🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.54 AU - 0.62 AU

Year: 285 Days

Day: 38.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,391,285 km

• M1: 55,950 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.3

Radius: 8.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.79 AU - 1.11 AU

Year: 598 Days

Day: 14 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,391,285 km

• M1: 100,829 km (0.087 R)
• M2: 517,609 km (0.095 R)
• M3: 799,451 km (0.109 R)
• M4: 1,124,826 km (0.079 R)
• M5: 1,558,959 km (0.108 R)
• M6: 1,823,448 km (0.109 R)
• M7: 2,259,227 km (0.096 R)
• M8: 3,339,623 km (0.093 R)
• M9: 3,967,336 km (0.088 R)
• M10: 4,451,883 km (0.096 R)
• M11: 4,898,133 km (0.103 R)
• M12: 5,292,473 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.1

Radius: 11.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.25 AU - 3.79 AU

Year: 4264 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,391,285 km

• M1: 140,622 km (0.077 R)
• M2: 535,560 km (0.105 R)
• M3: 1,092,364 km (0.082 R)
• M4: 2,707,123 km (0.117 R)
• M5: 3,941,156 km (0.063 R)
• M6: 4,511,423 km (0.09 R)
• M7: 7,571,298 km (0.111 R)
• M8: 9,300,051 km (0.119 R)
• M9: 10,615,315 km (0.09 R)
• M10: 12,009,268 km (0.036 R)
• M11: 12,642,815 km (0.113 R)
• M12: 13,432,094 km (0.086 R)
• M13: 13,839,000 km (0.082 R)
• M14: 15,698,053 km (0.115 R)
• M15: 16,713,523 km (0.099 R)
• M16: 17,184,457 km (0.051 R)
• M17: 18,650,815 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610

Radius: 9.6

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.91 AU - 4.01 AU

Year: 5088 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,391,285 km

• M1: 130,300 km (0.066 R)
• M2: 452,833 km (0.061 R)
• M3: 999,912 km (0.105 R)
• M4: 1,496,577 km (0.117 R)
• M5: 1,992,793 km (0.118 R)
• M6: 2,751,404 km (0.07 R)
• M7: 3,376,873 km (0.038 R)
• M8: 3,712,870 km (0.084 R)
• M9: 4,048,268 km (0.045 R)
• M10: 4,884,071 km (0.061 R)
• M11: 5,830,727 km (0.111 R)
• M12: 6,192,604 km (0.059 R)
• M13: 6,763,619 km (0.108 R)
• M14: 7,543,772 km (0.043 R)
• M15: 7,974,165 km (0.078 R)
• M16: 8,420,715 km (0.108 R)
• M17: 9,081,937 km (0.099 R)
• M18: 10,507,904 km (0.051 R)
• M19: 11,228,218 km (0.098 R)
• M20: 12,567,568 km (0.047 R)
• M21: 14,117,551 km (0.12 R)
• M22: 15,332,585 km (0.1 R)
• M23: 15,791,252 km (0.102 R)
• M24: 16,856,688 km (0.04 R)
• M25: 17,530,926 km (0.106 R)
• M26: 19,328,643 km (0.033 R)
• M27: 23,512,896 km (0.081 R)
• M28: 24,900,715 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 10,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit