🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.9

Radius: 12.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.71 AU - 1.17 AU

Year: 588 Days

Day: 9.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,356,209 km

• M1: 158,873 km (0.092 R)
• M2: 614,099 km (0.049 R)
• M3: 1,043,146 km (0.051 R)
• M4: 1,450,501 km (0.113 R)
• M5: 1,894,059 km (0.111 R)
• M6: 2,310,988 km (0.105 R)
• M7: 2,827,849 km (0.096 R)
• M8: 3,656,471 km (0.059 R)
• M9: 4,337,291 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.9

Radius: 10.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.17 AU - 1.85 AU

Year: 1198 Days

Day: 11 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,356,209 km

• M1: 132,993 km (0.104 R)
• M2: 1,120,488 km (0.059 R)
• M3: 1,588,580 km (0.067 R)
• M4: 1,976,337 km (0.101 R)
• M5: 3,526,471 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.2

Radius: 10.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.4 AU - 3.4 AU

Year: 4048 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,356,209 km

• M1: 240,404 km (0.094 R)
• M2: 575,353 km (0.092 R)
• M3: 1,174,942 km (0.113 R)
• M4: 1,516,025 km (0.043 R)
• M5: 2,016,579 km (0.077 R)
• M6: 3,685,194 km (0.109 R)
• M7: 4,614,346 km (0.115 R)
• M8: 5,353,061 km (0.055 R)
• M9: 7,222,735 km (0.042 R)
• M10: 7,568,306 km (0.102 R)
• M11: 8,544,432 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.4

Radius: 7

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.57 AU - 7.77 AU

Year: 12396 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 149 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,356,209 km

• M1: 87,515 km (0.102 R)
• M2: 330,761 km (0.099 R)
• M3: 964,757 km (0.1 R)
• M4: 1,235,379 km (0.114 R)
• M5: 2,125,038 km (0.046 R)
• M6: 5,346,927 km (0.112 R)
• M7: 5,981,671 km (0.108 R)
• M8: 7,613,933 km (0.119 R)
• M9: 9,323,538 km (0.09 R)
• M10: 9,572,768 km (0.089 R)
• M11: 9,826,336 km (0.111 R)
• M12: 33,361,672 km (0.051 R)
• M13: 33,594,296 km (0.089 R)
• M14: 34,062,986 km (0.109 R)
• M15: 46,082,427 km (0.12 R)
• M16: 51,310,125 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.5

Radius: 5.4

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.08 AU - 8.14 AU

Year: 13555 Days

Day: 20.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,356,209 km

• M1: 68,067 km (0.079 R)
• M2: 439,967 km (0.087 R)
• M3: 666,758 km (0.117 R)
• M4: 1,456,634 km (0.108 R)
• M5: 1,905,129 km (0.067 R)
• M6: 2,915,812 km (0.118 R)
• M7: 3,524,376 km (0.098 R)
• M8: 3,805,919 km (0.11 R)
• M9: 4,772,022 km (0.108 R)
• M10: 7,379,663 km (0.101 R)
• M11: 9,292,272 km (0.086 R)
• M12: 10,544,107 km (0.108 R)
• M13: 14,446,068 km (0.055 R)
• M14: 15,774,497 km (0.033 R)
• M15: 16,751,670 km (0.052 R)
• M16: 18,672,058 km (0.11 R)
• M17: 22,334,513 km (0.102 R)
• M18: 22,594,514 km (0.038 R)
• M19: 23,744,174 km (0.105 R)
• M20: 31,908,777 km (0.115 R)
• M21: 32,904,949 km (0.058 R)
• M22: 33,921,616 km (0.064 R)
• M23: 34,959,078 km (0.116 R)
• M24: 36,017,483 km (0.077 R)
• M25: 37,461,850 km (0.035 R)
• M26: 40,465,326 km (0.113 R)
• M27: 45,265,623 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857

Radius: 4.6

Gravity: 40.5 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.39 AU - 13.59 AU

Year: 23524 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,356,209 km

• M1: 61,485 km (0.083 R)
• M2: 239,805 km (0.12 R)
• M3: 580,889 km (0.101 R)
• M4: 902,674 km (0.066 R)
• M5: 1,056,161 km (0.045 R)
• M6: 1,319,304 km (0.103 R)
• M7: 1,466,658 km (0.114 R)
• M8: 2,192,955 km (0.064 R)
• M9: 2,353,773 km (0.118 R)
• M10: 3,871,892 km (0.114 R)
• M11: 4,460,410 km (0.067 R)
• M12: 6,582,606 km (0.084 R)
• M13: 7,676,465 km (0.089 R)
• M14: 7,940,954 km (0.098 R)
• M15: 8,943,858 km (0.089 R)
• M16: 9,118,888 km (0.088 R)
• M17: 9,841,894 km (0.096 R)
• M18: 11,197,849 km (0.119 R)
• M19: 11,469,519 km (0.099 R)
• M20: 12,747,085 km (0.035 R)
• M21: 15,330,042 km (0.119 R)
• M22: 18,055,715 km (0.07 R)
• M23: 21,502,001 km (0.108 R)
• M24: 23,213,999 km (0.12 R)
• M25: 23,544,760 km (0.114 R)
• M26: 25,362,374 km (0.103 R)
• M27: 27,887,137 km (0.108 R)
• M28: 31,912,667 km (0.113 R)
• M29: 33,289,565 km (0.088 R)
• M30: 38,882,880 km (0.063 R)
• M31: 43,216,880 km (0.086 R)
• M32: 53,019,131 km (0.1 R)
• M33: 53,977,455 km (0.09 R)
• M34: 61,010,948 km (0.109 R)
• M35: 62,063,070 km (0.087 R)
• M36: 66,171,477 km (0.027 R)
• M37: 71,615,343 km (0.113 R)
• M38: 73,021,413 km (0.084 R)
• M39: 73,968,966 km (0.119 R)
• M40: 75,405,704 km (0.066 R)
• M41: 81,338,606 km (0.052 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 13,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit