🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.42 AU - 0.68 AU

Year: 263 Days

Day: 22.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.5

Radius: 14.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.71 AU - 1.07 AU

Year: 542 Days

Day: 12.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,516,768 km

• M1: 177,872 km (0.106 R)
• M2: 634,445 km (0.068 R)
• M3: 1,275,771 km (0.059 R)
• M4: 1,818,661 km (0.118 R)
• M5: 2,300,067 km (0.064 R)
• M6: 3,030,853 km (0.108 R)
• M7: 3,604,710 km (0.113 R)
• M8: 4,389,202 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 13.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.42 AU - 2.1 AU

Year: 1508 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,516,768 km

• M1: 165,455 km (0.101 R)
• M2: 625,917 km (0.055 R)
• M3: 1,189,153 km (0.116 R)
• M4: 2,202,529 km (0.069 R)
• M5: 2,981,934 km (0.06 R)
• M6: 3,849,752 km (0.096 R)
• M7: 5,110,413 km (0.081 R)
• M8: 6,157,748 km (0.09 R)
• M9: 7,020,030 km (0.096 R)
• M10: 7,760,988 km (0.055 R)
• M11: 9,496,622 km (0.063 R)
• M12: 11,257,689 km (0.092 R)
• M13: 12,665,105 km (0.062 R)
• M14: 13,227,145 km (0.103 R)
• M15: 13,722,164 km (0.082 R)
• M16: 14,749,452 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.2

Radius: 10.3

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.86 AU - 5.26 AU

Year: 6287 Days

Day: 5.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,516,768 km

• M1: 128,056 km (0.049 R)
• M2: 531,671 km (0.094 R)
• M3: 1,201,720 km (0.117 R)
• M4: 2,031,689 km (0.101 R)
• M5: 2,387,732 km (0.105 R)
• M6: 3,123,304 km (0.114 R)
• M7: 3,739,797 km (0.099 R)
• M8: 4,541,642 km (0.088 R)
• M9: 5,098,445 km (0.109 R)
• M10: 6,281,914 km (0.104 R)
• M11: 7,118,315 km (0.055 R)
• M12: 8,186,145 km (0.089 R)
• M13: 10,637,306 km (0.116 R)
• M14: 12,663,011 km (0.109 R)
• M15: 14,933,458 km (0.115 R)
• M16: 18,550,286 km (0.1 R)
• M17: 19,754,399 km (0.081 R)
• M18: 20,486,680 km (0.063 R)
• M19: 20,934,726 km (0.102 R)
• M20: 22,792,283 km (0.061 R)
• M21: 29,209,134 km (0.059 R)
• M22: 31,524,310 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 14,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit