🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.4

Radius: 8.3

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.03 AU - 1.19 AU

Year: 744 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,796,112 km

• M1: 103,223 km (0.078 R)
• M2: 439,369 km (0.105 R)
• M3: 739,163 km (0.078 R)
• M4: 1,147,266 km (0.109 R)
• M5: 1,411,755 km (0.073 R)
• M6: 1,742,666 km (0.084 R)
• M7: 2,038,869 km (0.112 R)
• M8: 2,326,696 km (0.047 R)
• M9: 2,585,500 km (0.076 R)
• M10: 2,924,040 km (0.118 R)
• M11: 3,292,200 km (0.099 R)
• M12: 3,662,455 km (0.106 R)
• M13: 4,152,538 km (0.09 R)
• M14: 4,787,431 km (0.112 R)
• M15: 5,410,805 km (0.096 R)
• M16: 5,868,724 km (0.094 R)
• M17: 6,753,745 km (0.096 R)
• M18: 7,630,987 km (0.078 R)
• M19: 8,405,755 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20

Radius: 8.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.22 AU - 1.6 AU

Year: 1065 Days

Day: 13.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 88,796,112 km

• M1: 108,309 km (0.115 R)
• M2: 647,460 km (0.057 R)
• M3: 1,432,100 km (0.103 R)
• M4: 3,248,368 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.6

Radius: 10.5

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.59 AU - 5.79 AU

Year: 7518 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 88,796,112 km

• M1: 130,599 km (0.09 R)
• M2: 918,830 km (0.109 R)
• M3: 1,372,710 km (0.056 R)
• M4: 1,741,918 km (0.051 R)
• M5: 2,194,152 km (0.091 R)
• M6: 2,538,377 km (0.073 R)
• M7: 4,065,921 km (0.117 R)
• M8: 4,840,239 km (0.079 R)
• M9: 6,066,194 km (0.112 R)
• M10: 6,787,255 km (0.052 R)
• M11: 7,719,250 km (0.117 R)
• M12: 9,340,293 km (0.088 R)
• M13: 10,113,714 km (0.109 R)
• M14: 10,685,028 km (0.12 R)
• M15: 11,328,000 km (0.118 R)
• M16: 12,207,485 km (0.11 R)
• M17: 13,639,885 km (0.058 R)
• M18: 15,242,826 km (0.064 R)
• M19: 15,615,475 km (0.047 R)
• M20: 20,877,580 km (0.094 R)
• M21: 21,647,709 km (0.068 R)
• M22: 23,988,767 km (0.11 R)
• M23: 27,123,440 km (0.072 R)
• M24: 29,358,881 km (0.102 R)
• M25: 32,834,937 km (0.094 R)
• M26: 37,582,426 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.5

Radius: 10.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.89 AU - 6.25 AU

Year: 8358 Days

Day: 6.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,796,112 km

• M1: 132,693 km (0.09 R)
• M2: 466,297 km (0.108 R)
• M3: 1,292,974 km (0.112 R)
• M4: 1,649,915 km (0.087 R)
• M5: 2,695,604 km (0.107 R)
• M6: 3,061,371 km (0.097 R)
• M7: 3,615,930 km (0.112 R)
• M8: 4,261,744 km (0.051 R)
• M9: 5,211,541 km (0.097 R)
• M10: 6,296,574 km (0.114 R)
• M11: 7,341,366 km (0.074 R)
• M12: 10,087,085 km (0.045 R)
• M13: 11,663,697 km (0.071 R)
• M14: 14,299,163 km (0.05 R)
• M15: 15,239,385 km (0.068 R)
• M16: 19,557,827 km (0.103 R)
• M17: 25,214,123 km (0.1 R)
• M18: 27,556,077 km (0.113 R)
• M19: 31,873,921 km (0.056 R)
• M20: 32,269,457 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.4

Radius: 14.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.6 AU - 6.04 AU

Year: 8927 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,796,112 km

• M1: 180,265 km (0.064 R)
• M2: 789,129 km (0.1 R)
• M3: 1,744,311 km (0.044 R)
• M4: 2,344,199 km (0.111 R)
• M5: 3,504,330 km (0.069 R)
• M6: 4,048,717 km (0.046 R)
• M7: 4,831,862 km (0.102 R)
• M8: 5,475,432 km (0.041 R)
• M9: 6,249,301 km (0.103 R)
• M10: 10,720,483 km (0.104 R)
• M11: 11,426,585 km (0.116 R)
• M12: 12,337,935 km (0.077 R)
• M13: 13,921,877 km (0.103 R)
• M14: 15,229,811 km (0.086 R)
• M15: 18,013,828 km (0.111 R)
• M16: 19,091,231 km (0.093 R)
• M17: 23,024,159 km (0.105 R)
• M18: 24,477,952 km (0.101 R)
• M19: 26,185,761 km (0.069 R)
• M20: 30,693,294 km (0.12 R)
• M21: 33,932,088 km (0.069 R)
• M22: 34,395,991 km (0.091 R)
• M23: 36,173,513 km (0.119 R)
• M24: 41,212,568 km (0.11 R)
• M25: 44,174,306 km (0.067 R)
• M26: 45,566,464 km (0.102 R)
• M27: 46,131,346 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197

Radius: 5.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.21 AU - 11.15 AU

Year: 19149 Days

Day: 19.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,796,112 km

• M1: 115,340 km (0.045 R)
• M2: 426,653 km (0.068 R)
• M3: 1,246,898 km (0.119 R)
• M4: 1,622,838 km (0.067 R)
• M5: 2,250,550 km (0.066 R)
• M6: 2,786,560 km (0.08 R)
• M7: 3,188,828 km (0.091 R)
• M8: 3,603,514 km (0.113 R)
• M9: 4,451,434 km (0.107 R)
• M10: 5,161,276 km (0.095 R)
• M11: 5,594,512 km (0.107 R)
• M12: 6,920,996 km (0.117 R)
• M13: 8,904,514 km (0.108 R)
• M14: 10,594,072 km (0.043 R)
• M15: 11,569,750 km (0.088 R)
• M16: 12,962,207 km (0.046 R)
• M17: 17,507,738 km (0.064 R)
• M18: 26,057,705 km (0.099 R)
• M19: 39,131,512 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.3

Radius: 3.6

Gravity: 66.54 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.24 AU - 12.3 AU

Year: 22473 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,796,112 km

• M1: 44,879 km (0.11 R)
• M2: 183,257 km (0.073 R)
• M3: 465,549 km (0.102 R)
• M4: 682,765 km (0.044 R)
• M5: 926,759 km (0.059 R)
• M6: 1,167,462 km (0.083 R)
• M7: 1,931,159 km (0.075 R)
• M8: 2,562,911 km (0.108 R)
• M9: 4,116,933 km (0.087 R)
• M10: 4,650,549 km (0.105 R)
• M11: 4,953,335 km (0.074 R)
• M12: 6,526,656 km (0.109 R)
• M13: 7,451,320 km (0.101 R)
• M14: 7,918,514 km (0.118 R)
• M15: 10,614,717 km (0.061 R)
• M16: 12,096,933 km (0.094 R)
• M17: 12,452,078 km (0.118 R)
• M18: 13,034,762 km (0.096 R)
• M19: 14,730,454 km (0.115 R)
• M20: 16,308,561 km (0.067 R)
• M21: 19,992,110 km (0.101 R)
• M22: 20,189,579 km (0.089 R)
• M23: 20,789,915 km (0.114 R)
• M24: 22,662,133 km (0.083 R)
• M25: 23,639,156 km (0.083 R)
• M26: 33,726,242 km (0.066 R)
• M27: 43,306,040 km (0.106 R)
• M28: 43,802,705 km (0.053 R)
• M29: 44,638,808 km (0.12 R)
• M30: 54,165,350 km (0.12 R)
• M31: 63,034,409 km (0.113 R)
• M32: 63,246,539 km (0.059 R)
• M33: 66,704,943 km (0.042 R)
• M34: 69,380,052 km (0.107 R)
• M35: 71,894,044 km (0.085 R)
• M36: 75,419,318 km (0.106 R)
• M37: 86,160,146 km (0.089 R)
• M38: 86,945,385 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 11,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit