🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.43 AU - 0.59 AU

Year: 137 Days

Day: 46.7 Hours

Environment

Temp: 216 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 29,730,369 km

• M1: 41,139 km (0.081 R)
• M2: 110,104 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.47 AU - 0.57 AU

Year: 141 Days

Day: 25.9 Hours

Environment

Temp: 168 °C

Axial Tilt: 49.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,730,369 km

• M1: 16,905 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.15 AU - 1.15 AU

Year: 465 Days

Day: 27.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 29,730,369 km

• M1: 752,477 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.59 AU - 1.95 AU

Year: 887 Days

Day: 37.8 Hours

Environment

Temp: -69 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.45 AU - 4.49 AU

Year: 2980 Days

Day: 25.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,730,369 km

• M1: 565,630 km (0.086 R)
• M2: 1,735,186 km (0.107 R)

Asteroid Belt

Center: 5.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 9.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.52 AU - 9.04 AU

Year: 7400 Days

Day: 5.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,730,369 km

• M1: 120,127 km (0.077 R)
• M2: 718,219 km (0.067 R)
• M3: 1,199,326 km (0.114 R)
• M4: 1,792,482 km (0.114 R)
• M5: 3,773,307 km (0.119 R)
• M6: 4,701,562 km (0.093 R)
• M7: 5,016,017 km (0.075 R)
• M8: 5,687,113 km (0.049 R)
• M9: 6,105,538 km (0.073 R)
• M10: 7,380,561 km (0.034 R)
• M11: 7,842,668 km (0.1 R)
• M12: 11,589,048 km (0.103 R)
• M13: 16,029,711 km (0.06 R)
• M14: 19,150,023 km (0.116 R)
• M15: 19,819,474 km (0.056 R)
• M16: 20,435,219 km (0.108 R)
• M17: 21,921,324 km (0.103 R)
• M18: 25,506,587 km (0.064 R)
• M19: 26,398,788 km (0.063 R)
• M20: 28,503,929 km (0.109 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: 228 - 15,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit