🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.5

Radius: 10.7

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.71 AU - 1.03 AU

Year: 524 Days

Day: 12.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,242,741 km

• M1: 134,339 km (0.097 R)
• M2: 745,895 km (0.117 R)
• M3: 1,133,653 km (0.11 R)
• M4: 1,475,933 km (0.063 R)
• M5: 1,863,690 km (0.104 R)
• M6: 2,329,239 km (0.054 R)
• M7: 3,114,029 km (0.111 R)
• M8: 4,240,052 km (0.067 R)
• M9: 5,253,428 km (0.102 R)
• M10: 5,799,012 km (0.115 R)
• M11: 6,880,604 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.8

Radius: 10.4

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.39 AU - 1.43 AU

Year: 1081 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,242,741 km

• M1: 129,402 km (0.117 R)
• M2: 482,453 km (0.091 R)
• M3: 877,691 km (0.084 R)
• M4: 1,234,332 km (0.082 R)
• M5: 1,966,464 km (0.068 R)
• M6: 2,560,218 km (0.09 R)
• M7: 3,052,844 km (0.045 R)
• M8: 3,483,536 km (0.079 R)
• M9: 3,954,470 km (0.101 R)
• M10: 4,868,513 km (0.057 R)
• M11: 5,608,873 km (0.093 R)
• M12: 6,176,597 km (0.113 R)
• M13: 6,760,777 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 8.1

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.64 AU - 4.04 AU

Year: 3941 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,242,741 km

• M1: 100,979 km (0.068 R)
• M2: 1,033,123 km (0.081 R)
• M3: 1,593,217 km (0.062 R)
• M4: 2,666,133 km (0.081 R)
• M5: 3,132,579 km (0.071 R)
• M6: 3,486,678 km (0.115 R)
• M7: 4,465,796 km (0.082 R)
• M8: 4,787,431 km (0.062 R)
• M9: 6,111,671 km (0.106 R)
• M10: 7,839,976 km (0.118 R)
• M11: 9,789,086 km (0.093 R)
• M12: 11,075,478 km (0.081 R)
• M13: 14,455,493 km (0.1 R)
• M14: 18,847,088 km (0.071 R)
• M15: 20,828,212 km (0.099 R)
• M16: 21,588,170 km (0.036 R)
• M17: 22,944,125 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 13.3

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.05 AU - 5.03 AU

Year: 5243 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,242,741 km

• M1: 165,455 km (0.119 R)
• M2: 910,303 km (0.059 R)
• M3: 1,689,708 km (0.114 R)
• M4: 2,133,415 km (0.073 R)
• M5: 2,640,103 km (0.058 R)
• M6: 3,485,630 km (0.117 R)
• M7: 4,066,818 km (0.05 R)
• M8: 4,806,430 km (0.032 R)
• M9: 6,096,263 km (0.084 R)
• M10: 6,702,433 km (0.105 R)
• M11: 10,397,800 km (0.09 R)
• M12: 12,269,569 km (0.114 R)
• M13: 14,557,369 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.3

Radius: 13.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.66 AU - 4.68 AU

Year: 5498 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,242,741 km

• M1: 169,494 km (0.068 R)
• M2: 600,486 km (0.044 R)
• M3: 1,079,199 km (0.091 R)
• M4: 1,616,854 km (0.075 R)
• M5: 2,085,843 km (0.096 R)
• M6: 2,554,084 km (0.112 R)
• M7: 3,180,900 km (0.077 R)
• M8: 4,012,514 km (0.095 R)
• M9: 4,605,969 km (0.079 R)
• M10: 5,914,651 km (0.05 R)
• M11: 6,805,506 km (0.045 R)
• M12: 8,084,867 km (0.039 R)
• M13: 9,108,715 km (0.087 R)
• M14: 9,902,631 km (0.118 R)
• M15: 10,497,731 km (0.088 R)
• M16: 11,499,439 km (0.055 R)
• M17: 12,747,384 km (0.09 R)
• M18: 13,936,388 km (0.096 R)
• M19: 15,354,426 km (0.026 R)
• M20: 16,044,671 km (0.067 R)
• M21: 17,034,410 km (0.118 R)
• M22: 18,954,200 km (0.117 R)
• M23: 19,563,362 km (0.104 R)
• M24: 20,692,976 km (0.109 R)
• M25: 21,601,185 km (0.116 R)
• M26: 23,081,904 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.6

Radius: 15

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.75 AU - 5.61 AU

Year: 7612 Days

Day: 9.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,242,741 km

• M1: 191,336 km (0.103 R)
• M2: 699,968 km (0.07 R)
• M3: 1,229,096 km (0.093 R)
• M4: 1,708,856 km (0.099 R)
• M5: 2,645,190 km (0.106 R)
• M6: 3,176,112 km (0.12 R)
• M7: 5,093,658 km (0.088 R)
• M8: 6,372,420 km (0.11 R)
• M9: 7,183,091 km (0.118 R)
• M10: 9,374,251 km (0.069 R)
• M11: 11,657,564 km (0.025 R)
• M12: 12,758,155 km (0.059 R)
• M13: 13,333,808 km (0.1 R)
• M14: 14,229,899 km (0.096 R)
• M15: 14,724,021 km (0.096 R)
• M16: 15,812,345 km (0.11 R)
• M17: 23,328,292 km (0.091 R)
• M18: 29,021,688 km (0.096 R)
• M19: 30,628,818 km (0.087 R)
• M20: 33,366,010 km (0.06 R)
• M21: 34,350,513 km (0.047 R)
• M22: 36,607,347 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 8.5

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.06 AU - 5.98 AU

Year: 8374 Days

Day: 13.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,242,741 km

• M1: 166,951 km (0.108 R)
• M2: 1,009,486 km (0.082 R)
• M3: 1,757,326 km (0.079 R)
• M4: 2,193,404 km (0.05 R)
• M5: 2,607,491 km (0.112 R)
• M6: 3,480,095 km (0.099 R)
• M7: 4,643,219 km (0.102 R)
• M8: 4,920,872 km (0.087 R)
• M9: 5,695,490 km (0.094 R)
• M10: 6,344,894 km (0.111 R)
• M11: 8,883,122 km (0.09 R)
• M12: 9,846,233 km (0.092 R)
• M13: 10,353,220 km (0.114 R)
• M14: 12,663,609 km (0.099 R)
• M15: 18,207,557 km (0.09 R)
• M16: 19,684,088 km (0.107 R)
• M17: 20,786,475 km (0.082 R)
• M18: 31,130,120 km (0.101 R)
• M19: 31,524,011 km (0.054 R)
• M20: 32,221,437 km (0.064 R)
• M21: 33,543,882 km (0.113 R)
• M22: 34,690,849 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139

Radius: 4.2

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.68 AU - 10.28 AU

Year: 20357 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,242,741 km

• M1: 54,005 km (0.105 R)
• M2: 338,390 km (0.096 R)
• M3: 941,719 km (0.12 R)
• M4: 1,143,077 km (0.084 R)
• M5: 2,286,005 km (0.069 R)
• M6: 3,305,515 km (0.108 R)
• M7: 3,823,572 km (0.101 R)
• M8: 4,309,017 km (0.042 R)
• M9: 7,089,293 km (0.085 R)
• M10: 7,570,849 km (0.099 R)
• M11: 8,073,797 km (0.102 R)
• M12: 8,289,816 km (0.104 R)
• M13: 8,554,006 km (0.119 R)
• M14: 9,667,762 km (0.05 R)
• M15: 11,085,053 km (0.107 R)
• M16: 11,351,935 km (0.101 R)
• M17: 13,162,817 km (0.03 R)
• M18: 17,060,440 km (0.114 R)
• M19: 18,889,125 km (0.071 R)
• M20: 20,844,369 km (0.113 R)
• M21: 23,451,112 km (0.056 R)
• M22: 23,626,291 km (0.074 R)
• M23: 29,300,239 km (0.114 R)
• M24: 36,167,529 km (0.09 R)
• M25: 37,228,477 km (0.116 R)
• M26: 40,409,975 km (0.109 R)
• M27: 42,325,277 km (0.112 R)
• M28: 44,568,198 km (0.031 R)
• M29: 44,837,175 km (0.111 R)
• M30: 45,242,734 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 15,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit