🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.58 AU - 0.64 AU

Year: 167 Days

Day: 27.6 Hours

Environment

Temp: 165 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.83 AU - 2.85 AU

Year: 1682 Days

Day: 28.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.76 AU - 4.3 AU

Year: 2843 Days

Day: 13 Hours

Environment

Temp: -105 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,850,972 km

• M1: 1,871,769 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.1

Radius: 13.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.54 AU - 8.96 AU

Year: 8328 Days

Day: 6.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,850,972 km

• M1: 171,738 km (0.095 R)
• M2: 629,059 km (0.075 R)
• M3: 1,113,756 km (0.12 R)
• M4: 1,916,498 km (0.1 R)
• M5: 2,718,044 km (0.061 R)
• M6: 5,228,146 km (0.118 R)
• M7: 6,026,999 km (0.055 R)
• M8: 6,723,228 km (0.11 R)
• M9: 9,454,436 km (0.094 R)
• M10: 11,451,418 km (0.115 R)
• M11: 13,833,465 km (0.111 R)
• M12: 20,008,865 km (0.072 R)
• M13: 23,189,914 km (0.104 R)
• M14: 25,876,692 km (0.094 R)
• M15: 30,839,302 km (0.098 R)
• M16: 34,953,692 km (0.07 R)
• M17: 38,357,642 km (0.062 R)
• M18: 39,659,293 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.4

Radius: 10.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 12.19 AU - 13.05 AU

Year: 15757 Days

Day: 14 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 93,850,972 km

• M1: 134,339 km (0.073 R)
• M2: 762,800 km (0.094 R)
• M3: 2,060,711 km (0.055 R)
• M4: 3,287,264 km (0.028 R)
• M5: 4,072,204 km (0.119 R)
• M6: 4,481,204 km (0.115 R)
• M7: 4,857,742 km (0.107 R)
• M8: 5,943,972 km (0.04 R)
• M9: 8,159,965 km (0.104 R)
• M10: 9,083,433 km (0.102 R)
• M11: 10,321,655 km (0.116 R)
• M12: 11,137,711 km (0.119 R)
• M13: 12,106,357 km (0.042 R)
• M14: 13,247,639 km (0.119 R)
• M15: 18,025,945 km (0.078 R)
• M16: 19,895,918 km (0.035 R)
• M17: 21,401,172 km (0.069 R)
• M18: 21,974,431 km (0.114 R)
• M19: 24,995,859 km (0.059 R)
• M20: 26,746,902 km (0.096 R)
• M21: 28,381,708 km (0.064 R)
• M22: 30,082,037 km (0.081 R)
• M23: 30,698,081 km (0.054 R)
• M24: 33,905,310 km (0.11 R)
• M25: 34,684,715 km (0.116 R)
• M26: 35,248,549 km (0.11 R)
• M27: 43,017,167 km (0.108 R)
• M28: 43,930,462 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815

Radius: 5.7

Gravity: 25.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 10.87 AU - 17.99 AU

Year: 19265 Days

Day: 16 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 93,850,972 km

• M1: 70,909 km (0.044 R)
• M2: 251,624 km (0.099 R)
• M3: 788,231 km (0.048 R)
• M4: 1,269,338 km (0.101 R)
• M5: 1,652,009 km (0.107 R)
• M6: 2,007,005 km (0.09 R)
• M7: 2,597,468 km (0.067 R)
• M8: 3,213,811 km (0.106 R)
• M9: 4,767,385 km (0.053 R)
• M10: 5,061,644 km (0.061 R)
• M11: 8,176,122 km (0.115 R)
• M12: 8,705,698 km (0.059 R)
• M13: 8,923,962 km (0.038 R)
• M14: 9,716,232 km (0.07 R)
• M15: 12,859,583 km (0.113 R)
• M16: 15,962,392 km (0.106 R)
• M17: 20,188,233 km (0.057 R)
• M18: 24,666,595 km (0.05 R)
• M19: 25,769,280 km (0.103 R)
• M20: 26,560,653 km (0.114 R)
• M21: 28,910,387 km (0.111 R)
• M22: 30,011,726 km (0.062 R)
• M23: 31,651,319 km (0.098 R)
• M24: 37,643,312 km (0.098 R)
• M25: 41,671,085 km (0.061 R)
• M26: 42,135,587 km (0.119 R)
• M27: 43,391,162 km (0.1 R)
• M28: 45,320,974 km (0.117 R)
• M29: 55,833,665 km (0.08 R)
• M30: 56,776,581 km (0.036 R)
• M31: 66,797,544 km (0.118 R)
• M32: 72,445,761 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.1

Radius: 6.7

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 18.31 AU - 20.31 AU

Year: 29823 Days

Day: 24.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 93,850,972 km

• M1: 94,396 km (0.08 R)
• M2: 446,250 km (0.103 R)
• M3: 1,789,041 km (0.118 R)
• M4: 2,231,252 km (0.045 R)
• M5: 2,490,505 km (0.095 R)
• M6: 2,743,775 km (0.115 R)
• M7: 3,070,347 km (0.12 R)
• M8: 3,608,600 km (0.118 R)
• M9: 3,900,316 km (0.081 R)
• M10: 5,269,286 km (0.102 R)
• M11: 5,862,142 km (0.069 R)
• M12: 7,383,553 km (0.113 R)
• M13: 7,748,571 km (0.082 R)
• M14: 10,260,020 km (0.106 R)
• M15: 11,525,170 km (0.084 R)
• M16: 14,122,338 km (0.033 R)
• M17: 14,766,507 km (0.053 R)
• M18: 15,178,948 km (0.066 R)
• M19: 16,995,515 km (0.086 R)
• M20: 19,636,516 km (0.074 R)
• M21: 20,540,386 km (0.101 R)
• M22: 21,262,345 km (0.099 R)
• M23: 21,471,633 km (0.091 R)
• M24: 24,895,180 km (0.075 R)
• M25: 28,921,308 km (0.047 R)
• M26: 29,697,122 km (0.086 R)
• M27: 32,800,081 km (0.094 R)
• M28: 33,360,924 km (0.079 R)
• M29: 40,759,585 km (0.119 R)
• M30: 42,227,739 km (0.084 R)
• M31: 44,752,353 km (0.056 R)
• M32: 45,964,245 km (0.112 R)
• M33: 51,218,421 km (0.064 R)
• M34: 53,892,483 km (0.114 R)
• M35: 59,724,856 km (0.106 R)
• M36: 60,981,777 km (0.058 R)
• M37: 65,963,984 km (0.069 R)
• M38: 69,355,368 km (0.092 R)
• M39: 70,047,408 km (0.113 R)
• M40: 70,977,159 km (0.117 R)
• M41: 72,623,932 km (0.114 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 15,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit