🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.8

Radius: 10.3

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.66 AU - 0.68 AU

Year: 372 Days

Day: 9.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,606,842 km

• M1: 128,355 km (0.077 R)
• M2: 510,129 km (0.099 R)
• M3: 884,871 km (0.104 R)
• M4: 1,249,741 km (0.118 R)
• M5: 1,758,523 km (0.117 R)
• M6: 2,171,413 km (0.088 R)
• M7: 2,546,006 km (0.119 R)
• M8: 3,227,574 km (0.059 R)
• M9: 3,766,725 km (0.111 R)
• M10: 4,090,155 km (0.102 R)
• M11: 5,040,251 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.4

Radius: 13.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.96 AU - 1.56 AU

Year: 959 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 179.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,606,842 km

• M1: 171,140 km (0.116 R)
• M2: 708,346 km (0.111 R)
• M3: 1,312,871 km (0.091 R)
• M4: 1,881,343 km (0.098 R)
• M5: 2,343,451 km (0.047 R)
• M6: 3,467,679 km (0.091 R)
• M7: 5,454,638 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.1

Radius: 10.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.99 AU - 1.65 AU

Year: 1029 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,606,842 km

• M1: 125,662 km (0.084 R)
• M2: 492,327 km (0.066 R)
• M3: 879,187 km (0.059 R)
• M4: 1,227,002 km (0.03 R)
• M5: 1,556,117 km (0.042 R)
• M6: 1,899,893 km (0.079 R)
• M7: 2,335,971 km (0.092 R)
• M8: 2,651,921 km (0.118 R)
• M9: 3,466,033 km (0.082 R)
• M10: 3,820,580 km (0.114 R)
• M11: 4,246,635 km (0.05 R)
• M12: 4,738,064 km (0.061 R)
• M13: 5,303,693 km (0.099 R)
• M14: 6,277,127 km (0.102 R)
• M15: 8,223,844 km (0.109 R)
• M16: 8,549,668 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.3

Radius: 12.7

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.38 AU - 1.82 AU

Year: 1373 Days

Day: 9.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 19,606,842 km

• M1: 160,967 km (0.041 R)
• M2: 703,708 km (0.086 R)
• M3: 1,445,115 km (0.092 R)
• M4: 2,020,469 km (0.051 R)
• M5: 2,419,596 km (0.106 R)
• M6: 4,869,560 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 9.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.91 AU - 5.23 AU

Year: 7743 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,606,842 km

• M1: 119,977 km (0.093 R)
• M2: 677,828 km (0.089 R)
• M3: 1,074,861 km (0.096 R)
• M4: 2,288,099 km (0.073 R)
• M5: 3,120,312 km (0.11 R)
• M6: 5,850,324 km (0.12 R)
• M7: 7,700,401 km (0.053 R)
• M8: 8,112,543 km (0.069 R)
• M9: 8,981,407 km (0.059 R)
• M10: 11,022,222 km (0.093 R)
• M11: 14,563,802 km (0.095 R)
• M12: 16,253,809 km (0.072 R)
• M13: 17,850,168 km (0.09 R)
• M14: 18,913,659 km (0.032 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 19,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit