49,816 km (0.103 R)
• M2: 180,714 km (0.103 R)
• M3: 359,633 km (0.068 R)
• M4: 607,966 km (0.111 R)
• M5: 928,105 km (0.075 R)
• M6: 1,417,290 km (0.103 R)
• M7: 1,821,504 km (0.046 R)
• M8: 2,130,573 km (0.049 R)
• M9: 3,540,982 km (0.09 R)
• M10: 4,542,091 km (0.096 R)
• M11: 4,945,706 km (0.094 R)
• M12: 5,238,768 km (0.11 R)
• M13: 6,262,316 km (0.099 R)
• M14: 6,722,330 km (0.073 R)
• M15: 7,122,504 km (0.114 R)
• M16: 10,537,524 km (0.078 R)
• M17: 10,697,445 km (0.096 R)
• M18: 11,409,082 km (0.068 R)
• M19: 14,837,266 km (0.118 R)
• M20: 15,582,713 km (0.099 R)
• M21: 16,424,201 km (0.056 R)
• M22: 16,711,129 km (0.036 R)
• M23: 18,971,703 km (0.109 R)
• M24: 19,527,010 km (0.077 R)
• M25: 22,204,064 km (0.109 R)
• M26: 25,978,119 km (0.113 R)
• M27: 28,374,228 km (0.097 R)
• M28: 29,731,679 km (0.078 R)
• M29: 37,049,259 km (0.105 R)
• M30: 45,339,225 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 19,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit