🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.4

Radius: 13.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.12 AU - 1.24 AU

Year: 855 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,099,917 km

• M1: 172,935 km (0.094 R)
• M2: 646,263 km (0.081 R)
• M3: 1,152,502 km (0.103 R)
• M4: 1,619,846 km (0.049 R)
• M5: 2,245,314 km (0.082 R)
• M6: 3,041,175 km (0.081 R)
• M7: 3,539,635 km (0.114 R)
• M8: 4,445,450 km (0.092 R)
• M9: 4,886,016 km (0.092 R)
• M10: 5,574,316 km (0.097 R)
• M11: 6,407,426 km (0.108 R)
• M12: 7,015,093 km (0.102 R)
• M13: 7,615,130 km (0.073 R)
• M14: 8,057,940 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 13.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.71 AU - 1.71 AU

Year: 1491 Days

Day: 12.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,099,917 km

• M1: 166,652 km (0.106 R)
• M2: 828,174 km (0.104 R)
• M3: 1,554,920 km (0.107 R)
• M4: 2,106,039 km (0.097 R)
• M5: 4,881,678 km (0.117 R)
• M6: 7,101,860 km (0.103 R)
• M7: 8,405,904 km (0.101 R)
• M8: 8,904,215 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 8.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.65 AU - 2.33 AU

Year: 1872 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,099,917 km

• M1: 109,506 km (0.099 R)
• M2: 901,626 km (0.068 R)
• M3: 1,255,126 km (0.108 R)
• M4: 1,632,113 km (0.044 R)
• M5: 1,995,785 km (0.093 R)
• M6: 2,832,486 km (0.114 R)
• M7: 3,386,447 km (0.104 R)
• M8: 3,996,956 km (0.038 R)
• M9: 4,284,483 km (0.084 R)
• M10: 4,982,507 km (0.114 R)
• M11: 5,972,845 km (0.098 R)
• M12: 6,802,963 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.9

Radius: 8.6

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.4 AU - 3.64 AU

Year: 4404 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,099,917 km

• M1: 109,356 km (0.114 R)
• M2: 589,715 km (0.067 R)
• M3: 1,009,038 km (0.114 R)
• M4: 1,382,284 km (0.115 R)
• M5: 1,700,778 km (0.082 R)
• M6: 2,001,320 km (0.043 R)
• M7: 2,711,013 km (0.095 R)
• M8: 3,365,055 km (0.049 R)
• M9: 3,658,715 km (0.096 R)
• M10: 3,927,094 km (0.114 R)
• M11: 4,716,073 km (0.094 R)
• M12: 7,067,751 km (0.11 R)
• M13: 7,852,542 km (0.026 R)
• M14: 9,633,654 km (0.075 R)
• M15: 10,027,844 km (0.107 R)
• M16: 11,492,856 km (0.117 R)
• M17: 16,125,304 km (0.115 R)
• M18: 16,513,361 km (0.113 R)
• M19: 18,426,867 km (0.076 R)
• M20: 19,219,736 km (0.108 R)
• M21: 22,688,911 km (0.095 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: 190 - 15,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit