🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.73 AU - 0.89 AU

Year: 273 Days

Day: 31.6 Hours

Environment

Temp: 105 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.79 AU - 2.81 AU

Year: 1307 Days

Day: 35.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.6

Radius: 10.4

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.54 AU - 7.54 AU

Year: 7000 Days

Day: 9.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,647,951 km

• M1: 129,402 km (0.11 R)
• M2: 625,170 km (0.072 R)
• M3: 1,504,207 km (0.108 R)
• M4: 1,850,675 km (0.097 R)
• M5: 2,951,416 km (0.084 R)
• M6: 4,571,561 km (0.101 R)
• M7: 4,972,783 km (0.112 R)
• M8: 7,130,583 km (0.067 R)
• M9: 9,165,712 km (0.093 R)
• M10: 9,546,289 km (0.105 R)
• M11: 12,877,086 km (0.117 R)
• M12: 13,517,065 km (0.115 R)
• M13: 19,216,894 km (0.104 R)
• M14: 22,097,251 km (0.088 R)
• M15: 24,357,226 km (0.109 R)
• M16: 24,843,419 km (0.09 R)
• M17: 26,510,837 km (0.062 R)
• M18: 27,025,304 km (0.097 R)
• M19: 27,546,503 km (0.103 R)
• M20: 27,897,609 km (0.099 R)
• M21: 29,150,043 km (0.116 R)
• M22: 32,640,460 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 12.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.93 AU - 7.95 AU

Year: 7605 Days

Day: 5.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,647,951 km

• M1: 166,203 km (0.086 R)
• M2: 869,912 km (0.087 R)
• M3: 2,281,816 km (0.035 R)
• M4: 3,018,735 km (0.096 R)
• M5: 4,862,230 km (0.077 R)
• M6: 10,308,789 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.5

Radius: 5.5

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 13.25 AU - 14.09 AU

Year: 18940 Days

Day: 20.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,647,951 km

• M1: 68,516 km (0.099 R)
• M2: 457,171 km (0.109 R)
• M3: 749,785 km (0.099 R)
• M4: 1,218,026 km (0.103 R)
• M5: 1,489,995 km (0.109 R)
• M6: 1,669,213 km (0.056 R)
• M7: 2,368,134 km (0.076 R)
• M8: 2,692,612 km (0.078 R)
• M9: 3,223,086 km (0.101 R)
• M10: 4,574,404 km (0.051 R)
• M11: 4,777,408 km (0.046 R)
• M12: 5,295,615 km (0.109 R)
• M13: 8,037,146 km (0.049 R)
• M14: 8,636,734 km (0.103 R)
• M15: 11,126,042 km (0.067 R)
• M16: 11,979,049 km (0.113 R)
• M17: 15,437,303 km (0.082 R)
• M18: 17,113,697 km (0.093 R)
• M19: 22,949,211 km (0.117 R)
• M20: 25,486,092 km (0.108 R)
• M21: 33,658,923 km (0.108 R)
• M22: 33,987,140 km (0.081 R)
• M23: 38,929,555 km (0.068 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 11,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit