🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.7

Radius: 11

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.46 AU - 0.64 AU

Year: 272 Days

Day: 7.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 55.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,595,416 km

• M1: 136,732 km (0.113 R)
• M2: 606,470 km (0.105 R)
• M3: 999,613 km (0.069 R)
• M4: 1,536,520 km (0.102 R)
• M5: 2,736,295 km (0.045 R)
• M6: 3,364,456 km (0.025 R)
• M7: 4,062,181 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.8

Radius: 8.9

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.59 AU - 0.61 AU

Year: 310 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,595,416 km

• M1: 110,702 km (0.083 R)
• M2: 492,775 km (0.085 R)
• M3: 788,979 km (0.036 R)
• M4: 1,139,487 km (0.116 R)
• M5: 1,458,729 km (0.067 R)
• M6: 1,867,430 km (0.08 R)
• M7: 2,239,929 km (0.032 R)
• M8: 2,856,871 km (0.116 R)
• M9: 3,157,113 km (0.036 R)
• M10: 3,547,714 km (0.084 R)
• M11: 3,858,578 km (0.118 R)
• M12: 4,187,544 km (0.073 R)
• M13: 4,660,123 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.96 AU - 1.38 AU

Year: 844 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,595,416 km

• M1: 112,049 km (0.085 R)
• M2: 468,840 km (0.077 R)
• M3: 765,044 km (0.082 R)
• M4: 1,067,231 km (0.101 R)
• M5: 1,422,377 km (0.105 R)
• M6: 1,951,355 km (0.041 R)
• M7: 2,296,627 km (0.103 R)
• M8: 2,671,519 km (0.114 R)
• M9: 2,991,209 km (0.057 R)
• M10: 3,272,753 km (0.113 R)
• M11: 4,825,429 km (0.04 R)
• M12: 5,698,332 km (0.115 R)
• M13: 6,349,682 km (0.082 R)
• M14: 6,755,541 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.4

Radius: 9.7

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.79 AU - 2.21 AU

Year: 1886 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,595,416 km

• M1: 137,032 km (0.074 R)
• M2: 506,538 km (0.111 R)
• M3: 947,703 km (0.07 R)
• M4: 1,390,662 km (0.078 R)
• M5: 1,968,708 km (0.117 R)
• M6: 2,354,820 km (0.107 R)
• M7: 2,844,604 km (0.06 R)
• M8: 3,524,077 km (0.103 R)
• M9: 4,750,929 km (0.114 R)
• M10: 6,933,113 km (0.111 R)
• M11: 9,711,595 km (0.111 R)
• M12: 10,639,101 km (0.099 R)
• M13: 11,381,256 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.7

Radius: 12.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.65 AU - 3.21 AU

Year: 3344 Days

Day: 8.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,595,416 km

• M1: 154,684 km (0.049 R)
• M2: 566,228 km (0.092 R)
• M3: 979,866 km (0.105 R)
• M4: 1,570,329 km (0.105 R)
• M5: 2,243,220 km (0.101 R)
• M6: 2,923,741 km (0.115 R)
• M7: 3,496,401 km (0.032 R)
• M8: 5,300,552 km (0.069 R)
• M9: 5,786,446 km (0.087 R)
• M10: 6,480,580 km (0.103 R)
• M11: 6,942,089 km (0.119 R)
• M12: 8,388,252 km (0.039 R)
• M13: 10,645,085 km (0.096 R)
• M14: 11,158,356 km (0.089 R)
• M15: 12,702,804 km (0.1 R)
• M16: 14,128,920 km (0.117 R)
• M17: 15,387,936 km (0.058 R)
• M18: 17,828,326 km (0.089 R)
• M19: 18,675,798 km (0.077 R)
• M20: 24,115,027 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 9.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.56 AU - 3.88 AU

Year: 3853 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,595,416 km

• M1: 123,568 km (0.096 R)
• M2: 609,013 km (0.108 R)
• M3: 1,037,162 km (0.075 R)
• M4: 1,439,431 km (0.104 R)
• M5: 2,092,126 km (0.115 R)
• M6: 2,714,005 km (0.101 R)
• M7: 3,077,079 km (0.032 R)
• M8: 3,654,975 km (0.071 R)
• M9: 4,303,632 km (0.115 R)
• M10: 5,073,462 km (0.095 R)
• M11: 5,381,933 km (0.106 R)
• M12: 6,687,174 km (0.086 R)
• M13: 7,087,798 km (0.111 R)
• M14: 7,626,499 km (0.092 R)
• M15: 8,785,883 km (0.045 R)
• M16: 9,765,749 km (0.095 R)
• M17: 10,739,482 km (0.115 R)
• M18: 11,170,323 km (0.06 R)
• M19: 11,817,783 km (0.115 R)
• M20: 12,705,198 km (0.081 R)
• M21: 13,231,782 km (0.081 R)
• M22: 13,545,638 km (0.092 R)
• M23: 15,093,228 km (0.1 R)
• M24: 15,733,956 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.6

Radius: 8.1

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.08 AU - 4.22 AU

Year: 4650 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,595,416 km

• M1: 104,270 km (0.073 R)
• M2: 366,066 km (0.054 R)
• M3: 788,830 km (0.077 R)
• M4: 1,472,342 km (0.116 R)
• M5: 1,939,985 km (0.117 R)
• M6: 2,253,842 km (0.077 R)
• M7: 3,588,255 km (0.119 R)
• M8: 4,132,342 km (0.087 R)
• M9: 4,933,289 km (0.06 R)
• M10: 5,411,703 km (0.097 R)
• M11: 7,606,453 km (0.118 R)
• M12: 11,988,175 km (0.085 R)
• M13: 12,463,597 km (0.045 R)
• M14: 14,017,620 km (0.103 R)
• M15: 16,208,480 km (0.114 R)
• M16: 17,505,943 km (0.104 R)
• M17: 20,981,849 km (0.073 R)
• M18: 24,739,449 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.6

Radius: 7.2

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.45 AU - 8.63 AU

Year: 16642 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,595,416 km

• M1: 89,908 km (0.104 R)
• M2: 965,654 km (0.079 R)
• M3: 1,262,456 km (0.046 R)
• M4: 3,399,163 km (0.108 R)
• M5: 5,126,719 km (0.112 R)
• M6: 5,419,332 km (0.114 R)
• M7: 7,142,999 km (0.09 R)
• M8: 7,462,241 km (0.076 R)
• M9: 11,505,572 km (0.1 R)
• M10: 12,591,204 km (0.085 R)
• M11: 14,817,071 km (0.119 R)
• M12: 15,412,021 km (0.091 R)
• M13: 16,256,053 km (0.093 R)
• M14: 20,392,883 km (0.096 R)
• M15: 35,304,649 km (0.092 R)
• M16: 40,387,087 km (0.073 R)
• M17: 41,693,076 km (0.069 R)
• M18: 50,292,111 km (0.09 R)
• M19: 53,517,292 km (0.108 R)
• M20: 57,058,273 km (0.116 R)
• M21: 60,188,459 km (0.096 R)
• M22: 65,789,104 km (0.091 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: 538 - 16,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit