🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.14 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.83 AU - 2.71 AU

Year: 1288 Days

Day: 31.9 Hours

Environment

Temp: -79 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.32 AU - 2.62 AU

Year: 1462 Days

Day: 21.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.3 AU - 4.18 AU

Year: 2725 Days

Day: 41 Hours

Environment

Temp: -130 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 8.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.85 AU - 4.99 AU

Year: 4111 Days

Day: 14.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,685,081 km

• M1: 102,475 km (0.105 R)
• M2: 475,871 km (0.108 R)
• M3: 771,027 km (0.091 R)
• M4: 1,233,734 km (0.05 R)
• M5: 2,065,199 km (0.099 R)
• M6: 2,683,337 km (0.117 R)
• M7: 3,228,023 km (0.061 R)
• M8: 3,599,923 km (0.074 R)
• M9: 3,863,664 km (0.113 R)
• M10: 4,645,313 km (0.103 R)
• M11: 5,073,761 km (0.088 R)
• M12: 7,115,024 km (0.077 R)
• M13: 9,052,766 km (0.076 R)
• M14: 10,050,434 km (0.091 R)
• M15: 10,499,676 km (0.062 R)
• M16: 11,722,639 km (0.052 R)
• M17: 12,732,574 km (0.092 R)
• M18: 16,725,491 km (0.043 R)
• M19: 17,678,280 km (0.038 R)
• M20: 18,167,913 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 11.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.15 AU - 11.69 AU

Year: 12671 Days

Day: 9.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,685,081 km

• M1: 141,819 km (0.092 R)
• M2: 503,846 km (0.096 R)
• M3: 970,292 km (0.118 R)
• M4: 1,559,707 km (0.053 R)
• M5: 1,998,777 km (0.09 R)
• M6: 2,520,126 km (0.074 R)
• M7: 2,965,030 km (0.086 R)
• M8: 3,605,458 km (0.065 R)
• M9: 4,014,608 km (0.102 R)
• M10: 4,749,284 km (0.112 R)
• M11: 5,460,472 km (0.119 R)
• M12: 6,210,855 km (0.103 R)
• M13: 7,917,318 km (0.088 R)
• M14: 8,764,191 km (0.082 R)
• M15: 9,629,615 km (0.118 R)
• M16: 11,348,345 km (0.087 R)
• M17: 15,217,395 km (0.103 R)
• M18: 18,341,746 km (0.029 R)
• M19: 19,493,500 km (0.053 R)
• M20: 20,557,291 km (0.115 R)
• M21: 24,358,273 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 15,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit