🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 10.6

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.68 AU - 0.9 AU

Year: 476 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,247,020 km

• M1: 131,796 km (0.109 R)
• M2: 503,696 km (0.112 R)
• M3: 927,058 km (0.078 R)
• M4: 1,357,900 km (0.112 R)
• M5: 1,769,144 km (0.069 R)
• M6: 2,180,987 km (0.118 R)
• M7: 3,320,624 km (0.082 R)
• M8: 3,685,792 km (0.105 R)
• M9: 4,022,088 km (0.12 R)
• M10: 4,452,930 km (0.096 R)
• M11: 5,510,138 km (0.097 R)
• M12: 6,416,851 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.3

Radius: 14.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.95 AU - 1.11 AU

Year: 709 Days

Day: 6.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,247,020 km

• M1: 176,525 km (0.116 R)
• M2: 745,297 km (0.106 R)
• M3: 1,241,962 km (0.098 R)
• M4: 2,026,303 km (0.108 R)
• M5: 2,624,994 km (0.091 R)
• M6: 3,568,059 km (0.092 R)
• M7: 4,374,541 km (0.108 R)
• M8: 4,869,710 km (0.062 R)
• M9: 5,827,286 km (0.096 R)
• M10: 7,071,791 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.2

Radius: 12.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.18 AU - 1.34 AU

Year: 959 Days

Day: 5.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,247,020 km

• M1: 159,322 km (0.049 R)
• M2: 611,556 km (0.06 R)
• M3: 1,220,120 km (0.105 R)
• M4: 1,703,172 km (0.086 R)
• M5: 2,666,133 km (0.098 R)
• M6: 3,424,295 km (0.049 R)
• M7: 5,196,880 km (0.072 R)
• M8: 5,626,825 km (0.044 R)
• M9: 6,716,047 km (0.089 R)
• M10: 7,864,958 km (0.081 R)
• M11: 8,891,798 km (0.063 R)
• M12: 9,509,338 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 11.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.82 AU - 2.34 AU

Year: 2035 Days

Day: 12.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,247,020 km

• M1: 139,575 km (0.115 R)
• M2: 512,672 km (0.052 R)
• M3: 963,261 km (0.089 R)
• M4: 1,512,434 km (0.037 R)
• M5: 1,860,698 km (0.101 R)
• M6: 2,336,120 km (0.112 R)
• M7: 2,779,528 km (0.117 R)
• M8: 3,768,670 km (0.119 R)
• M9: 4,753,622 km (0.114 R)
• M10: 5,296,064 km (0.048 R)
• M11: 6,210,855 km (0.064 R)
• M12: 6,579,913 km (0.114 R)
• M13: 7,094,978 km (0.112 R)
• M14: 8,032,209 km (0.101 R)
• M15: 8,621,026 km (0.073 R)
• M16: 9,081,339 km (0.057 R)
• M17: 9,884,979 km (0.09 R)
• M18: 10,423,830 km (0.069 R)
• M19: 11,268,759 km (0.109 R)
• M20: 13,580,644 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 13,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit