🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 13.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.55 AU - 0.89 AU

Year: 401 Days

Day: 10.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,471,087 km

• M1: 172,935 km (0.064 R)
• M2: 668,104 km (0.069 R)
• M3: 1,244,205 km (0.072 R)
• M4: 1,735,634 km (0.114 R)
• M5: 2,191,459 km (0.109 R)
• M6: 2,709,217 km (0.09 R)
• M7: 3,265,572 km (0.109 R)
• M8: 3,909,890 km (0.052 R)
• M9: 4,707,247 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 9

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.69 AU - 1.97 AU

Year: 1624 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,471,087 km

• M1: 112,198 km (0.114 R)
• M2: 415,284 km (0.118 R)
• M3: 759,808 km (0.111 R)
• M4: 1,044,193 km (0.115 R)
• M5: 1,332,169 km (0.109 R)
• M6: 1,714,541 km (0.083 R)
• M7: 2,342,703 km (0.115 R)
• M8: 3,194,663 km (0.104 R)
• M9: 3,657,070 km (0.1 R)
• M10: 3,977,658 km (0.102 R)
• M11: 5,032,173 km (0.066 R)
• M12: 5,590,024 km (0.111 R)
• M13: 6,490,453 km (0.101 R)
• M14: 6,881,951 km (0.084 R)
• M15: 7,712,369 km (0.098 R)
• M16: 8,211,726 km (0.086 R)
• M17: 8,577,044 km (0.06 R)
• M18: 8,921,419 km (0.106 R)
• M19: 9,806,140 km (0.117 R)
• M20: 10,357,409 km (0.117 R)
• M21: 11,296,883 km (0.108 R)
• M22: 12,811,412 km (0.095 R)
• M23: 13,723,061 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 8.8

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.13 AU - 3.39 AU

Year: 3008 Days

Day: 8.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,471,087 km

• M1: 110,553 km (0.048 R)
• M2: 420,220 km (0.03 R)
• M3: 837,150 km (0.095 R)
• M4: 1,124,228 km (0.066 R)
• M5: 2,246,661 km (0.066 R)
• M6: 2,799,724 km (0.118 R)
• M7: 3,478,150 km (0.059 R)
• M8: 3,968,084 km (0.11 R)
• M9: 5,110,114 km (0.064 R)
• M10: 5,587,181 km (0.075 R)
• M11: 6,011,740 km (0.113 R)
• M12: 6,601,604 km (0.084 R)
• M13: 8,849,013 km (0.073 R)
• M14: 9,800,306 km (0.095 R)
• M15: 10,537,524 km (0.091 R)
• M16: 13,340,689 km (0.077 R)
• M17: 16,019,239 km (0.076 R)
• M18: 17,652,698 km (0.029 R)
• M19: 20,183,296 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.8

Radius: 10

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.94 AU - 3.54 AU

Year: 3826 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,471,087 km

• M1: 126,261 km (0.084 R)
• M2: 1,126,921 km (0.107 R)
• M3: 1,617,751 km (0.113 R)
• M4: 2,046,648 km (0.085 R)
• M5: 2,611,680 km (0.099 R)
• M6: 6,817,923 km (0.11 R)
• M7: 7,652,529 km (0.11 R)
• M8: 8,519,000 km (0.103 R)
• M9: 10,210,503 km (0.114 R)
• M10: 12,603,621 km (0.067 R)
• M11: 13,525,443 km (0.075 R)
• M12: 14,245,756 km (0.099 R)
• M13: 16,723,396 km (0.05 R)
• M14: 18,178,984 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.6

Radius: 9.1

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.71 AU - 4.51 AU

Year: 4500 Days

Day: 11.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,471,087 km

• M1: 113,246 km (0.091 R)
• M2: 396,883 km (0.1 R)
• M3: 709,244 km (0.1 R)
• M4: 1,139,637 km (0.073 R)
• M5: 1,490,144 km (0.106 R)
• M6: 1,925,175 km (0.098 R)
• M7: 2,413,313 km (0.079 R)
• M8: 3,577,483 km (0.063 R)
• M9: 3,988,728 km (0.12 R)
• M10: 6,567,347 km (0.116 R)
• M11: 6,933,861 km (0.101 R)
• M12: 7,249,513 km (0.098 R)
• M13: 11,606,102 km (0.117 R)
• M14: 12,007,024 km (0.103 R)
• M15: 12,463,298 km (0.072 R)
• M16: 14,303,352 km (0.065 R)
• M17: 15,129,730 km (0.088 R)
• M18: 16,428,539 km (0.088 R)
• M19: 17,450,292 km (0.079 R)
• M20: 20,445,990 km (0.119 R)
• M21: 21,228,835 km (0.093 R)
• M22: 21,627,663 km (0.102 R)
• M23: 22,303,397 km (0.12 R)
• M24: 23,132,917 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 11.5

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.2 AU - 4.76 AU

Year: 6221 Days

Day: 10.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,471,087 km

• M1: 143,165 km (0.09 R)
• M2: 517,908 km (0.075 R)
• M3: 902,075 km (0.118 R)
• M4: 1,612,515 km (0.047 R)
• M5: 2,053,680 km (0.117 R)
• M6: 4,236,761 km (0.106 R)
• M7: 4,690,192 km (0.096 R)
• M8: 6,181,982 km (0.053 R)
• M9: 7,091,687 km (0.116 R)
• M10: 8,704,651 km (0.119 R)
• M11: 12,373,240 km (0.089 R)
• M12: 15,992,312 km (0.116 R)
• M13: 17,029,922 km (0.109 R)
• M14: 18,459,180 km (0.061 R)
• M15: 24,810,508 km (0.1 R)
• M16: 26,823,796 km (0.098 R)
• M17: 28,194,112 km (0.097 R)
• M18: 29,419,020 km (0.098 R)
• M19: 34,038,901 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.9

Radius: 3.4

Gravity: 58.38 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.41 AU - 6.57 AU

Year: 9617 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 46,471,087 km

• M1: 42,336 km (0.073 R)
• M2: 386,561 km (0.116 R)
• M3: 776,413 km (0.112 R)
• M4: 997,369 km (0.034 R)
• M5: 2,067,293 km (0.082 R)
• M6: 2,337,317 km (0.096 R)
• M7: 2,471,207 km (0.107 R)
• M8: 3,408,887 km (0.042 R)
• M9: 4,473,575 km (0.065 R)
• M10: 4,650,399 km (0.114 R)
• M11: 5,742,015 km (0.088 R)
• M12: 6,646,185 km (0.08 R)
• M13: 7,232,010 km (0.103 R)
• M14: 8,822,834 km (0.119 R)
• M15: 9,385,172 km (0.114 R)
• M16: 9,577,854 km (0.104 R)
• M17: 10,684,729 km (0.093 R)
• M18: 11,000,829 km (0.097 R)
• M19: 12,099,625 km (0.101 R)
• M20: 12,910,895 km (0.078 R)
• M21: 14,705,471 km (0.083 R)
• M22: 15,763,427 km (0.106 R)
• M23: 16,800,439 km (0.077 R)
• M24: 17,589,269 km (0.097 R)
• M25: 20,103,261 km (0.069 R)
• M26: 25,268,876 km (0.094 R)
• M27: 25,829,419 km (0.111 R)
• M28: 31,252,790 km (0.1 R)
• M29: 32,994,259 km (0.046 R)
• M30: 34,342,136 km (0.116 R)
• M31: 34,684,865 km (0.088 R)
• M32: 37,027,418 km (0.066 R)
• M33: 37,147,246 km (0.109 R)
• M34: 39,598,257 km (0.106 R)
• M35: 40,227,466 km (0.084 R)
• M36: 41,248,022 km (0.1 R)
• M37: 46,331,957 km (0.12 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: 518 - 19,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit