🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.1

Radius: 13.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.62 AU - 0.84 AU

Year: 416 Days

Day: 8.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,174,812 km

• M1: 162,912 km (0.113 R)
• M2: 583,731 km (0.082 R)
• M3: 1,079,498 km (0.05 R)
• M4: 1,902,436 km (0.072 R)
• M5: 2,606,892 km (0.069 R)
• M6: 3,309,703 km (0.099 R)
• M7: 4,052,906 km (0.08 R)
• M8: 4,553,460 km (0.119 R)
• M9: 5,127,467 km (0.03 R)
• M10: 6,216,390 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.6

Radius: 12.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.4 AU - 3.82 AU

Year: 3657 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,174,812 km

• M1: 150,495 km (0.105 R)
• M2: 527,033 km (0.066 R)
• M3: 999,763 km (0.081 R)
• M4: 1,400,386 km (0.06 R)
• M5: 2,211,057 km (0.05 R)
• M6: 2,893,073 km (0.067 R)
• M7: 3,711,074 km (0.056 R)
• M8: 5,664,823 km (0.097 R)
• M9: 6,477,737 km (0.042 R)
• M10: 7,466,729 km (0.101 R)
• M11: 7,980,149 km (0.118 R)
• M12: 9,783,402 km (0.106 R)
• M13: 10,780,621 km (0.093 R)
• M14: 11,936,115 km (0.08 R)
• M15: 13,074,405 km (0.074 R)
• M16: 15,130,329 km (0.097 R)
• M17: 16,292,106 km (0.119 R)
• M18: 17,275,413 km (0.105 R)
• M19: 18,175,543 km (0.11 R)
• M20: 24,023,772 km (0.12 R)
• M21: 25,221,004 km (0.088 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.6

Radius: 5.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.17 AU - 8.51 AU

Year: 13261 Days

Day: 15.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,174,812 km

• M1: 89,908 km (0.097 R)
• M2: 334,351 km (0.074 R)
• M3: 840,890 km (0.088 R)
• M4: 4,679,122 km (0.118 R)
• M5: 4,879,733 km (0.083 R)
• M6: 6,541,017 km (0.107 R)
• M7: 7,686,937 km (0.043 R)
• M8: 8,398,724 km (0.105 R)
• M9: 10,539,020 km (0.059 R)
• M10: 13,314,809 km (0.091 R)
• M11: 17,304,434 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.8

Radius: 4.7

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.86 AU - 11.34 AU

Year: 23014 Days

Day: 19.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,174,812 km

• M1: 58,642 km (0.071 R)
• M2: 427,252 km (0.091 R)
• M3: 576,401 km (0.043 R)
• M4: 3,197,804 km (0.064 R)
• M5: 3,703,146 km (0.114 R)
• M6: 6,612,226 km (0.109 R)
• M7: 7,817,386 km (0.068 R)
• M8: 9,309,326 km (0.113 R)
• M9: 13,402,772 km (0.06 R)
• M10: 14,173,650 km (0.055 R)
• M11: 15,944,590 km (0.117 R)
• M12: 20,921,412 km (0.112 R)
• M13: 21,348,963 km (0.102 R)
• M14: 39,982,724 km (0.094 R)
• M15: 46,311,910 km (0.092 R)
• M16: 50,320,984 km (0.117 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: 543 - 16,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit