🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.3

Radius: 10.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.6 AU - 0.98 AU

Year: 476 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,423,893 km

• M1: 128,654 km (0.118 R)
• M2: 496,216 km (0.07 R)
• M3: 883,974 km (0.097 R)
• M4: 1,212,640 km (0.111 R)
• M5: 1,865,635 km (0.079 R)
• M6: 2,449,067 km (0.111 R)
• M7: 2,955,456 km (0.105 R)
• M8: 3,518,692 km (0.057 R)
• M9: 4,098,832 km (0.102 R)
• M10: 5,547,538 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.2

Radius: 12.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.78 AU - 1 AU

Year: 569 Days

Day: 7.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,423,893 km

• M1: 156,779 km (0.082 R)
• M2: 562,937 km (0.073 R)
• M3: 964,158 km (0.117 R)
• M4: 1,857,258 km (0.094 R)
• M5: 2,268,801 km (0.111 R)
• M6: 2,898,758 km (0.087 R)
• M7: 3,368,944 km (0.107 R)
• M8: 3,862,019 km (0.062 R)
• M9: 4,464,599 km (0.089 R)
• M10: 5,078,399 km (0.118 R)
• M11: 5,914,801 km (0.085 R)
• M12: 6,435,551 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.8

Radius: 8.4

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.82 AU - 1.08 AU

Year: 628 Days

Day: 10.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,423,893 km

• M1: 104,419 km (0.112 R)
• M2: 435,629 km (0.083 R)
• M3: 961,316 km (0.077 R)
• M4: 1,278,463 km (0.119 R)
• M5: 1,744,012 km (0.088 R)
• M6: 2,138,801 km (0.079 R)
• M7: 2,519,228 km (0.047 R)
• M8: 2,898,758 km (0.104 R)
• M9: 3,205,134 km (0.1 R)
• M10: 4,052,606 km (0.108 R)
• M11: 4,345,968 km (0.098 R)
• M12: 4,653,541 km (0.088 R)
• M13: 5,041,897 km (0.103 R)
• M14: 5,347,226 km (0.082 R)
• M15: 6,184,226 km (0.1 R)
• M16: 6,815,978 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.3

Radius: 12.6

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.89 AU - 3.15 AU

Year: 2713 Days

Day: 7.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,423,893 km

• M1: 156,629 km (0.092 R)
• M2: 1,586,037 km (0.084 R)
• M3: 2,357,962 km (0.102 R)
• M4: 3,701,351 km (0.118 R)
• M5: 7,060,720 km (0.105 R)
• M6: 9,228,543 km (0.081 R)
• M7: 10,381,344 km (0.103 R)
• M8: 11,663,847 km (0.084 R)
• M9: 12,779,099 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 12.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.39 AU - 3.87 AU

Year: 4691 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,423,893 km

• M1: 155,432 km (0.094 R)
• M2: 682,914 km (0.094 R)
• M3: 1,086,081 km (0.115 R)
• M4: 1,600,697 km (0.101 R)
• M5: 2,010,895 km (0.091 R)
• M6: 3,368,944 km (0.046 R)
• M7: 4,012,514 km (0.062 R)
• M8: 4,553,460 km (0.116 R)
• M9: 5,020,953 km (0.105 R)
• M10: 5,916,745 km (0.086 R)
• M11: 7,568,007 km (0.08 R)
• M12: 7,991,817 km (0.117 R)
• M13: 9,696,186 km (0.091 R)
• M14: 10,196,890 km (0.078 R)
• M15: 10,593,773 km (0.049 R)
• M16: 11,083,557 km (0.03 R)
• M17: 12,064,919 km (0.117 R)
• M18: 12,509,224 km (0.086 R)
• M19: 17,237,714 km (0.041 R)
• M20: 21,972,486 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 11

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.48 AU - 5.5 AU

Year: 7560 Days

Day: 6.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,423,893 km

• M1: 136,882 km (0.102 R)
• M2: 985,700 km (0.118 R)
• M3: 1,556,865 km (0.104 R)
• M4: 2,026,902 km (0.095 R)
• M5: 3,191,671 km (0.055 R)
• M6: 3,618,922 km (0.096 R)
• M7: 5,317,008 km (0.057 R)
• M8: 5,660,933 km (0.087 R)
• M9: 6,086,539 km (0.108 R)
• M10: 9,373,204 km (0.041 R)
• M11: 9,737,774 km (0.07 R)
• M12: 10,254,485 km (0.091 R)
• M13: 12,181,755 km (0.106 R)
• M14: 13,061,390 km (0.076 R)
• M15: 13,632,405 km (0.068 R)
• M16: 15,132,722 km (0.096 R)
• M17: 19,767,414 km (0.104 R)
• M18: 20,292,502 km (0.118 R)
• M19: 22,730,798 km (0.12 R)
• M20: 23,977,996 km (0.104 R)
• M21: 24,575,489 km (0.117 R)
• M22: 25,008,276 km (0.079 R)
• M23: 25,622,674 km (0.12 R)
• M24: 27,248,953 km (0.11 R)
• M25: 35,096,857 km (0.105 R)
• M26: 36,089,439 km (0.035 R)
• M27: 38,361,831 km (0.092 R)
• M28: 38,710,693 km (0.101 R)
• M29: 39,061,799 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.1

Radius: 3.3

Gravity: 36.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.38 AU - 6.92 AU

Year: 10344 Days

Day: 22.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,423,893 km

• M1: 41,439 km (0.091 R)
• M2: 155,432 km (0.093 R)
• M3: 505,790 km (0.087 R)
• M4: 1,520,812 km (0.026 R)
• M5: 1,716,636 km (0.04 R)
• M6: 1,960,779 km (0.079 R)
• M7: 2,731,657 km (0.114 R)
• M8: 2,894,719 km (0.076 R)
• M9: 3,042,521 km (0.031 R)
• M10: 4,900,677 km (0.105 R)
• M11: 5,517,618 km (0.109 R)
• M12: 5,844,938 km (0.101 R)
• M13: 7,206,877 km (0.084 R)
• M14: 7,322,666 km (0.097 R)
• M15: 10,939,344 km (0.096 R)
• M16: 11,143,695 km (0.08 R)
• M17: 11,612,834 km (0.088 R)
• M18: 12,313,401 km (0.083 R)
• M19: 13,098,939 km (0.085 R)
• M20: 15,081,560 km (0.11 R)
• M21: 15,979,895 km (0.039 R)
• M22: 21,887,066 km (0.076 R)
• M23: 22,211,544 km (0.05 R)
• M24: 22,621,592 km (0.057 R)
• M25: 24,923,454 km (0.114 R)
• M26: 25,994,724 km (0.085 R)
• M27: 28,420,603 km (0.055 R)
• M28: 35,804,605 km (0.111 R)
• M29: 36,595,080 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.5

Radius: 5

Gravity: 28.58 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.01 AU - 8.17 AU

Year: 14183 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 31,423,893 km

• M1: 62,382 km (0.105 R)
• M2: 277,504 km (0.106 R)
• M3: 463,005 km (0.078 R)
• M4: 878,289 km (0.093 R)
• M5: 1,102,686 km (0.1 R)
• M6: 1,652,009 km (0.115 R)
• M7: 1,853,218 km (0.11 R)
• M8: 2,851,335 km (0.112 R)
• M9: 3,560,429 km (0.058 R)
• M10: 4,603,874 km (0.102 R)
• M11: 5,004,348 km (0.102 R)
• M12: 5,913,005 km (0.098 R)
• M13: 7,633,231 km (0.083 R)
• M14: 18,252,586 km (0.034 R)
• M15: 18,581,851 km (0.117 R)
• M16: 18,831,380 km (0.076 R)
• M17: 19,679,301 km (0.075 R)
• M18: 22,469,151 km (0.042 R)
• M19: 24,402,554 km (0.074 R)
• M20: 25,003,639 km (0.115 R)
• M21: 25,820,144 km (0.114 R)
• M22: 29,489,630 km (0.107 R)
• M23: 31,213,446 km (0.103 R)
• M24: 33,985,345 km (0.089 R)
• M25: 34,483,506 km (0.091 R)
• M26: 35,113,163 km (0.074 R)
• M27: 36,136,562 km (0.077 R)
• M28: 37,179,559 km (0.108 R)
• M29: 38,242,601 km (0.111 R)
• M30: 40,428,974 km (0.09 R)
• M31: 41,694,722 km (0.092 R)
• M32: 44,899,557 km (0.085 R)
• M33: 53,286,612 km (0.067 R)
• M34: 55,664,470 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.9

Radius: 3.4

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.32 AU - 9.08 AU

Year: 14492 Days

Day: 17.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,423,893 km

• M1: 42,336 km (0.091 R)
• M2: 154,684 km (0.069 R)
• M3: 271,371 km (0.041 R)
• M4: 492,626 km (0.038 R)
• M5: 687,851 km (0.115 R)
• M6: 1,606,232 km (0.092 R)
• M7: 2,715,501 km (0.053 R)
• M8: 2,998,390 km (0.117 R)
• M9: 3,156,964 km (0.116 R)
• M10: 3,556,390 km (0.064 R)
• M11: 3,825,517 km (0.103 R)
• M12: 4,328,764 km (0.091 R)
• M13: 5,291,875 km (0.09 R)
• M14: 5,582,993 km (0.103 R)
• M15: 7,485,279 km (0.026 R)
• M16: 7,630,539 km (0.103 R)
• M17: 7,926,593 km (0.102 R)
• M18: 10,852,428 km (0.109 R)
• M19: 12,350,950 km (0.06 R)
• M20: 15,691,620 km (0.045 R)
• M21: 16,473,867 km (0.079 R)
• M22: 20,282,629 km (0.08 R)
• M23: 21,720,863 km (0.116 R)
• M24: 22,090,818 km (0.116 R)
• M25: 22,919,441 km (0.116 R)
• M26: 25,611,455 km (0.065 R)
• M27: 28,418,509 km (0.09 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 12,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit