🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.62 AU - 0.68 AU

Year: 338 Days

Day: 44.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.2

Radius: 10.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.63 AU - 0.77 AU

Year: 378 Days

Day: 14.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 23,229,261 km

• M1: 139,276 km (0.09 R)
• M2: 632,949 km (0.105 R)
• M3: 1,617,452 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 14.3

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.83 AU - 1.23 AU

Year: 675 Days

Day: 9.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,229,261 km

• M1: 177,872 km (0.029 R)
• M2: 687,253 km (0.106 R)
• M3: 1,156,242 km (0.105 R)
• M4: 1,849,927 km (0.075 R)
• M5: 2,303,807 km (0.079 R)
• M6: 2,749,758 km (0.108 R)
• M7: 3,833,296 km (0.115 R)
• M8: 4,672,839 km (0.043 R)
• M9: 5,513,579 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 12.2

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.68 AU - 2.7 AU

Year: 2093 Days

Day: 9.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,229,261 km

• M1: 151,842 km (0.102 R)
• M2: 1,354,160 km (0.105 R)
• M3: 2,580,862 km (0.114 R)
• M4: 3,775,401 km (0.075 R)
• M5: 5,572,670 km (0.069 R)
• M6: 6,127,080 km (0.112 R)
• M7: 7,599,123 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 13.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.24 AU - 3.42 AU

Year: 3074 Days

Day: 8.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,229,261 km

• M1: 166,652 km (0.111 R)
• M2: 600,635 km (0.113 R)
• M3: 1,269,787 km (0.119 R)
• M4: 2,051,884 km (0.043 R)
• M5: 2,863,303 km (0.094 R)
• M6: 3,335,135 km (0.118 R)
• M7: 4,238,556 km (0.088 R)
• M8: 6,240,774 km (0.093 R)
• M9: 7,354,531 km (0.09 R)
• M10: 9,361,386 km (0.083 R)
• M11: 9,857,303 km (0.079 R)
• M12: 10,491,747 km (0.119 R)
• M13: 11,624,054 km (0.118 R)
• M14: 14,329,980 km (0.064 R)
• M15: 14,989,856 km (0.094 R)
• M16: 16,480,001 km (0.072 R)
• M17: 17,204,503 km (0.044 R)
• M18: 20,253,757 km (0.094 R)
• M19: 20,762,838 km (0.113 R)
• M20: 21,215,222 km (0.064 R)
• M21: 22,953,549 km (0.088 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 19,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit