🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.6

Radius: 14.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 5.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,541,675 km

• M1: 175,478 km (0.118 R)
• M2: 637,885 km (0.099 R)
• M3: 1,144,424 km (0.093 R)
• M4: 1,835,715 km (0.051 R)
• M5: 2,469,412 km (0.074 R)
• M6: 3,101,313 km (0.079 R)
• M7: 3,585,113 km (0.068 R)
• M8: 4,220,006 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.1

Radius: 11.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.77 AU - 1.03 AU

Year: 569 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,541,675 km

• M1: 146,756 km (0.109 R)
• M2: 581,337 km (0.119 R)
• M3: 1,138,889 km (0.1 R)
• M4: 1,640,789 km (0.09 R)
• M5: 2,265,361 km (0.06 R)
• M6: 2,902,348 km (0.094 R)
• M7: 3,688,336 km (0.119 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.7

Radius: 13.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.54 AU - 3.44 AU

Year: 3448 Days

Day: 12.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 172.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,541,675 km

• M1: 169,195 km (0.112 R)
• M2: 753,375 km (0.084 R)
• M3: 1,724,115 km (0.068 R)
• M4: 2,428,273 km (0.103 R)
• M5: 3,003,925 km (0.071 R)
• M6: 3,490,866 km (0.094 R)
• M7: 4,554,956 km (0.08 R)
• M8: 5,259,861 km (0.101 R)
• M9: 9,457,278 km (0.063 R)
• M10: 10,295,625 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.3

Radius: 3.4

Gravity: 54.96 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.34 AU - 7.52 AU

Year: 13506 Days

Day: 20.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,541,675 km

• M1: 42,336 km (0.103 R)
• M2: 179,667 km (0.101 R)
• M3: 415,433 km (0.119 R)
• M4: 541,245 km (0.105 R)
• M5: 1,080,545 km (0.065 R)
• M6: 1,281,755 km (0.029 R)
• M7: 2,037,822 km (0.097 R)
• M8: 2,285,407 km (0.065 R)
• M9: 2,705,029 km (0.099 R)
• M10: 3,299,082 km (0.086 R)
• M11: 3,613,237 km (0.103 R)
• M12: 7,218,995 km (0.115 R)
• M13: 8,020,690 km (0.08 R)
• M14: 8,206,640 km (0.104 R)
• M15: 11,177,504 km (0.099 R)
• M16: 11,351,187 km (0.07 R)
• M17: 11,526,666 km (0.054 R)
• M18: 12,743,195 km (0.084 R)
• M19: 14,933,159 km (0.099 R)
• M20: 15,499,387 km (0.107 R)
• M21: 16,674,777 km (0.069 R)
• M22: 16,901,567 km (0.108 R)
• M23: 17,987,199 km (0.113 R)
• M24: 18,386,027 km (0.087 R)
• M25: 21,432,887 km (0.063 R)
• M26: 22,518,818 km (0.104 R)
• M27: 25,095,192 km (0.093 R)
• M28: 27,021,415 km (0.047 R)
• M29: 32,911,232 km (0.119 R)
• M30: 35,588,286 km (0.092 R)
• M31: 36,851,640 km (0.103 R)
• M32: 50,063,227 km (0.1 R)
• M33: 55,250,682 km (0.026 R)
• M34: 55,418,382 km (0.12 R)
• M35: 56,942,335 km (0.08 R)
• M36: 57,113,475 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.5

Radius: 5.5

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.99 AU - 9.09 AU

Year: 13807 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,541,675 km

• M1: 68,516 km (0.102 R)
• M2: 411,693 km (0.079 R)
• M3: 990,488 km (0.068 R)
• M4: 1,239,718 km (0.045 R)
• M5: 2,267,006 km (0.031 R)
• M6: 2,637,410 km (0.111 R)
• M7: 5,119,838 km (0.08 R)
• M8: 5,979,876 km (0.071 R)
• M9: 8,545,180 km (0.064 R)
• M10: 9,234,826 km (0.085 R)
• M11: 10,014,231 km (0.073 R)
• M12: 10,724,372 km (0.082 R)
• M13: 12,244,436 km (0.038 R)
• M14: 13,902,729 km (0.087 R)
• M15: 14,716,391 km (0.086 R)
• M16: 16,888,403 km (0.055 R)
• M17: 19,766,067 km (0.083 R)
• M18: 23,234,793 km (0.078 R)
• M19: 26,675,096 km (0.062 R)
• M20: 47,209,797 km (0.073 R)
• M21: 51,553,820 km (0.114 R)
• M22: 56,326,291 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.4

Radius: 6.4

Gravity: 18.96 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.05 AU - 8.17 AU

Year: 13999 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,541,675 km

• M1: 79,736 km (0.078 R)
• M2: 839,543 km (0.095 R)
• M3: 1,749,248 km (0.064 R)
• M4: 4,198,315 km (0.083 R)
• M5: 4,479,708 km (0.064 R)
• M6: 5,080,493 km (0.09 R)
• M7: 8,611,302 km (0.103 R)
• M8: 12,777,902 km (0.076 R)
• M9: 16,072,945 km (0.104 R)
• M10: 17,392,099 km (0.077 R)
• M11: 18,448,409 km (0.064 R)
• M12: 22,530,038 km (0.066 R)
• M13: 23,588,293 km (0.096 R)
• M14: 26,536,269 km (0.119 R)
• M15: 30,410,405 km (0.07 R)
• M16: 36,969,075 km (0.063 R)
• M17: 40,786,962 km (0.068 R)
• M18: 41,495,308 km (0.082 R)
• M19: 53,802,276 km (0.109 R)
• M20: 56,035,772 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 17,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit