🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 9.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.88 AU

Year: 413 Days

Day: 5.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,646,017 km

• M1: 115,639 km (0.103 R)
• M2: 631,901 km (0.102 R)
• M3: 930,499 km (0.099 R)
• M4: 1,241,064 km (0.054 R)
• M5: 1,583,942 km (0.101 R)
• M6: 1,889,720 km (0.114 R)
• M7: 2,525,960 km (0.049 R)
• M8: 2,880,058 km (0.042 R)
• M9: 3,226,078 km (0.054 R)
• M10: 3,803,227 km (0.065 R)
• M11: 4,135,035 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.9

Radius: 10.5

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.68 AU - 0.78 AU

Year: 431 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,646,017 km

• M1: 132,095 km (0.114 R)
• M2: 579,841 km (0.079 R)
• M3: 995,723 km (0.049 R)
• M4: 1,342,342 km (0.101 R)
• M5: 1,998,328 km (0.109 R)
• M6: 2,428,572 km (0.108 R)
• M7: 2,995,697 km (0.049 R)
• M8: 4,972,484 km (0.095 R)
• M9: 5,352,612 km (0.117 R)
• M10: 5,734,984 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 9.1

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.07 AU - 1.23 AU

Year: 851 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,646,017 km

• M1: 113,844 km (0.087 R)
• M2: 441,763 km (0.114 R)
• M3: 802,593 km (0.108 R)
• M4: 1,441,226 km (0.05 R)
• M5: 2,027,500 km (0.116 R)
• M6: 2,450,712 km (0.044 R)
• M7: 2,835,777 km (0.118 R)
• M8: 3,671,132 km (0.104 R)
• M9: 4,415,082 km (0.105 R)
• M10: 4,712,333 km (0.116 R)
• M11: 5,040,700 km (0.092 R)
• M12: 6,179,738 km (0.03 R)
• M13: 7,006,865 km (0.099 R)
• M14: 7,574,739 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.2

Radius: 10.1

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.28 AU - 2.13 AU

Year: 1530 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,646,017 km

• M1: 125,662 km (0.09 R)
• M2: 441,912 km (0.104 R)
• M3: 854,653 km (0.108 R)
• M4: 1,650,214 km (0.073 R)
• M5: 2,542,565 km (0.074 R)
• M6: 3,032,498 km (0.096 R)
• M7: 4,291,215 km (0.104 R)
• M8: 4,831,562 km (0.114 R)
• M9: 7,175,611 km (0.097 R)
• M10: 7,695,763 km (0.061 R)
• M11: 8,157,422 km (0.071 R)
• M12: 8,987,690 km (0.088 R)
• M13: 9,438,728 km (0.072 R)
• M14: 10,386,131 km (0.082 R)
• M15: 11,154,466 km (0.09 R)
• M16: 11,500,187 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.6

Radius: 14.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.97 AU - 2.05 AU

Year: 1967 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,646,017 km

• M1: 175,329 km (0.07 R)
• M2: 619,186 km (0.113 R)
• M3: 1,114,055 km (0.071 R)
• M4: 1,655,300 km (0.068 R)
• M5: 2,302,760 km (0.059 R)
• M6: 2,892,624 km (0.103 R)
• M7: 3,350,992 km (0.117 R)
• M8: 4,218,660 km (0.083 R)
• M9: 5,376,996 km (0.102 R)
• M10: 6,053,627 km (0.115 R)
• M11: 6,737,738 km (0.114 R)
• M12: 7,239,041 km (0.104 R)
• M13: 7,765,326 km (0.079 R)
• M14: 8,260,794 km (0.106 R)
• M15: 9,163,767 km (0.106 R)
• M16: 9,907,269 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.3

Radius: 3.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.01 AU - 9.43 AU

Year: 17774 Days

Day: 17.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,646,017 km

• M1: 46,076 km (0.091 R)
• M2: 224,397 km (0.053 R)
• M3: 460,313 km (0.051 R)
• M4: 845,228 km (0.115 R)
• M5: 1,006,943 km (0.095 R)
• M6: 1,168,808 km (0.068 R)
• M7: 1,381,536 km (0.051 R)
• M8: 2,815,881 km (0.118 R)
• M9: 3,464,836 km (0.051 R)
• M10: 4,256,209 km (0.107 R)
• M11: 4,553,310 km (0.117 R)
• M12: 4,758,858 km (0.09 R)
• M13: 5,078,997 km (0.058 R)
• M14: 5,643,879 km (0.085 R)
• M15: 6,063,650 km (0.116 R)
• M16: 6,964,828 km (0.087 R)
• M17: 9,312,168 km (0.117 R)
• M18: 9,601,790 km (0.098 R)
• M19: 13,824,339 km (0.114 R)
• M20: 18,807,744 km (0.096 R)
• M21: 20,563,424 km (0.045 R)
• M22: 24,474,660 km (0.074 R)
• M23: 27,905,239 km (0.096 R)
• M24: 29,380,423 km (0.065 R)
• M25: 29,645,960 km (0.066 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: 159 - 10,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit