🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.61 AU - 0.67 AU

Year: 186 Days

Day: 41 Hours

Environment

Temp: 130 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 40,398,936 km

• M1: 215,421 km (0.055 R)
• M2: 337,343 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.62 AU - 0.72 AU

Year: 199 Days

Day: 31.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.33 AU - 1.33 AU

Year: 557 Days

Day: 45.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 40,398,936 km

• M1: 40,840 km (0.089 R)
• M2: 338,390 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.22 AU - 1.54 AU

Year: 589 Days

Day: 38.6 Hours

Environment

Temp: 6 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.89 AU - 2.49 AU

Year: 1178 Days

Day: 22.9 Hours

Environment

Temp: -79 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,398,936 km

• M1: 289,621 km (0.04 R)

Asteroid Belt

Center: 4.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.4

Radius: 11.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.85 AU - 7.37 AU

Year: 6176 Days

Day: 9.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,398,936 km

• M1: 145,559 km (0.077 R)
• M2: 547,079 km (0.098 R)
• M3: 1,403,527 km (0.097 R)
• M4: 1,795,773 km (0.096 R)
• M5: 7,649,986 km (0.099 R)
• M6: 8,846,919 km (0.095 R)
• M7: 10,299,215 km (0.05 R)
• M8: 13,347,272 km (0.078 R)
• M9: 13,780,058 km (0.111 R)
• M10: 17,331,362 km (0.053 R)
• M11: 19,386,238 km (0.118 R)
• M12: 23,895,417 km (0.055 R)
• M13: 24,373,682 km (0.057 R)
• M14: 25,930,098 km (0.09 R)
• M15: 29,331,056 km (0.098 R)
• M16: 31,185,471 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.5

Radius: 14.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.22 AU - 10.08 AU

Year: 10059 Days

Day: 10.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,398,936 km

• M1: 185,352 km (0.062 R)
• M2: 823,536 km (0.105 R)
• M3: 1,304,045 km (0.111 R)
• M4: 1,885,382 km (0.069 R)
• M5: 2,605,995 km (0.114 R)
• M6: 3,589,601 km (0.109 R)
• M7: 4,731,781 km (0.116 R)
• M8: 5,235,477 km (0.057 R)
• M9: 6,703,331 km (0.076 R)
• M10: 7,272,252 km (0.047 R)
• M11: 9,256,518 km (0.117 R)
• M12: 10,396,154 km (0.045 R)
• M13: 13,733,533 km (0.051 R)
• M14: 21,711,289 km (0.093 R)
• M15: 26,419,582 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.3

Radius: 5.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 12 AU - 17.92 AU

Year: 21029 Days

Day: 17.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,398,936 km

• M1: 63,579 km (0.083 R)
• M2: 1,304,793 km (0.101 R)
• M3: 1,971,550 km (0.085 R)
• M4: 2,148,375 km (0.092 R)
• M5: 5,745,456 km (0.025 R)
• M6: 7,025,714 km (0.106 R)
• M7: 10,230,101 km (0.107 R)
• M8: 20,350,846 km (0.096 R)
• M9: 33,579,336 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.5

Radius: 7.3

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 15.95 AU - 19.77 AU

Year: 27432 Days

Day: 20.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,398,936 km

• M1: 92,302 km (0.047 R)
• M2: 480,359 km (0.106 R)
• M3: 1,971,401 km (0.107 R)
• M4: 2,930,323 km (0.096 R)
• M5: 3,524,376 km (0.091 R)
• M6: 5,693,246 km (0.12 R)
• M7: 9,604,632 km (0.092 R)
• M8: 9,978,926 km (0.089 R)
• M9: 15,073,182 km (0.107 R)
• M10: 15,900,608 km (0.087 R)
• M11: 16,161,208 km (0.106 R)
• M12: 17,163,962 km (0.112 R)
• M13: 17,507,140 km (0.106 R)
• M14: 18,564,647 km (0.047 R)
• M15: 18,853,670 km (0.118 R)
• M16: 19,366,641 km (0.107 R)
• M17: 20,115,528 km (0.113 R)
• M18: 28,220,442 km (0.109 R)
• M19: 30,365,825 km (0.101 R)
• M20: 37,565,821 km (0.046 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 11,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit