🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.3

Radius: 13.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.79 AU - 0.93 AU

Year: 532 Days

Day: 12.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,082,188 km

• M1: 167,849 km (0.042 R)
• M2: 775,815 km (0.08 R)
• M3: 1,270,984 km (0.027 R)
• M4: 2,281,368 km (0.116 R)
• M5: 2,709,666 km (0.104 R)
• M6: 3,290,555 km (0.114 R)
• M7: 3,814,447 km (0.095 R)
• M8: 4,288,223 km (0.066 R)
• M9: 5,200,321 km (0.102 R)
• M10: 6,354,768 km (0.096 R)
• M11: 7,087,498 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.1

Radius: 14.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.84 AU - 1.16 AU

Year: 667 Days

Day: 12.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,082,188 km

• M1: 177,872 km (0.076 R)
• M2: 632,649 km (0.062 R)
• M3: 1,395,000 km (0.12 R)
• M4: 1,858,006 km (0.047 R)
• M5: 2,394,464 km (0.113 R)
• M6: 2,855,524 km (0.075 R)
• M7: 3,429,382 km (0.094 R)
• M8: 4,278,200 km (0.075 R)
• M9: 4,728,041 km (0.074 R)
• M10: 5,517,917 km (0.097 R)
• M11: 6,212,052 km (0.104 R)
• M12: 7,497,995 km (0.078 R)
• M13: 8,107,756 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 13.9

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.95 AU - 1.19 AU

Year: 738 Days

Day: 7.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,082,188 km

• M1: 172,935 km (0.114 R)
• M2: 774,169 km (0.098 R)
• M3: 1,629,869 km (0.094 R)
• M4: 3,132,131 km (0.12 R)
• M5: 3,588,703 km (0.046 R)
• M6: 4,120,823 km (0.05 R)
• M7: 4,912,794 km (0.114 R)
• M8: 5,725,709 km (0.049 R)
• M9: 6,268,001 km (0.069 R)
• M10: 8,005,580 km (0.079 R)
• M11: 8,763,144 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.8

Radius: 11.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.94 AU - 2.42 AU

Year: 2146 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,082,188 km

• M1: 144,212 km (0.059 R)
• M2: 606,320 km (0.112 R)
• M3: 1,012,778 km (0.057 R)
• M4: 1,530,386 km (0.086 R)
• M5: 2,051,436 km (0.107 R)
• M6: 2,590,138 km (0.115 R)
• M7: 3,222,039 km (0.044 R)
• M8: 3,970,627 km (0.083 R)
• M9: 4,907,259 km (0.076 R)
• M10: 5,499,517 km (0.086 R)
• M11: 6,007,252 km (0.03 R)
• M12: 6,408,324 km (0.084 R)
• M13: 7,215,105 km (0.111 R)
• M14: 7,617,673 km (0.048 R)
• M15: 8,440,461 km (0.074 R)
• M16: 9,321,593 km (0.046 R)
• M17: 10,676,052 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 13.9

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.86 AU - 2.86 AU

Year: 2418 Days

Day: 7.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,082,188 km

• M1: 172,935 km (0.078 R)
• M2: 697,575 km (0.072 R)
• M3: 1,379,741 km (0.102 R)
• M4: 2,487,364 km (0.099 R)
• M5: 3,840,626 km (0.076 R)
• M6: 5,153,796 km (0.097 R)
• M7: 6,414,009 km (0.1 R)
• M8: 7,046,808 km (0.114 R)
• M9: 8,073,797 km (0.059 R)
• M10: 9,142,524 km (0.113 R)
• M11: 9,711,295 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.3

Radius: 9.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.7 AU - 5.56 AU

Year: 6644 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,082,188 km

• M1: 120,576 km (0.117 R)
• M2: 823,985 km (0.054 R)
• M3: 1,314,068 km (0.112 R)
• M4: 4,448,143 km (0.099 R)
• M5: 6,172,109 km (0.12 R)
• M6: 8,689,243 km (0.1 R)
• M7: 9,564,689 km (0.116 R)
• M8: 10,124,185 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.4

Radius: 13.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.62 AU - 5.86 AU

Year: 7999 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,082,188 km

• M1: 182,061 km (0.059 R)
• M2: 776,712 km (0.119 R)
• M3: 1,366,726 km (0.107 R)
• M4: 1,789,191 km (0.115 R)
• M5: 3,396,769 km (0.096 R)
• M6: 3,864,263 km (0.101 R)
• M7: 4,618,984 km (0.11 R)
• M8: 6,704,977 km (0.101 R)
• M9: 7,369,490 km (0.069 R)
• M10: 8,158,769 km (0.037 R)
• M11: 15,538,282 km (0.1 R)
• M12: 18,135,899 km (0.074 R)
• M13: 19,648,633 km (0.115 R)
• M14: 23,088,487 km (0.088 R)
• M15: 24,691,129 km (0.062 R)
• M16: 35,896,458 km (0.077 R)
• M17: 37,699,561 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.3

Radius: 6.8

Gravity: 13.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.86 AU - 7.94 AU

Year: 14807 Days

Day: 18.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,082,188 km

• M1: 84,523 km (0.112 R)
• M2: 312,360 km (0.102 R)
• M3: 579,093 km (0.111 R)
• M4: 1,239,418 km (0.103 R)
• M5: 2,280,171 km (0.079 R)
• M6: 2,613,176 km (0.118 R)
• M7: 4,497,959 km (0.074 R)
• M8: 7,014,345 km (0.041 R)
• M9: 7,584,313 km (0.098 R)
• M10: 9,904,277 km (0.092 R)
• M11: 10,175,946 km (0.109 R)
• M12: 10,791,392 km (0.104 R)
• M13: 18,129,616 km (0.101 R)
• M14: 19,538,380 km (0.066 R)
• M15: 20,575,691 km (0.049 R)
• M16: 24,004,923 km (0.118 R)
• M17: 27,475,444 km (0.112 R)
• M18: 28,012,500 km (0.105 R)
• M19: 28,776,198 km (0.076 R)
• M20: 35,645,433 km (0.069 R)
• M21: 37,191,377 km (0.064 R)
• M22: 37,980,805 km (0.102 R)
• M23: 44,555,931 km (0.116 R)
• M24: 46,956,528 km (0.059 R)
• M25: 51,039,203 km (0.089 R)
• M26: 54,673,534 km (0.061 R)
• M27: 57,248,113 km (0.055 R)
• M28: 58,831,008 km (0.077 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 19,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit