🌌 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: 37.9

Radius: 10.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.58 AU - 0.86 AU

Year: 394 Days

Day: 8.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,051,277 km

• M1: 128,056 km (0.115 R)
• M2: 514,018 km (0.069 R)
• M3: 1,050,177 km (0.12 R)
• M4: 1,483,113 km (0.108 R)
• M5: 2,098,709 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 14.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.83 AU - 1.25 AU

Year: 685 Days

Day: 7.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,051,277 km

• M1: 180,415 km (0.097 R)
• M2: 1,016,069 km (0.118 R)
• M3: 1,487,601 km (0.071 R)
• M4: 2,008,351 km (0.07 R)
• M5: 2,581,461 km (0.074 R)
• M6: 3,566,264 km (0.086 R)
• M7: 4,174,080 km (0.092 R)
• M8: 5,102,783 km (0.068 R)
• M9: 5,633,856 km (0.099 R)
• M10: 6,146,977 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.4

Radius: 11.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.63 AU - 2.01 AU

Year: 1585 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,051,277 km

• M1: 147,952 km (0.1 R)
• M2: 610,509 km (0.096 R)
• M3: 1,257,520 km (0.062 R)
• M4: 1,650,513 km (0.091 R)
• M5: 2,750,058 km (0.047 R)
• M6: 3,475,308 km (0.07 R)
• M7: 5,219,171 km (0.026 R)
• M8: 6,582,905 km (0.088 R)
• M9: 7,569,203 km (0.057 R)
• M10: 8,142,014 km (0.107 R)
• M11: 8,559,990 km (0.108 R)
• M12: 9,602,538 km (0.05 R)
• M13: 10,069,582 km (0.04 R)
• M14: 14,762,916 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.6

Radius: 13.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.34 AU - 2.78 AU

Year: 2645 Days

Day: 10.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,051,277 km

• M1: 169,195 km (0.081 R)
• M2: 650,601 km (0.103 R)
• M3: 1,109,418 km (0.072 R)
• M4: 1,718,281 km (0.088 R)
• M5: 2,339,860 km (0.076 R)
• M6: 2,917,308 km (0.051 R)
• M7: 3,394,376 km (0.118 R)
• M8: 4,445,301 km (0.095 R)
• M9: 5,433,694 km (0.036 R)
• M10: 6,006,205 km (0.088 R)
• M11: 7,630,838 km (0.096 R)
• M12: 8,545,479 km (0.085 R)
• M13: 9,149,107 km (0.028 R)
• M14: 10,593,025 km (0.102 R)
• M15: 11,569,600 km (0.12 R)
• M16: 15,004,966 km (0.109 R)
• M17: 15,637,166 km (0.117 R)
• M18: 16,085,361 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.2

Radius: 15

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.41 AU - 3.93 AU

Year: 4540 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,051,277 km

• M1: 188,344 km (0.101 R)
• M2: 1,203,066 km (0.11 R)
• M3: 2,020,469 km (0.104 R)
• M4: 3,561,477 km (0.042 R)
• M5: 4,269,972 km (0.106 R)
• M6: 5,433,694 km (0.089 R)
• M7: 7,272,850 km (0.094 R)
• M8: 8,688,495 km (0.116 R)
• M9: 10,668,722 km (0.082 R)
• M10: 13,341,737 km (0.026 R)
• M11: 15,204,679 km (0.077 R)
• M12: 16,539,690 km (0.098 R)
• M13: 17,019,600 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 13.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.9 AU - 6.14 AU

Year: 7262 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,051,277 km

• M1: 173,234 km (0.05 R)
• M2: 621,579 km (0.085 R)
• M3: 1,594,265 km (0.104 R)
• M4: 2,152,863 km (0.099 R)
• M5: 4,306,324 km (0.055 R)
• M6: 5,094,256 km (0.091 R)
• M7: 6,389,325 km (0.089 R)
• M8: 7,670,631 km (0.087 R)
• M9: 8,589,311 km (0.066 R)
• M10: 9,665,967 km (0.116 R)
• M11: 10,237,132 km (0.114 R)
• M12: 10,784,361 km (0.109 R)
• M13: 11,399,208 km (0.074 R)
• M14: 14,375,607 km (0.049 R)
• M15: 14,946,622 km (0.084 R)
• M16: 17,002,546 km (0.092 R)
• M17: 19,035,731 km (0.114 R)
• M18: 20,934,726 km (0.087 R)
• M19: 21,447,099 km (0.117 R)
• M20: 24,055,637 km (0.114 R)
• M21: 24,780,139 km (0.111 R)
• M22: 27,912,569 km (0.11 R)
• M23: 28,892,585 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 12.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.14 AU - 6.38 AU

Year: 8926 Days

Day: 9.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,051,277 km

• M1: 155,582 km (0.109 R)
• M2: 573,708 km (0.085 R)
• M3: 2,280,021 km (0.075 R)
• M4: 2,981,186 km (0.119 R)
• M5: 3,430,130 km (0.097 R)
• M6: 4,028,671 km (0.086 R)
• M7: 5,666,019 km (0.113 R)
• M8: 7,306,061 km (0.103 R)
• M9: 9,910,111 km (0.08 R)
• M10: 12,161,110 km (0.045 R)
• M11: 13,021,148 km (0.072 R)
• M12: 18,455,441 km (0.036 R)
• M13: 23,277,429 km (0.059 R)
• M14: 29,383,715 km (0.095 R)
• M15: 36,013,593 km (0.043 R)
• M16: 43,709,207 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 1000

Radius: 3

Gravity: 111.11 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.78 AU - 11.2 AU

Year: 18876 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,051,277 km

• M1: 38,746 km (0.064 R)
• M2: 207,343 km (0.084 R)
• M3: 311,912 km (0.111 R)
• M4: 588,967 km (0.102 R)
• M5: 1,047,335 km (0.097 R)
• M6: 1,142,329 km (0.106 R)
• M7: 2,061,907 km (0.106 R)
• M8: 4,886,315 km (0.068 R)
• M9: 5,885,180 km (0.117 R)
• M10: 6,500,327 km (0.119 R)
• M11: 6,776,634 km (0.082 R)
• M12: 7,703,243 km (0.114 R)
• M13: 11,642,454 km (0.081 R)
• M14: 12,396,128 km (0.028 R)
• M15: 14,537,921 km (0.074 R)
• M16: 17,435,781 km (0.087 R)
• M17: 18,695,246 km (0.069 R)
• M18: 19,347,044 km (0.088 R)
• M19: 20,794,702 km (0.05 R)
• M20: 21,292,863 km (0.109 R)
• M21: 27,071,679 km (0.071 R)
• M22: 27,785,112 km (0.11 R)
• M23: 29,125,658 km (0.087 R)
• M24: 31,411,065 km (0.111 R)
• M25: 31,672,113 km (0.114 R)
• M26: 32,331,092 km (0.093 R)
• M27: 37,056,889 km (0.065 R)
• M28: 39,583,447 km (0.062 R)
• M29: 51,923,177 km (0.114 R)
• M30: 53,765,176 km (0.113 R)
• M31: 60,756,482 km (0.092 R)
• M32: 68,548,138 km (0.069 R)
• M33: 71,661,868 km (0.101 R)
• M34: 76,507,044 km (0.057 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: 264 - 17,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit