🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.6

Radius: 10.6

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.75 AU - 0.81 AU

Year: 452 Days

Day: 5.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,318,770 km

• M1: 131,796 km (0.104 R)
• M2: 1,039,406 km (0.099 R)
• M3: 1,565,542 km (0.069 R)
• M4: 1,935,497 km (0.114 R)
• M5: 2,914,765 km (0.045 R)
• M6: 3,768,370 km (0.118 R)
• M7: 4,108,406 km (0.093 R)
• M8: 4,442,458 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.2

Radius: 11

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.86 AU - 1.36 AU

Year: 767 Days

Day: 5.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,318,770 km

• M1: 136,732 km (0.089 R)
• M2: 488,287 km (0.067 R)
• M3: 879,486 km (0.109 R)
• M4: 1,450,651 km (0.061 R)
• M5: 2,466,869 km (0.082 R)
• M6: 2,851,934 km (0.086 R)
• M7: 3,330,049 km (0.049 R)
• M8: 3,687,588 km (0.035 R)
• M9: 4,529,973 km (0.113 R)
• M10: 5,005,694 km (0.059 R)
• M11: 6,178,841 km (0.105 R)
• M12: 6,808,349 km (0.091 R)
• M13: 7,319,674 km (0.119 R)
• M14: 8,269,920 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.2

Radius: 11.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.93 AU - 2.53 AU

Year: 2185 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,318,770 km

• M1: 139,276 km (0.079 R)
• M2: 1,205,310 km (0.071 R)
• M3: 1,776,924 km (0.045 R)
• M4: 2,331,333 km (0.053 R)
• M5: 3,043,419 km (0.066 R)
• M6: 3,533,502 km (0.094 R)
• M7: 5,970,900 km (0.09 R)
• M8: 6,537,277 km (0.118 R)
• M9: 8,484,144 km (0.101 R)
• M10: 8,915,734 km (0.087 R)
• M11: 9,957,384 km (0.115 R)
• M12: 12,088,106 km (0.116 R)
• M13: 13,036,258 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.1

Radius: 13

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.99 AU - 4.59 AU

Year: 4840 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,318,770 km

• M1: 162,014 km (0.05 R)
• M2: 585,227 km (0.044 R)
• M3: 1,579,454 km (0.076 R)
• M4: 2,447,720 km (0.111 R)
• M5: 2,872,130 km (0.071 R)
• M6: 3,571,051 km (0.085 R)
• M7: 4,237,808 km (0.082 R)
• M8: 5,618,447 km (0.04 R)
• M9: 6,586,345 km (0.071 R)
• M10: 7,144,346 km (0.106 R)
• M11: 9,533,274 km (0.094 R)
• M12: 10,378,352 km (0.064 R)
• M13: 13,421,023 km (0.099 R)
• M14: 13,945,065 km (0.112 R)
• M15: 14,646,679 km (0.097 R)
• M16: 15,887,593 km (0.098 R)
• M17: 16,593,396 km (0.034 R)
• M18: 17,381,627 km (0.109 R)
• M19: 17,816,209 km (0.115 R)
• M20: 21,417,179 km (0.117 R)
• M21: 22,791,984 km (0.114 R)
• M22: 27,020,218 km (0.12 R)
• M23: 28,710,674 km (0.11 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: 254 - 17,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit