🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.5

Radius: 10.9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.69 AU - 0.87 AU

Year: 452 Days

Day: 9.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,839,544 km

• M1: 136,134 km (0.117 R)
• M2: 588,668 km (0.099 R)
• M3: 942,766 km (0.077 R)
• M4: 1,387,670 km (0.116 R)
• M5: 1,760,468 km (0.05 R)
• M6: 2,281,068 km (0.069 R)
• M7: 3,055,237 km (0.104 R)
• M8: 3,473,363 km (0.065 R)
• M9: 3,969,430 km (0.096 R)
• M10: 4,674,335 km (0.065 R)
• M11: 5,361,887 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.7

Radius: 8.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.4 AU - 1.66 AU

Year: 1241 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,839,544 km

• M1: 104,569 km (0.098 R)
• M2: 459,565 km (0.042 R)
• M3: 737,069 km (0.093 R)
• M4: 1,118,394 km (0.093 R)
• M5: 1,571,825 km (0.072 R)
• M6: 1,869,076 km (0.101 R)
• M7: 2,214,048 km (0.037 R)
• M8: 2,835,478 km (0.056 R)
• M9: 3,109,691 km (0.105 R)
• M10: 4,165,403 km (0.064 R)
• M11: 4,706,648 km (0.06 R)
• M12: 6,009,346 km (0.115 R)
• M13: 6,358,957 km (0.08 R)
• M14: 6,744,022 km (0.038 R)
• M15: 7,281,527 km (0.117 R)
• M16: 7,655,372 km (0.119 R)
• M17: 8,091,450 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.1

Radius: 10.6

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.38 AU - 1.74 AU

Year: 1278 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,839,544 km

• M1: 131,945 km (0.09 R)
• M2: 523,593 km (0.088 R)
• M3: 1,123,330 km (0.031 R)
• M4: 1,561,054 km (0.101 R)
• M5: 1,911,412 km (0.075 R)
• M6: 2,909,529 km (0.071 R)
• M7: 3,265,871 km (0.09 R)
• M8: 3,635,378 km (0.109 R)
• M9: 4,067,267 km (0.113 R)
• M10: 5,702,521 km (0.115 R)
• M11: 6,667,427 km (0.107 R)
• M12: 7,012,251 km (0.12 R)
• M13: 9,096,897 km (0.107 R)
• M14: 9,928,212 km (0.062 R)
• M15: 10,775,834 km (0.076 R)
• M16: 11,884,504 km (0.095 R)
• M17: 12,356,036 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.1

Radius: 11.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.37 AU - 3.29 AU

Year: 3123 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,839,544 km

• M1: 146,905 km (0.101 R)
• M2: 545,733 km (0.094 R)
• M3: 1,031,627 km (0.092 R)
• M4: 1,457,682 km (0.087 R)
• M5: 1,939,387 km (0.055 R)
• M6: 2,408,975 km (0.084 R)
• M7: 3,055,686 km (0.098 R)
• M8: 3,696,713 km (0.085 R)
• M9: 6,480,131 km (0.048 R)
• M10: 7,164,541 km (0.069 R)
• M11: 8,854,249 km (0.08 R)
• M12: 9,735,381 km (0.072 R)
• M13: 11,586,505 km (0.116 R)
• M14: 12,415,726 km (0.064 R)
• M15: 13,284,141 km (0.063 R)
• M16: 13,709,448 km (0.119 R)
• M17: 15,450,618 km (0.078 R)
• M18: 17,672,296 km (0.089 R)
• M19: 20,723,494 km (0.076 R)
• M20: 22,076,307 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 14.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.67 AU - 4.33 AU

Year: 4295 Days

Day: 9.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,839,544 km

• M1: 181,911 km (0.111 R)
• M2: 879,785 km (0.056 R)
• M3: 1,395,599 km (0.088 R)
• M4: 3,683,249 km (0.085 R)
• M5: 4,195,771 km (0.087 R)
• M6: 5,489,643 km (0.116 R)
• M7: 6,687,922 km (0.083 R)
• M8: 7,989,723 km (0.102 R)
• M9: 8,548,770 km (0.12 R)
• M10: 9,893,655 km (0.098 R)
• M11: 10,384,935 km (0.077 R)
• M12: 12,690,387 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.3

Radius: 8.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.61 AU - 5.31 AU

Year: 7247 Days

Day: 12.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,839,544 km

• M1: 102,026 km (0.06 R)
• M2: 372,947 km (0.105 R)
• M3: 1,095,356 km (0.116 R)
• M4: 1,383,481 km (0.094 R)
• M5: 2,270,148 km (0.108 R)
• M6: 3,650,038 km (0.068 R)
• M7: 4,415,680 km (0.114 R)
• M8: 4,884,969 km (0.055 R)
• M9: 7,039,627 km (0.026 R)
• M10: 9,877,050 km (0.101 R)
• M11: 11,920,856 km (0.113 R)
• M12: 12,234,263 km (0.087 R)
• M13: 12,971,183 km (0.102 R)
• M14: 13,398,584 km (0.037 R)
• M15: 17,910,306 km (0.059 R)
• M16: 19,408,529 km (0.118 R)
• M17: 20,665,899 km (0.119 R)
• M18: 21,053,507 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.9

Radius: 4.3

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.19 AU - 11.19 AU

Year: 18276 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,839,544 km

• M1: 54,005 km (0.113 R)
• M2: 1,235,678 km (0.112 R)
• M3: 1,641,388 km (0.097 R)
• M4: 1,805,048 km (0.072 R)
• M5: 2,611,081 km (0.101 R)
• M6: 3,414,721 km (0.075 R)
• M7: 3,682,501 km (0.104 R)
• M8: 4,455,922 km (0.048 R)
• M9: 5,396,444 km (0.109 R)
• M10: 5,895,951 km (0.11 R)
• M11: 7,338,374 km (0.088 R)
• M12: 7,825,764 km (0.068 R)
• M13: 9,797,913 km (0.036 R)
• M14: 12,133,883 km (0.113 R)
• M15: 12,584,622 km (0.1 R)
• M16: 16,328,608 km (0.029 R)
• M17: 19,123,096 km (0.074 R)
• M18: 28,001,131 km (0.115 R)
• M19: 30,713,640 km (0.069 R)
• M20: 31,025,402 km (0.076 R)
• M21: 34,260,456 km (0.041 R)
• M22: 35,615,064 km (0.035 R)
• M23: 36,654,171 km (0.111 R)
• M24: 36,887,693 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 18,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit