🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.2

Radius: 10.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.67 AU - 0.89 AU

Year: 459 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,550,906 km

• M1: 133,292 km (0.073 R)
• M2: 496,216 km (0.069 R)
• M3: 835,355 km (0.081 R)
• M4: 1,181,823 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.4

Radius: 13.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.04 AU - 1.08 AU

Year: 728 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,550,906 km

• M1: 167,849 km (0.067 R)
• M2: 624,721 km (0.108 R)
• M3: 1,153,998 km (0.074 R)
• M4: 2,008,501 km (0.114 R)
• M5: 2,434,406 km (0.079 R)
• M6: 3,178,207 km (0.117 R)
• M7: 3,668,439 km (0.103 R)
• M8: 4,989,089 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.9

Radius: 8.7

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.24 AU - 1.54 AU

Year: 1093 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,550,906 km

• M1: 108,159 km (0.073 R)
• M2: 443,857 km (0.111 R)
• M3: 791,223 km (0.117 R)
• M4: 1,248,394 km (0.084 R)
• M5: 1,588,430 km (0.082 R)
• M6: 2,029,894 km (0.105 R)
• M7: 2,346,143 km (0.08 R)
• M8: 2,634,718 km (0.088 R)
• M9: 2,921,198 km (0.11 R)
• M10: 3,214,709 km (0.094 R)
• M11: 3,892,985 km (0.039 R)
• M12: 4,249,627 km (0.102 R)
• M13: 4,539,996 km (0.105 R)
• M14: 4,917,132 km (0.111 R)
• M15: 5,256,869 km (0.066 R)
• M16: 5,531,980 km (0.108 R)
• M17: 6,047,195 km (0.098 R)
• M18: 6,914,414 km (0.114 R)
• M19: 7,586,557 km (0.093 R)
• M20: 8,894,341 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.4

Radius: 10.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.33 AU - 2.39 AU

Year: 2418 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,550,906 km

• M1: 126,859 km (0.1 R)
• M2: 578,944 km (0.08 R)
• M3: 959,371 km (0.088 R)
• M4: 1,667,119 km (0.075 R)
• M5: 2,572,784 km (0.072 R)
• M6: 6,337,714 km (0.118 R)
• M7: 6,761,525 km (0.102 R)
• M8: 7,284,369 km (0.104 R)
• M9: 8,589,760 km (0.113 R)
• M10: 10,347,685 km (0.102 R)
• M11: 10,831,035 km (0.115 R)
• M12: 12,333,746 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.4

Radius: 13

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.86 AU - 3.32 AU

Year: 3622 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,550,906 km

• M1: 161,715 km (0.118 R)
• M2: 679,025 km (0.076 R)
• M3: 1,229,844 km (0.114 R)
• M4: 1,795,324 km (0.111 R)
• M5: 2,220,780 km (0.071 R)
• M6: 2,840,714 km (0.108 R)
• M7: 4,027,324 km (0.078 R)
• M8: 5,098,595 km (0.099 R)
• M9: 5,623,534 km (0.094 R)
• M10: 6,157,000 km (0.096 R)
• M11: 7,356,774 km (0.069 R)
• M12: 8,882,074 km (0.061 R)
• M13: 12,152,733 km (0.104 R)
• M14: 15,527,212 km (0.107 R)
• M15: 17,179,819 km (0.116 R)
• M16: 17,624,724 km (0.084 R)
• M17: 18,479,675 km (0.092 R)
• M18: 19,481,832 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.5

Radius: 5.9

Gravity: 20.7 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.93 AU - 7.61 AU

Year: 11747 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 70.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,550,906 km

• M1: 73,453 km (0.104 R)
• M2: 487,689 km (0.05 R)
• M3: 682,465 km (0.073 R)
• M4: 950,994 km (0.097 R)
• M5: 1,188,256 km (0.054 R)
• M6: 1,551,330 km (0.093 R)
• M7: 2,560,068 km (0.088 R)
• M8: 3,781,385 km (0.108 R)
• M9: 4,204,448 km (0.079 R)
• M10: 4,690,043 km (0.097 R)
• M11: 10,216,188 km (0.114 R)
• M12: 11,260,830 km (0.113 R)
• M13: 11,663,099 km (0.091 R)
• M14: 12,679,916 km (0.109 R)
• M15: 14,347,333 km (0.08 R)
• M16: 16,593,545 km (0.057 R)
• M17: 17,493,077 km (0.117 R)
• M18: 18,267,097 km (0.094 R)
• M19: 18,742,519 km (0.053 R)
• M20: 20,301,927 km (0.079 R)
• M21: 23,028,947 km (0.096 R)
• M22: 24,719,403 km (0.03 R)
• M23: 25,106,113 km (0.09 R)
• M24: 34,786,292 km (0.118 R)
• M25: 36,505,172 km (0.104 R)
• M26: 45,375,727 km (0.119 R)
• M27: 49,536,792 km (0.107 R)
• M28: 50,305,575 km (0.111 R)
• M29: 51,082,437 km (0.046 R)
• M30: 52,500,625 km (0.094 R)

Asteroid Belt

Center: 7.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.2

Radius: 7.8

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.28 AU - 8.04 AU

Year: 14138 Days

Day: 23.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,550,906 km

• M1: 97,538 km (0.074 R)
• M2: 374,294 km (0.091 R)
• M3: 760,256 km (0.056 R)
• M4: 1,118,543 km (0.114 R)
• M5: 1,663,828 km (0.057 R)
• M6: 1,997,431 km (0.091 R)
• M7: 2,335,372 km (0.068 R)
• M8: 3,970,477 km (0.099 R)
• M9: 4,445,450 km (0.054 R)
• M10: 4,696,924 km (0.028 R)
• M11: 4,957,823 km (0.118 R)
• M12: 6,254,388 km (0.052 R)
• M13: 6,939,546 km (0.114 R)
• M14: 7,278,684 km (0.113 R)
• M15: 9,918,937 km (0.049 R)
• M16: 10,681,138 km (0.086 R)
• M17: 11,896,771 km (0.112 R)
• M18: 12,694,127 km (0.107 R)
• M19: 14,326,838 km (0.064 R)
• M20: 14,738,532 km (0.106 R)
• M21: 16,316,191 km (0.047 R)
• M22: 18,162,378 km (0.094 R)
• M23: 21,452,335 km (0.032 R)
• M24: 22,910,016 km (0.065 R)
• M25: 24,529,862 km (0.05 R)
• M26: 25,218,461 km (0.111 R)
• M27: 26,428,857 km (0.042 R)
• M28: 30,404,720 km (0.091 R)
• M29: 31,313,976 km (0.115 R)
• M30: 34,150,202 km (0.109 R)
• M31: 35,132,462 km (0.115 R)
• M32: 35,380,944 km (0.096 R)
• M33: 37,800,240 km (0.081 R)
• M34: 39,250,293 km (0.102 R)
• M35: 40,736,847 km (0.108 R)
• M36: 42,965,855 km (0.111 R)
• M37: 48,582,806 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 13,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit