🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23

Radius: 13.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.87 AU - 1.09 AU

Year: 626 Days

Day: 12.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,507,783 km

• M1: 170,242 km (0.092 R)
• M2: 616,642 km (0.027 R)
• M3: 1,063,042 km (0.089 R)
• M4: 1,710,801 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.2

Radius: 10.3

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.89 AU - 1.39 AU

Year: 786 Days

Day: 11.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,507,783 km

• M1: 128,056 km (0.113 R)
• M2: 616,343 km (0.114 R)
• M3: 974,032 km (0.076 R)
• M4: 1,593,068 km (0.077 R)
• M5: 2,502,922 km (0.092 R)
• M6: 3,232,062 km (0.033 R)
• M7: 3,654,078 km (0.098 R)
• M8: 4,081,180 km (0.114 R)
• M9: 4,524,139 km (0.119 R)
• M10: 4,908,755 km (0.067 R)
• M11: 5,664,374 km (0.093 R)
• M12: 6,070,233 km (0.1 R)
• M13: 6,473,848 km (0.083 R)
• M14: 6,986,370 km (0.111 R)
• M15: 7,622,311 km (0.106 R)
• M16: 8,219,505 km (0.115 R)
• M17: 9,423,319 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.8

Radius: 11.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.48 AU - 1.94 AU

Year: 1444 Days

Day: 14.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,507,783 km

• M1: 139,575 km (0.088 R)
• M2: 776,114 km (0.104 R)
• M3: 1,149,510 km (0.062 R)
• M4: 1,530,087 km (0.081 R)
• M5: 1,950,756 km (0.078 R)
• M6: 2,459,090 km (0.047 R)
• M7: 2,838,171 km (0.091 R)
• M8: 3,334,537 km (0.091 R)
• M9: 3,932,180 km (0.114 R)
• M10: 4,715,774 km (0.108 R)
• M11: 5,234,130 km (0.101 R)
• M12: 6,003,662 km (0.026 R)
• M13: 6,634,366 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.5

Radius: 8.8

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.4 AU - 2.28 AU

Year: 1612 Days

Day: 10.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,507,783 km

• M1: 109,506 km (0.053 R)
• M2: 598,840 km (0.057 R)
• M3: 1,221,616 km (0.086 R)
• M4: 1,549,834 km (0.037 R)
• M5: 2,037,972 km (0.112 R)
• M6: 2,439,642 km (0.109 R)
• M7: 3,289,956 km (0.078 R)
• M8: 3,568,508 km (0.078 R)
• M9: 4,006,979 km (0.097 R)
• M10: 4,461,308 km (0.093 R)
• M11: 4,907,708 km (0.055 R)
• M12: 5,795,571 km (0.083 R)
• M13: 6,865,345 km (0.11 R)
• M14: 7,350,342 km (0.04 R)
• M15: 8,238,953 km (0.107 R)
• M16: 8,755,814 km (0.068 R)
• M17: 9,489,292 km (0.095 R)
• M18: 9,820,651 km (0.112 R)
• M19: 11,670,429 km (0.088 R)
• M20: 12,400,766 km (0.099 R)
• M21: 12,677,372 km (0.093 R)
• M22: 13,867,723 km (0.091 R)
• M23: 14,294,974 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.2

Radius: 4.3

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.75 AU - 6.25 AU

Year: 9489 Days

Day: 15.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,507,783 km

• M1: 53,556 km (0.118 R)
• M2: 488,437 km (0.06 R)
• M3: 701,614 km (0.08 R)
• M4: 1,115,701 km (0.089 R)
• M5: 1,340,247 km (0.087 R)
• M6: 1,514,978 km (0.12 R)
• M7: 2,743,475 km (0.111 R)
• M8: 3,026,365 km (0.036 R)
• M9: 3,579,727 km (0.12 R)
• M10: 4,043,331 km (0.074 R)
• M11: 7,542,425 km (0.049 R)
• M12: 10,882,497 km (0.106 R)
• M13: 13,039,100 km (0.116 R)
• M14: 17,418,428 km (0.084 R)
• M15: 20,724,691 km (0.056 R)
• M16: 29,018,845 km (0.066 R)
• M17: 29,209,882 km (0.118 R)
• M18: 31,166,024 km (0.106 R)
• M19: 31,769,501 km (0.119 R)
• M20: 34,581,642 km (0.115 R)
• M21: 37,895,983 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322

Radius: 4.1

Gravity: 19.16 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.33 AU - 8.51 AU

Year: 13050 Days

Day: 18.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,507,783 km

• M1: 51,611 km (0.098 R)
• M2: 198,068 km (0.114 R)
• M3: 341,682 km (0.099 R)
• M4: 480,658 km (0.114 R)
• M5: 1,146,518 km (0.039 R)
• M6: 1,401,134 km (0.093 R)
• M7: 1,577,061 km (0.091 R)
• M8: 1,752,539 km (0.081 R)
• M9: 2,039,917 km (0.086 R)
• M10: 2,339,561 km (0.09 R)
• M11: 2,790,898 km (0.068 R)
• M12: 3,968,532 km (0.111 R)
• M13: 4,238,706 km (0.108 R)
• M14: 5,541,704 km (0.037 R)
• M15: 6,017,874 km (0.051 R)
• M16: 7,287,211 km (0.118 R)
• M17: 8,951,338 km (0.045 R)
• M18: 9,750,041 km (0.091 R)
• M19: 9,944,668 km (0.103 R)
• M20: 10,191,505 km (0.116 R)
• M21: 11,220,289 km (0.1 R)
• M22: 14,528,796 km (0.094 R)
• M23: 16,437,814 km (0.056 R)
• M24: 17,133,145 km (0.118 R)
• M25: 17,703,262 km (0.09 R)
• M26: 17,920,329 km (0.114 R)
• M27: 19,954,112 km (0.104 R)
• M28: 22,812,927 km (0.046 R)
• M29: 23,852,632 km (0.114 R)
• M30: 24,117,421 km (0.054 R)
• M31: 28,824,069 km (0.116 R)
• M32: 30,140,979 km (0.066 R)
• M33: 31,075,816 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 19,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit