🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.5

Radius: 14.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.65 AU - 0.77 AU

Year: 399 Days

Day: 7.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,422,225 km

• M1: 177,872 km (0.108 R)
• M2: 676,781 km (0.075 R)
• M3: 1,243,158 km (0.08 R)
• M4: 1,817,614 km (0.082 R)
• M5: 2,288,548 km (0.043 R)
• M6: 2,752,002 km (0.12 R)
• M7: 3,426,539 km (0.097 R)
• M8: 4,077,739 km (0.079 R)
• M9: 4,709,042 km (0.116 R)
• M10: 5,565,190 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.6

Radius: 8.4

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 617 Days

Day: 14 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,422,225 km

• M1: 104,419 km (0.047 R)
• M2: 407,953 km (0.078 R)
• M3: 704,905 km (0.039 R)
• M4: 1,036,863 km (0.105 R)
• M5: 1,605,335 km (0.102 R)
• M6: 2,036,027 km (0.065 R)
• M7: 2,766,962 km (0.107 R)
• M8: 3,245,526 km (0.107 R)
• M9: 3,636,724 km (0.061 R)
• M10: 4,368,258 km (0.112 R)
• M11: 4,784,439 km (0.073 R)
• M12: 5,292,174 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.9

Radius: 13.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.12 AU - 1.42 AU

Year: 954 Days

Day: 12.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,422,225 km

• M1: 167,998 km (0.112 R)
• M2: 626,366 km (0.097 R)
• M3: 1,063,342 km (0.119 R)
• M4: 1,546,393 km (0.11 R)
• M5: 2,011,643 km (0.103 R)
• M6: 2,465,822 km (0.069 R)
• M7: 3,272,005 km (0.118 R)
• M8: 4,385,910 km (0.1 R)
• M9: 4,853,703 km (0.082 R)
• M10: 5,720,174 km (0.051 R)
• M11: 6,940,444 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.4

Radius: 5.6

Gravity: 20.01 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.54 AU - 11.9 AU

Year: 20208 Days

Day: 17 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,422,225 km

• M1: 71,059 km (0.028 R)
• M2: 330,761 km (0.106 R)
• M3: 555,756 km (0.073 R)
• M4: 787,932 km (0.11 R)
• M5: 1,376,151 km (0.049 R)
• M6: 2,158,099 km (0.096 R)
• M7: 3,095,629 km (0.116 R)
• M8: 3,451,821 km (0.087 R)
• M9: 4,148,648 km (0.087 R)
• M10: 6,104,491 km (0.104 R)
• M11: 6,532,191 km (0.089 R)
• M12: 7,025,714 km (0.081 R)
• M13: 7,836,834 km (0.097 R)
• M14: 9,417,485 km (0.076 R)
• M15: 10,401,690 km (0.037 R)
• M16: 10,642,841 km (0.083 R)
• M17: 11,262,326 km (0.045 R)
• M18: 16,859,530 km (0.099 R)
• M19: 18,480,573 km (0.107 R)
• M20: 18,657,098 km (0.038 R)
• M21: 18,834,671 km (0.096 R)
• M22: 19,831,591 km (0.094 R)
• M23: 20,958,811 km (0.09 R)
• M24: 23,237,486 km (0.071 R)
• M25: 28,047,207 km (0.12 R)
• M26: 34,940,378 km (0.115 R)
• M27: 40,459,043 km (0.116 R)
• M28: 43,658,343 km (0.104 R)
• M29: 46,368,608 km (0.074 R)
• M30: 47,022,201 km (0.048 R)
• M31: 48,683,037 km (0.094 R)
• M32: 55,718,325 km (0.036 R)
• M33: 67,704,256 km (0.098 R)
• M34: 72,197,428 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.3

Radius: 5.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.42 AU - 10.32 AU

Year: 20678 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,422,225 km

• M1: 64,626 km (0.095 R)
• M2: 232,026 km (0.072 R)
• M3: 1,764,956 km (0.094 R)
• M4: 2,419,746 km (0.118 R)
• M5: 4,358,384 km (0.119 R)
• M6: 7,500,239 km (0.099 R)
• M7: 9,408,808 km (0.113 R)
• M8: 10,424,728 km (0.087 R)
• M9: 11,141,301 km (0.054 R)
• M10: 12,501,744 km (0.118 R)
• M11: 17,880,386 km (0.06 R)
• M12: 20,123,606 km (0.094 R)
• M13: 25,159,519 km (0.108 R)
• M14: 29,144,956 km (0.118 R)
• M15: 31,706,371 km (0.09 R)
• M16: 32,771,658 km (0.117 R)
• M17: 35,995,791 km (0.082 R)
• M18: 38,338,344 km (0.113 R)
• M19: 39,181,627 km (0.109 R)
• M20: 41,912,686 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.3

Radius: 7.4

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.47 AU - 12.27 AU

Year: 22269 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,422,225 km

• M1: 98,286 km (0.115 R)
• M2: 356,193 km (0.068 R)
• M3: 782,696 km (0.12 R)
• M4: 1,093,710 km (0.098 R)
• M5: 1,679,685 km (0.116 R)
• M6: 2,341,057 km (0.12 R)
• M7: 3,488,024 km (0.066 R)
• M8: 4,341,629 km (0.112 R)
• M9: 9,057,553 km (0.099 R)
• M10: 11,864,158 km (0.058 R)
• M11: 13,388,411 km (0.1 R)
• M12: 14,236,930 km (0.049 R)
• M13: 16,384,108 km (0.046 R)
• M14: 28,746,128 km (0.064 R)
• M15: 31,475,392 km (0.078 R)
• M16: 34,372,654 km (0.096 R)
• M17: 36,547,807 km (0.086 R)
• M18: 37,593,646 km (0.094 R)
• M19: 38,047,825 km (0.111 R)
• M20: 38,352,705 km (0.044 R)
• M21: 38,967,403 km (0.08 R)
• M22: 44,628,336 km (0.118 R)
• M23: 48,097,211 km (0.106 R)
• M24: 49,533,650 km (0.069 R)
• M25: 64,634,508 km (0.104 R)
• M26: 67,938,078 km (0.092 R)
• M27: 75,118,776 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 12,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit