🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.75 AU - 1.07 AU

Year: 304 Days

Day: 21.6 Hours

Environment

Temp: 118 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.01 AU - 1.55 AU

Year: 507 Days

Day: 26.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.75 AU - 2.09 AU

Year: 931 Days

Day: 39.6 Hours

Environment

Temp: -50 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.36 AU - 3.46 AU

Year: 1737 Days

Day: 17.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 118.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,123,610 km

• M1: 963,410 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.79 AU - 3.51 AU

Year: 1956 Days

Day: 14.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.07 AU - 5.53 AU

Year: 3679 Days

Day: 26.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,123,610 km

• M1: 1,104,930 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 9.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.16 AU - 7.54 AU

Year: 5598 Days

Day: 11.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,123,610 km

• M1: 113,246 km (0.093 R)
• M2: 450,290 km (0.115 R)
• M3: 735,423 km (0.045 R)
• M4: 1,523,355 km (0.062 R)
• M5: 2,192,506 km (0.096 R)
• M6: 2,875,720 km (0.084 R)
• M7: 3,222,039 km (0.065 R)
• M8: 4,147,451 km (0.106 R)
• M9: 4,614,197 km (0.091 R)
• M10: 5,574,017 km (0.073 R)
• M11: 7,950,828 km (0.092 R)
• M12: 8,922,316 km (0.08 R)
• M13: 10,048,788 km (0.091 R)
• M14: 10,605,741 km (0.106 R)
• M15: 12,400,915 km (0.107 R)
• M16: 12,856,441 km (0.092 R)
• M17: 13,323,186 km (0.102 R)
• M18: 19,411,969 km (0.105 R)
• M19: 22,014,224 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.1

Radius: 12.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.56 AU - 7.98 AU

Year: 6858 Days

Day: 5 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,123,610 km

• M1: 157,227 km (0.11 R)
• M2: 604,675 km (0.078 R)
• M3: 1,291,778 km (0.105 R)
• M4: 2,136,557 km (0.071 R)
• M5: 2,637,859 km (0.07 R)
• M6: 3,343,064 km (0.086 R)
• M7: 4,023,734 km (0.103 R)
• M8: 5,724,063 km (0.096 R)
• M9: 7,522,230 km (0.114 R)
• M10: 10,673,509 km (0.115 R)
• M11: 13,153,692 km (0.055 R)
• M12: 13,647,963 km (0.039 R)
• M13: 14,268,795 km (0.084 R)
• M14: 20,078,129 km (0.11 R)
• M15: 34,394,495 km (0.026 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 14,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit