🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434

Radius: 11.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.63 AU - 0.99 AU

Year: 478 Days

Day: 10.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,237,419 km

• M1: 140,622 km (0.089 R)
• M2: 496,815 km (0.084 R)
• M3: 870,660 km (0.071 R)
• M4: 1,381,536 km (0.06 R)
• M5: 1,751,043 km (0.094 R)
• M6: 2,120,849 km (0.027 R)
• M7: 2,487,513 km (0.035 R)
• M8: 2,990,162 km (0.058 R)
• M9: 3,489,370 km (0.115 R)
• M10: 4,241,399 km (0.09 R)
• M11: 4,727,891 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.4

Radius: 12.3

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.04 AU - 3.04 AU

Year: 2656 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,237,419 km

• M1: 153,039 km (0.117 R)
• M2: 687,701 km (0.107 R)
• M3: 1,301,950 km (0.068 R)
• M4: 1,987,557 km (0.113 R)
• M5: 3,230,267 km (0.11 R)
• M6: 4,161,065 km (0.049 R)
• M7: 4,667,753 km (0.054 R)
• M8: 7,477,650 km (0.041 R)
• M9: 8,392,291 km (0.071 R)
• M10: 9,994,185 km (0.106 R)
• M11: 10,519,872 km (0.107 R)
• M12: 12,679,616 km (0.101 R)
• M13: 13,794,719 km (0.067 R)
• M14: 15,864,256 km (0.063 R)
• M15: 17,158,577 km (0.105 R)
• M16: 18,188,408 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.5

Radius: 10.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.98 AU - 3.2 AU

Year: 2734 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,237,419 km

• M1: 130,150 km (0.098 R)
• M2: 550,071 km (0.106 R)
• M3: 1,544,448 km (0.044 R)
• M4: 1,878,052 km (0.068 R)
• M5: 2,606,444 km (0.075 R)
• M6: 3,460,049 km (0.075 R)
• M7: 4,059,637 km (0.103 R)
• M8: 5,442,520 km (0.119 R)
• M9: 6,307,944 km (0.081 R)
• M10: 6,858,464 km (0.059 R)
• M11: 8,119,125 km (0.099 R)
• M12: 9,247,841 km (0.04 R)
• M13: 10,142,436 km (0.099 R)
• M14: 12,061,628 km (0.096 R)
• M15: 13,438,826 km (0.112 R)
• M16: 14,397,897 km (0.074 R)
• M17: 15,014,091 km (0.101 R)
• M18: 15,896,120 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519

Radius: 11.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.62 AU - 4.2 AU

Year: 4131 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,237,419 km

• M1: 143,165 km (0.03 R)
• M2: 606,769 km (0.099 R)
• M3: 977,772 km (0.054 R)
• M4: 1,423,873 km (0.057 R)
• M5: 2,112,621 km (0.09 R)
• M6: 2,644,591 km (0.051 R)
• M7: 3,530,809 km (0.116 R)
• M8: 3,916,023 km (0.096 R)
• M9: 4,819,894 km (0.06 R)
• M10: 8,621,774 km (0.09 R)
• M11: 9,173,790 km (0.038 R)
• M12: 9,593,412 km (0.119 R)
• M13: 10,226,810 km (0.093 R)
• M14: 11,445,583 km (0.035 R)
• M15: 12,158,417 km (0.11 R)
• M16: 14,322,051 km (0.111 R)
• M17: 17,243,548 km (0.084 R)
• M18: 17,943,068 km (0.118 R)
• M19: 19,089,137 km (0.103 R)
• M20: 19,523,569 km (0.066 R)
• M21: 23,029,395 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 18,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit