🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.65 AU - 2.71 AU

Year: 1147 Days

Day: 35.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.04 AU - 2.64 AU

Year: 1276 Days

Day: 39.3 Hours

Environment

Temp: -73 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,218,593 km

• M1: 1,584,989 km (0.114 R)

Asteroid Belt

Center: 4.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 15

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.65 AU - 6.85 AU

Year: 5569 Days

Day: 13.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,218,593 km

• M1: 186,549 km (0.031 R)
• M2: 777,011 km (0.111 R)
• M3: 1,360,892 km (0.092 R)
• M4: 2,286,903 km (0.111 R)
• M5: 2,827,998 km (0.083 R)
• M6: 4,031,812 km (0.093 R)
• M7: 5,467,653 km (0.064 R)
• M8: 5,974,490 km (0.107 R)
• M9: 6,743,872 km (0.106 R)
• M10: 9,163,169 km (0.089 R)
• M11: 9,968,454 km (0.069 R)
• M12: 10,637,306 km (0.107 R)
• M13: 11,146,537 km (0.053 R)
• M14: 11,623,755 km (0.065 R)
• M15: 12,415,726 km (0.096 R)
• M16: 14,162,730 km (0.058 R)
• M17: 15,769,411 km (0.026 R)
• M18: 16,678,667 km (0.095 R)
• M19: 17,177,875 km (0.083 R)
• M20: 23,039,119 km (0.06 R)
• M21: 24,210,171 km (0.049 R)
• M22: 25,915,886 km (0.103 R)
• M23: 28,667,290 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.6

Radius: 3.1

Gravity: 20.77 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 16.89 AU - 22.17 AU

Year: 30764 Days

Day: 18.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,218,593 km

• M1: 49,666 km (0.117 R)
• M2: 324,179 km (0.084 R)
• M3: 470,784 km (0.037 R)
• M4: 687,701 km (0.109 R)
• M5: 1,944,623 km (0.109 R)
• M6: 4,668,650 km (0.085 R)
• M7: 7,192,965 km (0.077 R)
• M8: 8,285,777 km (0.063 R)
• M9: 10,040,111 km (0.113 R)
• M10: 10,499,826 km (0.109 R)
• M11: 13,835,858 km (0.065 R)
• M12: 14,189,657 km (0.096 R)
• M13: 14,332,822 km (0.065 R)
• M14: 16,677,171 km (0.09 R)
• M15: 16,997,160 km (0.081 R)
• M16: 22,300,255 km (0.111 R)
• M17: 22,982,721 km (0.077 R)
• M18: 40,571,691 km (0.12 R)
• M19: 47,079,796 km (0.102 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 18,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit