🌌 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: 667.2

Radius: 9.1

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.5 AU - 0.78 AU

Year: 353 Days

Day: 5.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,254,534 km

• M1: 113,246 km (0.078 R)
• M2: 463,155 km (0.111 R)
• M3: 761,453 km (0.116 R)
• M4: 1,193,941 km (0.026 R)
• M5: 1,487,302 km (0.109 R)
• M6: 1,851,573 km (0.108 R)
• M7: 2,148,973 km (0.091 R)
• M8: 2,646,386 km (0.077 R)
• M9: 3,318,081 km (0.116 R)
• M10: 3,896,277 km (0.084 R)
• M11: 4,637,684 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.2

Radius: 13.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.43 AU - 1.47 AU

Year: 1205 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,254,534 km

• M1: 170,542 km (0.073 R)
• M2: 611,406 km (0.063 R)
• M3: 1,104,930 km (0.105 R)
• M4: 1,601,744 km (0.093 R)
• M5: 2,128,479 km (0.12 R)
• M6: 3,131,981 km (0.108 R)
• M7: 3,582,420 km (0.057 R)
• M8: 4,044,977 km (0.116 R)
• M9: 4,564,680 km (0.079 R)
• M10: 5,390,011 km (0.097 R)
• M11: 6,418,945 km (0.108 R)
• M12: 6,924,287 km (0.087 R)
• M13: 7,792,852 km (0.037 R)
• M14: 8,266,629 km (0.091 R)
• M15: 9,189,797 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 11.8

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.48 AU - 3.52 AU

Year: 3587 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,254,534 km

• M1: 147,354 km (0.048 R)
• M2: 720,164 km (0.095 R)
• M3: 1,502,262 km (0.079 R)
• M4: 1,934,001 km (0.067 R)
• M5: 2,464,176 km (0.116 R)
• M6: 3,126,745 km (0.039 R)
• M7: 3,926,645 km (0.077 R)
• M8: 4,375,289 km (0.117 R)
• M9: 5,296,363 km (0.113 R)
• M10: 5,704,765 km (0.114 R)
• M11: 6,740,730 km (0.115 R)
• M12: 8,802,788 km (0.102 R)
• M13: 12,353,044 km (0.069 R)
• M14: 15,245,220 km (0.111 R)
• M15: 15,629,088 km (0.11 R)
• M16: 16,588,309 km (0.081 R)
• M17: 21,090,158 km (0.112 R)
• M18: 23,041,513 km (0.116 R)
• M19: 24,581,922 km (0.106 R)
• M20: 25,492,524 km (0.075 R)
• M21: 25,956,128 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.2

Radius: 8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.03 AU - 3.15 AU

Year: 3749 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,254,534 km

• M1: 99,483 km (0.052 R)
• M2: 558,748 km (0.104 R)
• M3: 1,970,503 km (0.067 R)
• M4: 2,225,418 km (0.09 R)
• M5: 2,771,301 km (0.069 R)
• M6: 3,475,308 km (0.106 R)
• M7: 4,027,324 km (0.087 R)
• M8: 4,570,813 km (0.116 R)
• M9: 5,427,411 km (0.031 R)
• M10: 5,906,872 km (0.053 R)
• M11: 7,125,945 km (0.045 R)
• M12: 8,047,917 km (0.09 R)
• M13: 8,604,570 km (0.112 R)
• M14: 12,845,221 km (0.09 R)
• M15: 13,423,866 km (0.099 R)
• M16: 18,864,591 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 14.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.34 AU - 3.88 AU

Year: 3786 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,254,534 km

• M1: 179,368 km (0.071 R)
• M2: 638,933 km (0.06 R)
• M3: 1,194,090 km (0.08 R)
• M4: 1,782,159 km (0.081 R)
• M5: 2,469,861 km (0.087 R)
• M6: 2,973,108 km (0.074 R)
• M7: 4,344,173 km (0.079 R)
• M8: 5,327,479 km (0.026 R)
• M9: 6,078,760 km (0.09 R)
• M10: 6,531,742 km (0.118 R)
• M11: 8,329,310 km (0.083 R)
• M12: 9,310,074 km (0.112 R)
• M13: 9,811,676 km (0.106 R)
• M14: 10,260,918 km (0.12 R)
• M15: 10,905,834 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.5

Radius: 12.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.77 AU - 3.57 AU

Year: 3896 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,254,534 km

• M1: 157,975 km (0.083 R)
• M2: 849,267 km (0.041 R)
• M3: 1,754,633 km (0.12 R)
• M4: 2,390,424 km (0.104 R)
• M5: 3,107,148 km (0.083 R)
• M6: 3,784,078 km (0.032 R)
• M7: 6,390,073 km (0.104 R)
• M8: 6,938,798 km (0.082 R)
• M9: 7,676,764 km (0.067 R)
• M10: 8,098,032 km (0.078 R)
• M11: 8,568,966 km (0.056 R)
• M12: 9,022,547 km (0.118 R)
• M13: 10,016,176 km (0.074 R)
• M14: 10,559,366 km (0.078 R)
• M15: 11,747,472 km (0.108 R)
• M16: 12,220,650 km (0.112 R)
• M17: 12,661,964 km (0.095 R)
• M18: 13,251,529 km (0.083 R)
• M19: 16,003,382 km (0.099 R)
• M20: 16,963,501 km (0.12 R)
• M21: 17,513,273 km (0.112 R)
• M22: 19,175,006 km (0.108 R)
• M23: 20,442,399 km (0.076 R)
• M24: 21,002,344 km (0.025 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 15,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit