🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.51 AU - 0.77 AU

Year: 194 Days

Day: 40.7 Hours

Environment

Temp: 168 °C

Axial Tilt: 48.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.68 AU - 0.68 AU

Year: 212 Days

Day: 19 Hours

Environment

Temp: 108 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.42 AU - 1.58 AU

Year: 696 Days

Day: 20.3 Hours

Environment

Temp: -55 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845

Radius: 10.7

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.59 AU - 6.35 AU

Year: 5525 Days

Day: 12.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,305,787 km

• M1: 133,890 km (0.074 R)
• M2: 819,348 km (0.103 R)
• M3: 2,210,009 km (0.063 R)
• M4: 2,742,727 km (0.093 R)
• M5: 3,171,475 km (0.05 R)
• M6: 3,805,022 km (0.091 R)
• M7: 4,315,001 km (0.092 R)
• M8: 5,037,260 km (0.113 R)
• M9: 5,412,900 km (0.072 R)
• M10: 6,091,326 km (0.074 R)
• M11: 6,518,428 km (0.09 R)
• M12: 8,036,398 km (0.11 R)
• M13: 8,713,478 km (0.101 R)
• M14: 10,136,004 km (0.08 R)
• M15: 10,503,117 km (0.111 R)
• M16: 11,215,352 km (0.082 R)
• M17: 11,757,794 km (0.082 R)
• M18: 12,266,128 km (0.103 R)
• M19: 12,683,207 km (0.084 R)
• M20: 14,505,159 km (0.104 R)
• M21: 19,143,740 km (0.097 R)
• M22: 19,493,650 km (0.067 R)
• M23: 22,217,079 km (0.1 R)
• M24: 22,994,539 km (0.108 R)
• M25: 24,934,674 km (0.039 R)
• M26: 26,632,909 km (0.098 R)
• M27: 27,688,023 km (0.091 R)
• M28: 33,588,163 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.91 AU - 11.45 AU

Year: 12302 Days

Day: 13.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,305,787 km

• M1: 99,632 km (0.087 R)
• M2: 434,432 km (0.118 R)
• M3: 755,469 km (0.105 R)
• M4: 1,043,595 km (0.119 R)
• M5: 2,120,999 km (0.077 R)
• M6: 2,797,331 km (0.069 R)
• M7: 4,036,151 km (0.111 R)
• M8: 4,445,450 km (0.08 R)
• M9: 5,693,545 km (0.12 R)
• M10: 6,888,533 km (0.115 R)
• M11: 7,194,461 km (0.092 R)
• M12: 7,797,340 km (0.089 R)
• M13: 13,569,873 km (0.062 R)
• M14: 16,937,770 km (0.077 R)
• M15: 25,268,576 km (0.051 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 10,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit