🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.8

Radius: 8.7

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.63 AU - 0.85 AU

Year: 424 Days

Day: 8.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,494,961 km

• M1: 109,356 km (0.059 R)
• M2: 387,608 km (0.063 R)
• M3: 1,207,554 km (0.039 R)
• M4: 1,584,241 km (0.101 R)
• M5: 1,904,979 km (0.106 R)
• M6: 2,334,325 km (0.118 R)
• M7: 2,731,508 km (0.105 R)
• M8: 4,744,796 km (0.103 R)
• M9: 5,831,026 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 12.3

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.74 AU - 1.1 AU

Year: 588 Days

Day: 5.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,494,961 km

• M1: 153,188 km (0.082 R)
• M2: 573,857 km (0.108 R)
• M3: 982,559 km (0.118 R)
• M4: 1,824,944 km (0.074 R)
• M5: 2,394,015 km (0.116 R)
• M6: 3,091,141 km (0.059 R)
• M7: 3,702,846 km (0.038 R)
• M8: 4,275,657 km (0.092 R)
• M9: 4,763,196 km (0.119 R)
• M10: 5,407,514 km (0.076 R)
• M11: 6,414,308 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 12.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.75 AU - 2.61 AU

Year: 2146 Days

Day: 13.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,494,961 km

• M1: 151,991 km (0.074 R)
• M2: 741,706 km (0.069 R)
• M3: 1,128,267 km (0.11 R)
• M4: 1,508,994 km (0.12 R)
• M5: 1,954,945 km (0.07 R)
• M6: 2,529,850 km (0.093 R)
• M7: 2,994,501 km (0.091 R)
• M8: 3,447,633 km (0.101 R)
• M9: 4,097,934 km (0.113 R)
• M10: 5,549,183 km (0.101 R)
• M11: 6,444,227 km (0.118 R)
• M12: 7,964,441 km (0.067 R)
• M13: 9,103,030 km (0.092 R)
• M14: 9,539,856 km (0.081 R)
• M15: 10,638,353 km (0.115 R)
• M16: 11,467,874 km (0.041 R)
• M17: 13,470,241 km (0.081 R)
• M18: 14,759,625 km (0.029 R)
• M19: 15,600,365 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.9

Radius: 9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.15 AU - 2.79 AU

Year: 2589 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,494,961 km

• M1: 111,899 km (0.089 R)
• M2: 696,079 km (0.072 R)
• M3: 1,001,259 km (0.074 R)
• M4: 1,433,148 km (0.11 R)
• M5: 1,897,499 km (0.064 R)
• M6: 2,903,246 km (0.112 R)
• M7: 3,286,067 km (0.087 R)
• M8: 5,254,625 km (0.091 R)
• M9: 5,778,367 km (0.088 R)
• M10: 6,824,356 km (0.108 R)
• M11: 7,817,237 km (0.084 R)
• M12: 8,746,987 km (0.079 R)
• M13: 10,969,264 km (0.12 R)
• M14: 11,522,477 km (0.119 R)
• M15: 12,367,406 km (0.086 R)
• M16: 13,627,169 km (0.075 R)
• M17: 14,792,537 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.6

Radius: 8.8

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.05 AU - 3.35 AU

Year: 2959 Days

Day: 9.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,494,961 km

• M1: 109,506 km (0.099 R)
• M2: 409,001 km (0.111 R)
• M3: 762,500 km (0.027 R)
• M4: 1,217,727 km (0.081 R)
• M5: 1,691,802 km (0.116 R)
• M6: 2,401,046 km (0.095 R)
• M7: 2,758,286 km (0.049 R)
• M8: 3,521,983 km (0.055 R)
• M9: 3,860,373 km (0.083 R)
• M10: 4,934,785 km (0.109 R)
• M11: 6,721,881 km (0.069 R)
• M12: 7,213,011 km (0.052 R)
• M13: 7,960,851 km (0.033 R)
• M14: 9,610,018 km (0.098 R)
• M15: 10,925,581 km (0.089 R)
• M16: 13,959,127 km (0.071 R)
• M17: 15,118,361 km (0.12 R)
• M18: 15,431,020 km (0.119 R)
• M19: 15,854,682 km (0.093 R)
• M20: 16,340,426 km (0.11 R)
• M21: 16,947,644 km (0.079 R)
• M22: 22,091,118 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.3

Radius: 12.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.77 AU - 3.49 AU

Year: 3693 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,494,961 km

• M1: 159,471 km (0.038 R)
• M2: 1,520,064 km (0.061 R)
• M3: 2,219,733 km (0.05 R)
• M4: 2,782,371 km (0.112 R)
• M5: 5,013,623 km (0.093 R)
• M6: 5,606,180 km (0.117 R)
• M7: 6,331,879 km (0.066 R)
• M8: 7,056,382 km (0.087 R)
• M9: 7,668,686 km (0.071 R)
• M10: 8,246,283 km (0.112 R)
• M11: 11,021,025 km (0.041 R)
• M12: 15,352,481 km (0.053 R)
• M13: 22,504,905 km (0.089 R)
• M14: 23,197,543 km (0.101 R)

Asteroid Belt

Center: 4.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.9

Radius: 8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.93 AU - 6.29 AU

Year: 10071 Days

Day: 20.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,494,961 km

• M1: 104,868 km (0.071 R)
• M2: 564,134 km (0.106 R)
• M3: 1,056,759 km (0.086 R)
• M4: 1,718,880 km (0.101 R)
• M5: 2,195,648 km (0.108 R)
• M6: 2,540,321 km (0.104 R)
• M7: 3,107,896 km (0.12 R)
• M8: 4,061,732 km (0.041 R)
• M9: 5,076,305 km (0.076 R)
• M10: 5,348,124 km (0.034 R)
• M11: 5,629,667 km (0.04 R)
• M12: 8,354,443 km (0.035 R)
• M13: 9,491,536 km (0.115 R)
• M14: 11,512,155 km (0.036 R)
• M15: 12,466,290 km (0.088 R)
• M16: 13,472,186 km (0.111 R)
• M17: 15,853,335 km (0.077 R)
• M18: 17,033,064 km (0.119 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: 195 - 14,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit