🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.1

Radius: 11.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.5 AU - 0.78 AU

Year: 341 Days

Day: 6 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,683,475 km

• M1: 138,079 km (0.077 R)
• M2: 523,593 km (0.067 R)
• M3: 905,217 km (0.072 R)
• M4: 1,273,527 km (0.117 R)
• M5: 1,901,838 km (0.058 R)
• M6: 2,488,261 km (0.112 R)
• M7: 2,914,765 km (0.044 R)
• M8: 3,476,056 km (0.053 R)
• M9: 4,169,592 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 14.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.53 AU - 0.75 AU

Year: 341 Days

Day: 13.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,683,475 km

• M1: 183,108 km (0.086 R)
• M2: 909,705 km (0.089 R)
• M3: 1,584,092 km (0.112 R)
• M4: 2,228,709 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 12.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.46 AU - 1.62 AU

Year: 1274 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,683,475 km

• M1: 150,495 km (0.08 R)
• M2: 552,615 km (0.115 R)
• M3: 1,499,120 km (0.09 R)
• M4: 1,896,602 km (0.081 R)
• M5: 2,787,906 km (0.094 R)
• M6: 3,720,200 km (0.116 R)
• M7: 4,387,855 km (0.044 R)
• M8: 4,929,848 km (0.034 R)
• M9: 5,581,796 km (0.096 R)
• M10: 6,078,610 km (0.119 R)
• M11: 6,629,579 km (0.115 R)
• M12: 7,451,320 km (0.067 R)
• M13: 10,360,849 km (0.094 R)
• M14: 10,939,344 km (0.105 R)
• M15: 11,539,232 km (0.105 R)
• M16: 13,194,233 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304

Radius: 12.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.84 AU - 5.16 AU

Year: 6366 Days

Day: 12.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,683,475 km

• M1: 221,255 km (0.105 R)
• M2: 1,089,820 km (0.119 R)
• M3: 1,905,278 km (0.109 R)
• M4: 2,433,658 km (0.049 R)
• M5: 4,323,229 km (0.116 R)
• M6: 6,203,375 km (0.055 R)
• M7: 7,375,624 km (0.111 R)
• M8: 8,211,577 km (0.102 R)
• M9: 12,971,482 km (0.088 R)
• M10: 13,981,267 km (0.053 R)
• M11: 15,151,871 km (0.053 R)
• M12: 18,550,585 km (0.088 R)
• M13: 22,857,208 km (0.114 R)
• M14: 25,088,461 km (0.106 R)
• M15: 26,020,306 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679

Radius: 10.1

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.2 AU - 5.3 AU

Year: 8022 Days

Day: 11.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,683,475 km

• M1: 125,812 km (0.077 R)
• M2: 495,767 km (0.097 R)
• M3: 840,291 km (0.085 R)
• M4: 1,524,701 km (0.079 R)
• M5: 2,044,853 km (0.099 R)
• M6: 2,436,650 km (0.115 R)
• M7: 2,878,562 km (0.048 R)
• M8: 4,618,236 km (0.103 R)
• M9: 5,236,673 km (0.111 R)
• M10: 8,790,520 km (0.106 R)
• M11: 9,601,042 km (0.077 R)
• M12: 12,553,057 km (0.114 R)
• M13: 18,469,652 km (0.07 R)
• M14: 19,199,391 km (0.101 R)
• M15: 23,731,309 km (0.101 R)
• M16: 26,656,695 km (0.114 R)
• M17: 30,920,085 km (0.079 R)
• M18: 32,261,678 km (0.115 R)
• M19: 37,901,369 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.2

Radius: 6.9

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.58 AU - 7.54 AU

Year: 9948 Days

Day: 19.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,683,475 km

• M1: 85,869 km (0.073 R)
• M2: 639,381 km (0.119 R)
• M3: 959,820 km (0.112 R)
• M4: 1,210,845 km (0.079 R)
• M5: 1,648,569 km (0.104 R)
• M6: 2,133,864 km (0.054 R)
• M7: 2,752,451 km (0.071 R)
• M8: 3,290,256 km (0.031 R)
• M9: 3,635,079 km (0.107 R)
• M10: 3,869,349 km (0.059 R)
• M11: 4,909,204 km (0.046 R)
• M12: 5,426,812 km (0.058 R)
• M13: 8,666,205 km (0.068 R)
• M14: 12,470,479 km (0.108 R)
• M15: 12,885,164 km (0.11 R)
• M16: 13,930,853 km (0.098 R)
• M17: 14,636,805 km (0.103 R)
• M18: 17,626,818 km (0.11 R)
• M19: 17,924,218 km (0.053 R)
• M20: 19,699,048 km (0.105 R)
• M21: 20,180,603 km (0.12 R)
• M22: 28,276,990 km (0.117 R)
• M23: 32,419,654 km (0.074 R)
• M24: 38,051,714 km (0.119 R)
• M25: 42,546,682 km (0.043 R)
• M26: 45,129,040 km (0.042 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: 327 - 16,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit