🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.3

Radius: 13.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.74 AU - 1.18 AU

Year: 638 Days

Day: 10 Hours

Environment

Temp: -173 °C

Axial Tilt: 156.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,454,325 km

• M1: 165,455 km (0.087 R)
• M2: 641,775 km (0.061 R)
• M3: 1,076,057 km (0.11 R)
• M4: 1,809,536 km (0.11 R)
• M5: 3,261,234 km (0.069 R)
• M6: 4,028,072 km (0.1 R)
• M7: 4,566,325 km (0.113 R)
• M8: 5,121,932 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 10.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.82 AU - 1.2 AU

Year: 688 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,454,325 km

• M1: 129,402 km (0.1 R)
• M2: 467,344 km (0.063 R)
• M3: 900,878 km (0.116 R)
• M4: 1,432,400 km (0.072 R)
• M5: 1,920,388 km (0.081 R)
• M6: 2,811,842 km (0.101 R)
• M7: 6,065,894 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.6

Radius: 12.2

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.12 AU - 1.82 AU

Year: 1209 Days

Day: 13.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,454,325 km

• M1: 153,188 km (0.104 R)
• M2: 547,977 km (0.12 R)
• M3: 967,449 km (0.068 R)
• M4: 1,365,978 km (0.115 R)
• M5: 1,837,062 km (0.05 R)
• M6: 2,850,438 km (0.066 R)
• M7: 3,336,481 km (0.079 R)
• M8: 3,811,155 km (0.089 R)
• M9: 5,076,753 km (0.102 R)
• M10: 6,628,981 km (0.087 R)
• M11: 7,383,403 km (0.091 R)
• M12: 8,855,296 km (0.065 R)
• M13: 10,057,465 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.1 AU - 2.3 AU

Year: 2213 Days

Day: 11.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,454,325 km

• M1: 111,899 km (0.074 R)
• M2: 410,945 km (0.093 R)
• M3: 694,733 km (0.078 R)
• M4: 1,124,826 km (0.097 R)
• M5: 2,426,178 km (0.031 R)
• M6: 3,286,516 km (0.096 R)
• M7: 3,631,638 km (0.118 R)
• M8: 4,110,949 km (0.067 R)
• M9: 5,174,590 km (0.064 R)
• M10: 7,440,998 km (0.117 R)
• M11: 9,042,593 km (0.104 R)
• M12: 9,558,257 km (0.106 R)
• M13: 12,514,909 km (0.112 R)
• M14: 12,953,081 km (0.057 R)
• M15: 13,860,243 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.2

Radius: 12.9

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.89 AU - 2.93 AU

Year: 3367 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,454,325 km

• M1: 160,369 km (0.053 R)
• M2: 563,236 km (0.047 R)
• M3: 1,141,133 km (0.119 R)
• M4: 1,603,240 km (0.06 R)
• M5: 2,038,421 km (0.109 R)
• M6: 2,834,431 km (0.111 R)
• M7: 3,600,671 km (0.077 R)
• M8: 4,915,786 km (0.114 R)
• M9: 6,228,507 km (0.096 R)
• M10: 6,903,343 km (0.106 R)
• M11: 7,424,243 km (0.073 R)
• M12: 10,267,201 km (0.115 R)
• M13: 11,165,985 km (0.094 R)
• M14: 13,317,801 km (0.054 R)
• M15: 14,282,558 km (0.076 R)
• M16: 15,402,597 km (0.087 R)
• M17: 17,220,660 km (0.089 R)
• M18: 19,305,007 km (0.082 R)
• M19: 20,807,269 km (0.115 R)
• M20: 21,966,652 km (0.084 R)
• M21: 22,881,892 km (0.099 R)
• M22: 24,265,223 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.1

Radius: 10

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.21 AU - 4.95 AU

Year: 5590 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,454,325 km

• M1: 124,765 km (0.077 R)
• M2: 979,417 km (0.107 R)
• M3: 1,756,429 km (0.09 R)
• M4: 2,264,613 km (0.114 R)
• M5: 2,852,383 km (0.08 R)
• M6: 3,751,316 km (0.1 R)
• M7: 4,096,887 km (0.108 R)
• M8: 4,970,988 km (0.114 R)
• M9: 6,904,839 km (0.101 R)
• M10: 8,274,109 km (0.112 R)
• M11: 8,792,016 km (0.061 R)
• M12: 9,930,755 km (0.095 R)
• M13: 11,797,886 km (0.065 R)
• M14: 12,188,935 km (0.093 R)
• M15: 15,687,880 km (0.066 R)
• M16: 16,055,143 km (0.056 R)
• M17: 17,357,841 km (0.084 R)
• M18: 19,024,511 km (0.087 R)
• M19: 19,442,338 km (0.029 R)
• M20: 20,420,259 km (0.096 R)
• M21: 21,623,774 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.6

Radius: 5.8

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.44 AU - 7.78 AU

Year: 14239 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,454,325 km

• M1: 72,405 km (0.108 R)
• M2: 263,292 km (0.043 R)
• M3: 625,170 km (0.08 R)
• M4: 847,622 km (0.108 R)
• M5: 1,076,805 km (0.073 R)
• M6: 1,616,704 km (0.098 R)
• M7: 2,321,909 km (0.052 R)
• M8: 2,541,967 km (0.109 R)
• M9: 2,776,088 km (0.108 R)
• M10: 5,336,156 km (0.119 R)
• M11: 6,314,077 km (0.088 R)
• M12: 7,491,861 km (0.078 R)
• M13: 7,974,614 km (0.11 R)
• M14: 8,713,627 km (0.087 R)
• M15: 9,751,537 km (0.086 R)
• M16: 13,870,116 km (0.056 R)
• M17: 14,800,017 km (0.092 R)
• M18: 16,416,870 km (0.074 R)
• M19: 18,460,826 km (0.08 R)
• M20: 19,340,162 km (0.069 R)
• M21: 20,080,073 km (0.116 R)
• M22: 21,616,294 km (0.12 R)
• M23: 23,137,555 km (0.079 R)
• M24: 23,691,067 km (0.069 R)
• M25: 28,231,961 km (0.108 R)
• M26: 33,320,532 km (0.074 R)
• M27: 34,026,185 km (0.073 R)
• M28: 38,214,626 km (0.12 R)
• M29: 40,698,550 km (0.096 R)
• M30: 41,100,369 km (0.055 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: 373 - 19,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit