🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.4

Radius: 12.3

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.75 AU - 1.21 AU

Year: 658 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,662,080 km

• M1: 153,039 km (0.059 R)
• M2: 560,094 km (0.062 R)
• M3: 1,016,817 km (0.12 R)
• M4: 1,479,972 km (0.114 R)
• M5: 2,045,452 km (0.062 R)
• M6: 2,582,059 km (0.103 R)
• M7: 2,970,565 km (0.101 R)
• M8: 3,376,125 km (0.093 R)
• M9: 3,782,433 km (0.068 R)
• M10: 4,379,777 km (0.097 R)
• M11: 4,836,200 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.4

Radius: 14.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.94 AU - 1.52 AU

Year: 925 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,662,080 km

• M1: 180,265 km (0.067 R)
• M2: 814,411 km (0.114 R)
• M3: 1,696,141 km (0.115 R)
• M4: 5,184,314 km (0.099 R)
• M5: 6,697,197 km (0.105 R)
• M6: 7,391,930 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 11.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.03 AU - 3.13 AU

Year: 2811 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,662,080 km

• M1: 143,165 km (0.031 R)
• M2: 502,649 km (0.108 R)
• M3: 940,073 km (0.09 R)
• M4: 1,352,664 km (0.099 R)
• M5: 1,962,574 km (0.037 R)
• M6: 2,521,771 km (0.098 R)
• M7: 4,718,466 km (0.119 R)
• M8: 5,636,848 km (0.104 R)
• M9: 6,696,001 km (0.105 R)
• M10: 7,085,853 km (0.107 R)
• M11: 8,497,009 km (0.084 R)
• M12: 9,688,706 km (0.11 R)
• M13: 12,440,409 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.1

Radius: 10

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.38 AU - 6.78 AU

Year: 8940 Days

Day: 7.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,662,080 km

• M1: 124,316 km (0.078 R)
• M2: 574,905 km (0.116 R)
• M3: 937,979 km (0.114 R)
• M4: 2,028,996 km (0.037 R)
• M5: 2,456,397 km (0.064 R)
• M6: 2,780,276 km (0.099 R)
• M7: 4,546,728 km (0.118 R)
• M8: 5,977,482 km (0.086 R)
• M9: 6,346,390 km (0.1 R)
• M10: 6,928,326 km (0.081 R)
• M11: 7,976,858 km (0.025 R)
• M12: 8,577,792 km (0.113 R)
• M13: 9,168,255 km (0.089 R)
• M14: 9,618,395 km (0.034 R)
• M15: 10,740,978 km (0.103 R)
• M16: 15,821,920 km (0.106 R)
• M17: 21,371,552 km (0.115 R)
• M18: 24,657,918 km (0.068 R)
• M19: 27,670,520 km (0.089 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: 360 - 16,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit