🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.46 AU - 0.64 AU

Year: 153 Days

Day: 20.8 Hours

Environment

Temp: 165 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.7 AU - 0.78 AU

Year: 239 Days

Day: 18.7 Hours

Environment

Temp: 161 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.74 AU - 0.9 AU

Year: 278 Days

Day: 23.4 Hours

Environment

Temp: 94 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.98 AU - 1.14 AU

Year: 409 Days

Day: 29.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 0.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.37 AU - 2.79 AU

Year: 1553 Days

Day: 29.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 168.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,301,842 km

• M1: 474,674 km (0.043 R)

Asteroid Belt

Center: 4.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.8

Radius: 11.8

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.81 AU - 6.87 AU

Year: 5289 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,301,842 km

• M1: 147,204 km (0.065 R)
• M2: 848,669 km (0.077 R)
• M3: 1,278,613 km (0.097 R)
• M4: 1,748,350 km (0.084 R)
• M5: 2,515,638 km (0.12 R)
• M6: 3,670,085 km (0.107 R)
• M7: 4,181,410 km (0.093 R)
• M8: 4,793,415 km (0.115 R)
• M9: 6,324,998 km (0.071 R)
• M10: 7,345,106 km (0.057 R)
• M11: 8,511,371 km (0.108 R)
• M12: 12,289,315 km (0.079 R)
• M13: 12,803,035 km (0.058 R)
• M14: 15,530,653 km (0.102 R)
• M15: 22,106,975 km (0.114 R)
• M16: 23,176,899 km (0.117 R)
• M17: 24,041,425 km (0.062 R)
• M18: 26,002,204 km (0.111 R)
• M19: 27,803,363 km (0.117 R)
• M20: 28,244,228 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 14.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.99 AU - 6.39 AU

Year: 5771 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,301,842 km

• M1: 184,305 km (0.112 R)
• M2: 813,513 km (0.072 R)
• M3: 1,633,160 km (0.079 R)
• M4: 3,110,439 km (0.075 R)
• M5: 3,893,733 km (0.104 R)
• M6: 4,656,683 km (0.102 R)
• M7: 5,246,098 km (0.082 R)
• M8: 6,119,301 km (0.106 R)
• M9: 6,606,990 km (0.097 R)
• M10: 7,695,464 km (0.054 R)
• M11: 8,672,488 km (0.087 R)
• M12: 12,294,103 km (0.115 R)
• M13: 13,629,264 km (0.086 R)
• M14: 14,949,914 km (0.097 R)
• M15: 16,940,313 km (0.045 R)
• M16: 18,340,998 km (0.104 R)
• M17: 19,230,657 km (0.071 R)
• M18: 24,192,369 km (0.111 R)
• M19: 27,008,100 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.3

Radius: 3.3

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 12.71 AU - 17.91 AU

Year: 22449 Days

Day: 19.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,301,842 km

• M1: 40,990 km (0.096 R)
• M2: 193,729 km (0.066 R)
• M3: 697,276 km (0.108 R)
• M4: 892,202 km (0.077 R)
• M5: 2,197,742 km (0.114 R)
• M6: 2,690,966 km (0.034 R)
• M7: 4,501,699 km (0.102 R)
• M8: 4,609,260 km (0.11 R)
• M9: 4,773,668 km (0.116 R)
• M10: 5,114,302 km (0.064 R)
• M11: 7,581,470 km (0.096 R)
• M12: 9,198,025 km (0.092 R)
• M13: 9,502,756 km (0.04 R)
• M14: 10,646,132 km (0.106 R)
• M15: 11,079,368 km (0.115 R)
• M16: 12,501,894 km (0.107 R)
• M17: 14,214,042 km (0.105 R)
• M18: 20,057,335 km (0.059 R)
• M19: 22,625,780 km (0.108 R)
• M20: 30,272,775 km (0.101 R)
• M21: 30,752,685 km (0.056 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 16,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit