🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.1

Radius: 9.9

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.78 AU - 1.24 AU

Year: 688 Days

Day: 10.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,870,961 km

• M1: 123,269 km (0.079 R)
• M2: 439,818 km (0.043 R)
• M3: 820,395 km (0.117 R)
• M4: 1,531,433 km (0.102 R)
• M5: 1,940,434 km (0.081 R)
• M6: 2,465,523 km (0.119 R)
• M7: 3,006,917 km (0.058 R)
• M8: 3,456,608 km (0.108 R)
• M9: 4,779,951 km (0.117 R)
• M10: 5,394,499 km (0.059 R)
• M11: 5,859,449 km (0.076 R)
• M12: 6,329,785 km (0.117 R)
• M13: 7,230,813 km (0.097 R)
• M14: 7,748,422 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.9

Radius: 11.2

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.95 AU - 1.13 AU

Year: 719 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,870,961 km

• M1: 139,276 km (0.034 R)
• M2: 504,444 km (0.089 R)
• M3: 879,635 km (0.079 R)
• M4: 1,352,066 km (0.084 R)
• M5: 1,790,537 km (0.107 R)
• M6: 2,282,265 km (0.088 R)
• M7: 2,853,430 km (0.077 R)
• M8: 3,484,733 km (0.117 R)
• M9: 3,899,568 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.5

Radius: 15

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.14 AU - 3.26 AU

Year: 3883 Days

Day: 14.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,870,961 km

• M1: 187,745 km (0.082 R)
• M2: 899,532 km (0.077 R)
• M3: 2,134,911 km (0.082 R)
• M4: 2,911,773 km (0.091 R)
• M5: 3,573,594 km (0.119 R)
• M6: 4,106,611 km (0.064 R)
• M7: 5,627,722 km (0.059 R)
• M8: 6,616,714 km (0.117 R)
• M9: 7,188,477 km (0.089 R)
• M10: 7,868,100 km (0.09 R)
• M11: 8,643,466 km (0.12 R)
• M12: 9,356,150 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.9

Radius: 4.9

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.28 AU - 8.8 AU

Year: 15462 Days

Day: 24.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,870,961 km

• M1: 60,886 km (0.068 R)
• M2: 373,695 km (0.101 R)
• M3: 530,624 km (0.102 R)
• M4: 829,520 km (0.055 R)
• M5: 1,094,009 km (0.116 R)
• M6: 1,508,994 km (0.079 R)
• M7: 2,022,414 km (0.07 R)
• M8: 2,563,210 km (0.088 R)
• M9: 3,011,256 km (0.083 R)
• M10: 5,920,785 km (0.096 R)
• M11: 6,700,189 km (0.074 R)
• M12: 9,157,783 km (0.115 R)
• M13: 9,643,228 km (0.101 R)
• M14: 11,422,695 km (0.056 R)
• M15: 11,701,545 km (0.106 R)
• M16: 13,164,762 km (0.071 R)
• M17: 13,348,169 km (0.059 R)
• M18: 14,035,272 km (0.119 R)
• M19: 16,028,813 km (0.084 R)
• M20: 17,384,619 km (0.101 R)
• M21: 17,605,425 km (0.103 R)
• M22: 19,519,231 km (0.109 R)
• M23: 22,950,707 km (0.049 R)
• M24: 24,026,166 km (0.054 R)
• M25: 28,870,743 km (0.047 R)
• M26: 33,298,541 km (0.074 R)
• M27: 37,053,448 km (0.065 R)
• M28: 40,691,668 km (0.064 R)
• M29: 44,560,867 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.5

Radius: 4.6

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.08 AU - 10.72 AU

Year: 18008 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,870,961 km

• M1: 57,296 km (0.104 R)
• M2: 227,389 km (0.051 R)
• M3: 524,041 km (0.072 R)
• M4: 692,937 km (0.113 R)
• M5: 1,026,840 km (0.053 R)
• M6: 1,418,487 km (0.098 R)
• M7: 1,564,195 km (0.036 R)
• M8: 2,193,404 km (0.115 R)
• M9: 2,930,473 km (0.092 R)
• M10: 4,494,818 km (0.049 R)
• M11: 8,894,790 km (0.08 R)
• M12: 11,060,219 km (0.104 R)
• M13: 14,551,684 km (0.086 R)
• M14: 23,603,702 km (0.051 R)
• M15: 31,740,629 km (0.108 R)
• M16: 32,667,837 km (0.079 R)
• M17: 35,557,918 km (0.12 R)
• M18: 41,427,390 km (0.095 R)
• M19: 44,231,154 km (0.09 R)
• M20: 48,517,581 km (0.111 R)
• M21: 50,996,867 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 13,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit