🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.8

Radius: 10.7

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.06 AU - 1.44 AU

Year: 917 Days

Day: 5.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,977,494 km

• M1: 133,441 km (0.098 R)
• M2: 468,541 km (0.033 R)
• M3: 938,427 km (0.087 R)
• M4: 4,215,967 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 10.4

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.76 AU - 2.06 AU

Year: 1732 Days

Day: 11.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,977,494 km

• M1: 129,402 km (0.1 R)
• M2: 580,739 km (0.065 R)
• M3: 960,718 km (0.101 R)
• M4: 1,500,766 km (0.086 R)
• M5: 1,911,861 km (0.101 R)
• M6: 2,247,409 km (0.101 R)
• M7: 2,747,664 km (0.118 R)
• M8: 3,636,425 km (0.119 R)
• M9: 4,176,025 km (0.11 R)
• M10: 4,977,869 km (0.075 R)
• M11: 5,460,921 km (0.078 R)
• M12: 6,269,048 km (0.095 R)
• M13: 9,109,463 km (0.041 R)
• M14: 11,888,992 km (0.042 R)
• M15: 14,741,673 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876

Radius: 13.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.48 AU - 5.14 AU

Year: 5870 Days

Day: 14.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,977,494 km

• M1: 167,699 km (0.085 R)
• M2: 766,240 km (0.067 R)
• M3: 2,003,415 km (0.111 R)
• M4: 3,051,049 km (0.062 R)
• M5: 3,791,408 km (0.078 R)
• M6: 5,181,771 km (0.092 R)
• M7: 6,713,204 km (0.111 R)
• M8: 7,659,561 km (0.097 R)
• M9: 9,549,430 km (0.075 R)
• M10: 11,380,957 km (0.056 R)
• M11: 18,408,616 km (0.089 R)
• M12: 23,910,078 km (0.068 R)
• M13: 30,709,451 km (0.063 R)
• M14: 34,338,994 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.4

Radius: 3.3

Gravity: 45.77 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.45 AU - 8.23 AU

Year: 14401 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,977,494 km

• M1: 41,439 km (0.104 R)
• M2: 388,805 km (0.072 R)
• M3: 1,075,010 km (0.089 R)
• M4: 2,647,134 km (0.062 R)
• M5: 3,663,502 km (0.1 R)
• M6: 4,563,034 km (0.111 R)
• M7: 5,781,210 km (0.091 R)
• M8: 8,453,476 km (0.082 R)
• M9: 13,909,012 km (0.099 R)
• M10: 14,509,946 km (0.109 R)
• M11: 15,267,659 km (0.112 R)
• M12: 17,314,757 km (0.092 R)
• M13: 18,009,788 km (0.025 R)
• M14: 21,324,578 km (0.105 R)
• M15: 24,732,567 km (0.117 R)
• M16: 26,819,457 km (0.111 R)
• M17: 29,890,103 km (0.042 R)
• M18: 30,000,058 km (0.084 R)
• M19: 50,959,467 km (0.1 R)
• M20: 51,430,850 km (0.113 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: 353 - 20,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit