🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 12.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.72 AU - 0.74 AU

Year: 397 Days

Day: 9.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,718,412 km

• M1: 160,668 km (0.036 R)
• M2: 614,099 km (0.099 R)
• M3: 1,093,860 km (0.081 R)
• M4: 1,554,771 km (0.062 R)
• M5: 2,080,458 km (0.117 R)
• M6: 2,520,575 km (0.108 R)
• M7: 3,380,014 km (0.094 R)
• M8: 3,865,759 km (0.115 R)
• M9: 4,342,826 km (0.074 R)
• M10: 4,859,088 km (0.102 R)
• M11: 5,644,178 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 8

Gravity: 15.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.72 AU - 0.86 AU

Year: 446 Days

Day: 12.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,718,412 km

• M1: 99,483 km (0.104 R)
• M2: 416,929 km (0.025 R)
• M3: 685,158 km (0.118 R)
• M4: 950,994 km (0.108 R)
• M5: 1,287,290 km (0.071 R)
• M6: 1,537,567 km (0.095 R)
• M7: 1,812,827 km (0.109 R)
• M8: 2,345,844 km (0.075 R)
• M9: 2,628,435 km (0.116 R)
• M10: 2,888,735 km (0.1 R)
• M11: 3,190,175 km (0.109 R)
• M12: 3,642,409 km (0.066 R)
• M13: 4,122,469 km (0.098 R)
• M14: 5,042,944 km (0.115 R)
• M15: 6,225,515 km (0.1 R)
• M16: 6,770,800 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 15

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.07 AU - 1.63 AU

Year: 997 Days

Day: 6.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,718,412 km

• M1: 186,549 km (0.108 R)
• M2: 671,994 km (0.109 R)
• M3: 1,379,292 km (0.104 R)
• M4: 1,871,021 km (0.063 R)
• M5: 2,853,879 km (0.095 R)
• M6: 5,109,964 km (0.109 R)
• M7: 6,005,906 km (0.074 R)
• M8: 6,625,390 km (0.096 R)
• M9: 7,155,865 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.9

Radius: 10.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.94 AU - 2.52 AU

Year: 2117 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,718,412 km

• M1: 131,796 km (0.093 R)
• M2: 999,164 km (0.111 R)
• M3: 1,333,515 km (0.075 R)
• M4: 2,092,276 km (0.069 R)
• M5: 2,681,243 km (0.089 R)
• M6: 3,850,948 km (0.076 R)
• M7: 4,190,685 km (0.112 R)
• M8: 4,654,139 km (0.086 R)
• M9: 5,332,715 km (0.087 R)
• M10: 5,853,316 km (0.072 R)
• M11: 9,245,747 km (0.08 R)
• M12: 9,789,086 km (0.049 R)
• M13: 12,138,371 km (0.085 R)
• M14: 13,724,557 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.2

Radius: 14.4

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.65 AU - 4.35 AU

Year: 4163 Days

Day: 13.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,718,412 km

• M1: 179,069 km (0.039 R)
• M2: 673,639 km (0.094 R)
• M3: 1,848,431 km (0.102 R)
• M4: 2,602,704 km (0.08 R)
• M5: 3,700,154 km (0.069 R)
• M6: 4,181,560 km (0.072 R)
• M7: 5,434,891 km (0.077 R)
• M8: 5,972,396 km (0.095 R)
• M9: 6,514,239 km (0.048 R)
• M10: 7,354,979 km (0.086 R)
• M11: 7,978,653 km (0.111 R)
• M12: 8,487,884 km (0.048 R)
• M13: 9,253,227 km (0.08 R)
• M14: 11,143,994 km (0.114 R)
• M15: 13,230,585 km (0.043 R)
• M16: 13,687,457 km (0.061 R)
• M17: 14,313,375 km (0.117 R)
• M18: 15,012,745 km (0.071 R)
• M19: 15,847,950 km (0.075 R)
• M20: 18,414,899 km (0.117 R)
• M21: 19,372,176 km (0.065 R)
• M22: 20,700,007 km (0.053 R)
• M23: 25,591,857 km (0.056 R)
• M24: 26,623,035 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 13.7

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.69 AU - 4.51 AU

Year: 5278 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,718,412 km

• M1: 171,888 km (0.071 R)
• M2: 698,173 km (0.108 R)
• M3: 1,152,203 km (0.09 R)
• M4: 1,692,550 km (0.048 R)
• M5: 2,286,903 km (0.061 R)
• M6: 3,281,878 km (0.059 R)
• M7: 4,045,426 km (0.093 R)
• M8: 4,897,086 km (0.095 R)
• M9: 5,469,448 km (0.098 R)
• M10: 7,607,650 km (0.074 R)
• M11: 13,248,537 km (0.075 R)
• M12: 14,364,238 km (0.046 R)
• M13: 15,481,285 km (0.111 R)
• M14: 16,030,160 km (0.064 R)
• M15: 17,038,150 km (0.096 R)
• M16: 18,903,337 km (0.111 R)
• M17: 20,680,709 km (0.109 R)
• M18: 22,722,720 km (0.075 R)
• M19: 25,481,305 km (0.085 R)
• M20: 28,094,779 km (0.113 R)
• M21: 29,652,542 km (0.06 R)
• M22: 31,655,508 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.6

Radius: 3.4

Gravity: 64.41 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.14 AU - 6.78 AU

Year: 10440 Days

Day: 18.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,718,412 km

• M1: 44,131 km (0.112 R)
• M2: 223,798 km (0.095 R)
• M3: 518,357 km (0.066 R)
• M4: 769,382 km (0.107 R)
• M5: 943,215 km (0.104 R)
• M6: 1,581,399 km (0.066 R)
• M7: 1,798,017 km (0.088 R)
• M8: 1,999,076 km (0.116 R)
• M9: 2,123,243 km (0.073 R)
• M10: 2,889,333 km (0.117 R)
• M11: 3,165,491 km (0.11 R)
• M12: 3,484,134 km (0.093 R)
• M13: 4,156,278 km (0.096 R)
• M14: 4,477,913 km (0.117 R)
• M15: 5,203,463 km (0.1 R)
• M16: 5,823,696 km (0.103 R)
• M17: 6,040,912 km (0.096 R)
• M18: 6,764,517 km (0.074 R)
• M19: 7,802,277 km (0.098 R)
• M20: 8,427,596 km (0.116 R)
• M21: 9,726,704 km (0.056 R)
• M22: 10,032,482 km (0.09 R)
• M23: 10,716,892 km (0.077 R)
• M24: 11,488,368 km (0.107 R)
• M25: 12,895,636 km (0.112 R)
• M26: 14,348,231 km (0.079 R)
• M27: 16,259,344 km (0.115 R)
• M28: 19,353,776 km (0.12 R)
• M29: 20,082,018 km (0.12 R)
• M30: 21,678,826 km (0.062 R)
• M31: 31,383,988 km (0.119 R)
• M32: 33,643,364 km (0.1 R)
• M33: 43,490,794 km (0.086 R)
• M34: 44,877,267 km (0.109 R)
• M35: 45,581,424 km (0.112 R)
• M36: 45,723,243 km (0.111 R)
• M37: 47,592,319 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 13,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit