🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.99 AU - 1.33 AU

Year: 466 Days

Day: 19.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,123,698 km

• M1: 81,082 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.95 AU - 1.39 AU

Year: 472 Days

Day: 44.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.19 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.9

Radius: 10.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.11 AU - 5.31 AU

Year: 4433 Days

Day: 11.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,123,698 km

• M1: 129,552 km (0.062 R)
• M2: 498,011 km (0.077 R)
• M3: 947,104 km (0.096 R)
• M4: 1,471,594 km (0.056 R)
• M5: 1,807,441 km (0.11 R)
• M6: 2,867,043 km (0.116 R)
• M7: 3,670,833 km (0.097 R)
• M8: 3,994,862 km (0.04 R)
• M9: 4,436,774 km (0.118 R)
• M10: 4,953,933 km (0.115 R)
• M11: 5,373,556 km (0.1 R)
• M12: 6,109,278 km (0.112 R)
• M13: 6,856,968 km (0.097 R)
• M14: 7,987,180 km (0.084 R)
• M15: 8,881,177 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.2

Radius: 10.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.13 AU - 7.25 AU

Year: 5741 Days

Day: 11.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,123,698 km

• M1: 149,897 km (0.096 R)
• M2: 496,964 km (0.076 R)
• M3: 1,687,913 km (0.096 R)
• M4: 2,386,236 km (0.118 R)
• M5: 4,311,261 km (0.118 R)
• M6: 5,662,579 km (0.098 R)
• M7: 6,516,633 km (0.054 R)
• M8: 9,703,067 km (0.057 R)
• M9: 10,809,344 km (0.029 R)
• M10: 11,235,398 km (0.063 R)
• M11: 13,403,072 km (0.104 R)
• M12: 15,154,115 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.4

Radius: 3.4

Gravity: 20.45 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 17.83 AU - 19.55 AU

Year: 30121 Days

Day: 22.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,123,698 km

• M1: 68,366 km (0.072 R)
• M2: 411,544 km (0.119 R)
• M3: 1,647,521 km (0.102 R)
• M4: 2,109,928 km (0.079 R)
• M5: 2,232,748 km (0.069 R)
• M6: 4,167,497 km (0.054 R)
• M7: 4,837,098 km (0.063 R)
• M8: 5,015,119 km (0.074 R)
• M9: 5,498,470 km (0.115 R)
• M10: 10,475,740 km (0.12 R)
• M11: 18,500,021 km (0.04 R)
• M12: 20,838,235 km (0.028 R)
• M13: 26,859,400 km (0.114 R)
• M14: 29,372,046 km (0.074 R)
• M15: 31,172,157 km (0.089 R)
• M16: 31,294,678 km (0.108 R)
• M17: 34,858,249 km (0.093 R)
• M18: 34,990,344 km (0.085 R)
• M19: 36,600,914 km (0.085 R)
• M20: 40,549,999 km (0.104 R)
• M21: 46,991,384 km (0.106 R)
• M22: 50,116,633 km (0.098 R)
• M23: 67,836,351 km (0.045 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 11,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit