🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 11.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.14 AU - 1.58 AU

Year: 1095 Days

Day: 6.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,758,493 km

• M1: 148,401 km (0.08 R)
• M2: 541,843 km (0.105 R)
• M3: 961,914 km (0.055 R)
• M4: 1,355,058 km (0.091 R)
• M5: 2,019,721 km (0.069 R)
• M6: 2,524,614 km (0.088 R)
• M7: 3,295,641 km (0.111 R)
• M8: 3,709,728 km (0.066 R)
• M9: 4,550,169 km (0.095 R)
• M10: 5,338,101 km (0.045 R)
• M11: 5,783,304 km (0.093 R)
• M12: 6,311,385 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.4

Radius: 10.2

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.63 AU - 1.75 AU

Year: 1516 Days

Day: 5.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,758,493 km

• M1: 127,158 km (0.112 R)
• M2: 741,257 km (0.075 R)
• M3: 1,948,213 km (0.076 R)
• M4: 2,395,511 km (0.052 R)
• M5: 4,007,727 km (0.086 R)
• M6: 5,058,353 km (0.112 R)
• M7: 5,983,017 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.8

Radius: 9.8

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.76 AU - 2.78 AU

Year: 3182 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,758,493 km

• M1: 123,568 km (0.05 R)
• M2: 456,274 km (0.096 R)
• M3: 921,972 km (0.032 R)
• M4: 1,302,399 km (0.032 R)
• M5: 2,148,076 km (0.104 R)
• M6: 3,141,256 km (0.093 R)
• M7: 3,771,362 km (0.05 R)
• M8: 4,859,836 km (0.104 R)
• M9: 6,317,668 km (0.093 R)
• M10: 6,701,087 km (0.109 R)
• M11: 9,527,739 km (0.11 R)
• M12: 10,474,245 km (0.115 R)
• M13: 11,096,871 km (0.077 R)
• M14: 12,009,717 km (0.052 R)
• M15: 12,324,920 km (0.032 R)
• M16: 15,258,085 km (0.095 R)
• M17: 16,496,456 km (0.114 R)
• M18: 21,524,291 km (0.116 R)
• M19: 23,149,074 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 11.8

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.15 AU - 3.61 AU

Year: 4289 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,758,493 km

• M1: 146,756 km (0.103 R)
• M2: 675,285 km (0.05 R)
• M3: 1,043,744 km (0.107 R)
• M4: 1,630,617 km (0.118 R)
• M5: 2,490,206 km (0.058 R)
• M6: 3,895,828 km (0.103 R)
• M7: 5,399,436 km (0.101 R)
• M8: 6,053,029 km (0.115 R)
• M9: 6,943,436 km (0.106 R)
• M10: 7,387,891 km (0.057 R)
• M11: 8,547,274 km (0.07 R)
• M12: 9,058,450 km (0.085 R)
• M13: 9,824,092 km (0.097 R)
• M14: 10,303,853 km (0.042 R)
• M15: 12,062,376 km (0.074 R)
• M16: 15,460,491 km (0.081 R)
• M17: 20,658,868 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.5

Radius: 8.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.76 AU - 4.44 AU

Year: 5730 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,758,493 km

• M1: 116,686 km (0.108 R)
• M2: 586,274 km (0.063 R)
• M3: 1,557,763 km (0.066 R)
• M4: 2,522,519 km (0.118 R)
• M5: 3,028,310 km (0.103 R)
• M6: 4,307,671 km (0.093 R)
• M7: 4,812,863 km (0.097 R)
• M8: 5,154,544 km (0.104 R)
• M9: 5,408,412 km (0.116 R)
• M10: 6,108,081 km (0.091 R)
• M11: 7,174,714 km (0.093 R)
• M12: 8,018,895 km (0.084 R)
• M13: 11,241,981 km (0.074 R)
• M14: 11,713,962 km (0.105 R)
• M15: 13,978,275 km (0.097 R)
• M16: 14,373,812 km (0.034 R)
• M17: 14,725,966 km (0.115 R)
• M18: 17,298,301 km (0.079 R)
• M19: 18,335,613 km (0.086 R)
• M20: 20,030,856 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.8

Radius: 7.7

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.4 AU - 9.5 AU

Year: 15473 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,758,493 km

• M1: 110,254 km (0.115 R)
• M2: 414,984 km (0.081 R)
• M3: 731,683 km (0.097 R)
• M4: 2,068,639 km (0.104 R)
• M5: 2,843,556 km (0.114 R)
• M6: 3,510,015 km (0.066 R)
• M7: 4,394,288 km (0.038 R)
• M8: 4,793,265 km (0.105 R)
• M9: 5,182,669 km (0.094 R)
• M10: 7,119,512 km (0.089 R)
• M11: 7,412,724 km (0.118 R)
• M12: 8,203,947 km (0.072 R)
• M13: 9,196,679 km (0.074 R)
• M14: 10,162,034 km (0.042 R)
• M15: 11,996,403 km (0.12 R)
• M16: 12,292,457 km (0.089 R)
• M17: 12,532,861 km (0.084 R)
• M18: 15,737,546 km (0.095 R)
• M19: 17,114,744 km (0.067 R)
• M20: 18,024,898 km (0.112 R)
• M21: 20,107,151 km (0.104 R)
• M22: 20,694,023 km (0.115 R)
• M23: 21,465,350 km (0.079 R)
• M24: 23,987,570 km (0.037 R)
• M25: 24,268,963 km (0.077 R)
• M26: 25,611,604 km (0.098 R)
• M27: 29,077,338 km (0.101 R)
• M28: 34,010,178 km (0.044 R)
• M29: 35,934,007 km (0.084 R)
• M30: 38,056,202 km (0.041 R)
• M31: 38,567,528 km (0.112 R)
• M32: 42,138,878 km (0.09 R)
• M33: 46,213,924 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391

Radius: 7.6

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9 AU - 9.76 AU

Year: 19830 Days

Day: 22.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,758,493 km

• M1: 125,363 km (0.09 R)
• M2: 887,115 km (0.045 R)
• M3: 2,969,667 km (0.053 R)
• M4: 3,268,564 km (0.109 R)
• M5: 3,726,483 km (0.096 R)
• M6: 5,804,697 km (0.091 R)
• M7: 7,068,051 km (0.103 R)
• M8: 8,261,094 km (0.098 R)
• M9: 8,653,788 km (0.101 R)
• M10: 9,636,496 km (0.025 R)
• M11: 12,194,919 km (0.119 R)
• M12: 24,073,289 km (0.118 R)
• M13: 27,711,210 km (0.086 R)
• M14: 29,831,760 km (0.107 R)
• M15: 38,578,000 km (0.106 R)
• M16: 42,074,551 km (0.096 R)
• M17: 42,944,014 km (0.119 R)
• M18: 44,270,647 km (0.105 R)
• M19: 48,731,207 km (0.088 R)
• M20: 51,480,666 km (0.091 R)
• M21: 62,009,514 km (0.097 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: 413 - 17,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit