🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 8.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.92 AU - 1.5 AU

Year: 888 Days

Day: 10.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,359,309 km

• M1: 103,372 km (0.096 R)
• M2: 389,104 km (0.107 R)
• M3: 684,261 km (0.042 R)
• M4: 1,016,817 km (0.089 R)
• M5: 1,322,595 km (0.111 R)
• M6: 1,629,121 km (0.076 R)
• M7: 2,197,294 km (0.109 R)
• M8: 2,487,065 km (0.112 R)
• M9: 3,121,060 km (0.067 R)
• M10: 3,400,659 km (0.089 R)
• M11: 3,844,665 km (0.066 R)
• M12: 4,446,049 km (0.06 R)
• M13: 4,785,337 km (0.061 R)
• M14: 5,603,487 km (0.103 R)
• M15: 6,280,567 km (0.104 R)
• M16: 6,609,533 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 10.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.34 AU - 1.72 AU

Year: 1262 Days

Day: 7.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,359,309 km

• M1: 131,646 km (0.076 R)
• M2: 560,992 km (0.119 R)
• M3: 924,216 km (0.094 R)
• M4: 1,893,909 km (0.098 R)
• M5: 2,679,896 km (0.115 R)
• M6: 3,050,151 km (0.058 R)
• M7: 3,685,044 km (0.114 R)
• M8: 4,489,283 km (0.109 R)
• M9: 7,829,653 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.2

Radius: 11.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.78 AU - 2.68 AU

Year: 2221 Days

Day: 9.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,359,309 km

• M1: 145,708 km (0.11 R)
• M2: 648,058 km (0.035 R)
• M3: 1,322,744 km (0.078 R)
• M4: 1,967,810 km (0.112 R)
• M5: 2,521,023 km (0.118 R)
• M6: 3,762,087 km (0.078 R)
• M7: 4,242,745 km (0.115 R)
• M8: 5,216,627 km (0.041 R)
• M9: 5,580,449 km (0.072 R)
• M10: 6,617,013 km (0.066 R)
• M11: 7,264,622 km (0.096 R)
• M12: 7,661,505 km (0.027 R)
• M13: 9,134,296 km (0.102 R)
• M14: 9,766,647 km (0.111 R)
• M15: 12,113,538 km (0.095 R)
• M16: 12,795,255 km (0.046 R)
• M17: 14,456,241 km (0.048 R)
• M18: 15,361,757 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.6

Radius: 13.3

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.77 AU - 2.85 AU

Year: 2341 Days

Day: 7.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 92.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,359,309 km

• M1: 165,455 km (0.102 R)
• M2: 699,819 km (0.071 R)
• M3: 1,139,337 km (0.09 R)
• M4: 1,567,337 km (0.069 R)
• M5: 2,143,887 km (0.04 R)
• M6: 3,452,420 km (0.081 R)
• M7: 4,064,873 km (0.038 R)
• M8: 5,071,966 km (0.075 R)
• M9: 5,840,151 km (0.086 R)
• M10: 6,713,055 km (0.088 R)
• M11: 7,640,113 km (0.041 R)
• M12: 8,282,337 km (0.108 R)
• M13: 9,206,103 km (0.084 R)
• M14: 10,660,494 km (0.106 R)
• M15: 13,647,365 km (0.104 R)
• M16: 14,162,879 km (0.076 R)
• M17: 16,938,069 km (0.11 R)
• M18: 18,255,877 km (0.044 R)
• M19: 19,230,058 km (0.094 R)
• M20: 19,938,255 km (0.032 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 20,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit