🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 10.7

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.62 AU - 1.02 AU

Year: 513 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,932,530 km

• M1: 133,142 km (0.06 R)
• M2: 512,074 km (0.058 R)
• M3: 952,938 km (0.117 R)
• M4: 1,341,893 km (0.111 R)
• M5: 1,732,493 km (0.114 R)
• M6: 2,134,313 km (0.083 R)
• M7: 2,793,291 km (0.115 R)
• M8: 3,771,512 km (0.032 R)
• M9: 4,139,373 km (0.094 R)
• M10: 5,320,149 km (0.094 R)
• M11: 6,236,885 km (0.098 R)
• M12: 6,733,101 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658

Radius: 14.4

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.87 AU - 1.35 AU

Year: 807 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,932,530 km

• M1: 179,069 km (0.116 R)
• M2: 906,264 km (0.107 R)
• M3: 1,541,905 km (0.062 R)
• M4: 2,231,701 km (0.116 R)
• M5: 3,071,992 km (0.047 R)
• M6: 3,903,756 km (0.108 R)
• M7: 4,365,565 km (0.088 R)
• M8: 4,916,085 km (0.094 R)
• M9: 5,607,377 km (0.097 R)
• M10: 6,056,919 km (0.044 R)
• M11: 6,615,367 km (0.077 R)
• M12: 7,230,663 km (0.102 R)
• M13: 7,740,792 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.3

Radius: 11.2

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.73 AU - 3.75 AU

Year: 4993 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,932,530 km

• M1: 139,276 km (0.044 R)
• M2: 547,229 km (0.117 R)
• M3: 950,395 km (0.109 R)
• M4: 1,312,273 km (0.088 R)
• M5: 1,985,463 km (0.11 R)
• M6: 2,732,405 km (0.058 R)
• M7: 3,321,372 km (0.084 R)
• M8: 4,252,918 km (0.102 R)
• M9: 4,728,041 km (0.101 R)
• M10: 6,792,641 km (0.049 R)
• M11: 10,339,606 km (0.114 R)
• M12: 10,833,130 km (0.092 R)
• M13: 11,389,335 km (0.092 R)
• M14: 11,964,539 km (0.077 R)
• M15: 12,710,733 km (0.115 R)
• M16: 13,329,619 km (0.11 R)
• M17: 13,700,023 km (0.099 R)
• M18: 14,683,779 km (0.108 R)
• M19: 17,600,788 km (0.115 R)
• M20: 18,500,469 km (0.114 R)
• M21: 19,028,101 km (0.064 R)
• M22: 20,252,261 km (0.056 R)
• M23: 22,185,813 km (0.096 R)
• M24: 25,595,896 km (0.107 R)
• M25: 26,834,118 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.4

Radius: 4.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.87 AU - 7.91 AU

Year: 13867 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,932,530 km

• M1: 62,682 km (0.063 R)
• M2: 374,294 km (0.099 R)
• M3: 893,997 km (0.084 R)
• M4: 1,630,617 km (0.099 R)
• M5: 6,322,006 km (0.103 R)
• M6: 8,228,780 km (0.097 R)
• M7: 8,918,576 km (0.112 R)
• M8: 12,065,667 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.6

Radius: 7.4

Gravity: 11.9 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.46 AU - 8.92 AU

Year: 17682 Days

Day: 24 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,932,530 km

• M1: 92,152 km (0.085 R)
• M2: 343,477 km (0.105 R)
• M3: 602,431 km (0.087 R)
• M4: 1,067,680 km (0.115 R)
• M5: 2,045,152 km (0.1 R)
• M6: 2,369,032 km (0.115 R)
• M7: 5,119,838 km (0.054 R)
• M8: 7,705,188 km (0.084 R)
• M9: 9,116,793 km (0.069 R)
• M10: 10,053,426 km (0.103 R)
• M11: 13,316,305 km (0.071 R)
• M12: 18,138,143 km (0.063 R)
• M13: 18,478,628 km (0.108 R)
• M14: 25,466,794 km (0.052 R)
• M15: 28,671,928 km (0.031 R)
• M16: 31,888,731 km (0.029 R)
• M17: 34,812,322 km (0.113 R)
• M18: 38,326,825 km (0.091 R)
• M19: 38,887,817 km (0.095 R)
• M20: 39,882,493 km (0.059 R)
• M21: 42,070,960 km (0.115 R)
• M22: 49,114,926 km (0.113 R)
• M23: 54,752,970 km (0.105 R)
• M24: 60,617,805 km (0.099 R)
• M25: 61,188,222 km (0.073 R)
• M26: 62,146,845 km (0.031 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 13,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit