🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 11.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.02 AU - 1.2 AU

Year: 780 Days

Day: 7.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,978,129 km

• M1: 141,819 km (0.112 R)
• M2: 517,010 km (0.051 R)
• M3: 887,564 km (0.036 R)
• M4: 1,263,055 km (0.098 R)
• M5: 1,893,011 km (0.106 R)
• M6: 2,648,481 km (0.061 R)
• M7: 3,037,734 km (0.078 R)
• M8: 3,555,642 km (0.103 R)
• M9: 4,550,019 km (0.079 R)
• M10: 5,350,218 km (0.111 R)
• M11: 6,357,461 km (0.103 R)
• M12: 6,834,828 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.4

Radius: 8.7

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.97 AU - 1.27 AU

Year: 790 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,978,129 km

• M1: 108,309 km (0.12 R)
• M2: 738,415 km (0.092 R)
• M3: 1,183,768 km (0.118 R)
• M4: 1,979,030 km (0.047 R)
• M5: 2,254,290 km (0.074 R)
• M6: 2,940,197 km (0.047 R)
• M7: 4,424,507 km (0.09 R)
• M8: 5,166,662 km (0.074 R)
• M9: 5,914,501 km (0.106 R)
• M10: 6,432,260 km (0.112 R)
• M11: 6,979,788 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 10.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.9 AU - 1.44 AU

Year: 844 Days

Day: 7.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,978,129 km

• M1: 126,859 km (0.118 R)
• M2: 499,208 km (0.037 R)
• M3: 915,090 km (0.058 R)
• M4: 1,462,768 km (0.098 R)
• M5: 1,805,198 km (0.06 R)
• M6: 2,271,793 km (0.09 R)
• M7: 2,715,949 km (0.037 R)
• M8: 3,051,049 km (0.044 R)
• M9: 3,667,392 km (0.043 R)
• M10: 4,477,614 km (0.116 R)
• M11: 5,101,736 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.6

Radius: 9.4

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.59 AU - 2.47 AU

Year: 1929 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,978,129 km

• M1: 116,836 km (0.082 R)
• M2: 413,189 km (0.117 R)
• M3: 766,240 km (0.114 R)
• M4: 1,068,129 km (0.103 R)
• M5: 1,414,597 km (0.091 R)
• M6: 2,053,829 km (0.115 R)
• M7: 2,889,932 km (0.073 R)
• M8: 3,699,107 km (0.113 R)
• M9: 4,284,483 km (0.114 R)
• M10: 5,568,482 km (0.052 R)
• M11: 5,907,620 km (0.092 R)
• M12: 6,260,521 km (0.102 R)
• M13: 6,870,881 km (0.111 R)
• M14: 9,007,587 km (0.116 R)
• M15: 9,408,060 km (0.103 R)
• M16: 12,471,077 km (0.04 R)
• M17: 15,188,073 km (0.114 R)
• M18: 16,734,467 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 13

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.23 AU - 2.31 AU

Year: 2281 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,978,129 km

• M1: 162,613 km (0.112 R)
• M2: 612,902 km (0.074 R)
• M3: 1,427,313 km (0.079 R)
• M4: 2,207,466 km (0.116 R)
• M5: 3,123,454 km (0.034 R)
• M6: 3,551,603 km (0.12 R)
• M7: 4,360,479 km (0.078 R)
• M8: 6,533,986 km (0.086 R)
• M9: 6,980,386 km (0.047 R)
• M10: 9,213,134 km (0.068 R)
• M11: 10,175,946 km (0.08 R)
• M12: 10,815,627 km (0.047 R)
• M13: 11,442,292 km (0.094 R)
• M14: 13,335,005 km (0.108 R)
• M15: 13,782,601 km (0.047 R)
• M16: 15,872,334 km (0.083 R)
• M17: 18,494,486 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.4

Radius: 13.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.79 AU - 3.15 AU

Year: 3413 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,978,129 km

• M1: 169,794 km (0.12 R)
• M2: 659,727 km (0.102 R)
• M3: 1,367,025 km (0.112 R)
• M4: 2,000,273 km (0.059 R)
• M5: 2,564,108 km (0.106 R)
• M6: 3,167,885 km (0.088 R)
• M7: 3,921,858 km (0.056 R)
• M8: 4,372,447 km (0.114 R)
• M9: 4,835,901 km (0.088 R)
• M10: 5,262,703 km (0.071 R)
• M11: 6,375,412 km (0.086 R)
• M12: 6,862,354 km (0.104 R)
• M13: 7,789,561 km (0.078 R)
• M14: 10,000,468 km (0.11 R)
• M15: 10,923,936 km (0.114 R)
• M16: 11,943,894 km (0.098 R)
• M17: 12,770,871 km (0.045 R)
• M18: 13,198,422 km (0.115 R)
• M19: 13,947,458 km (0.069 R)
• M20: 14,817,819 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.9

Radius: 13.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.64 AU - 5.3 AU

Year: 6302 Days

Day: 14 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 23,978,129 km

• M1: 172,038 km (0.114 R)
• M2: 614,099 km (0.052 R)
• M3: 1,148,313 km (0.026 R)
• M4: 1,901,987 km (0.052 R)
• M5: 3,081,118 km (0.086 R)
• M6: 3,843,020 km (0.066 R)
• M7: 4,625,716 km (0.119 R)
• M8: 5,951,452 km (0.092 R)
• M9: 7,342,413 km (0.104 R)
• M10: 7,948,584 km (0.071 R)
• M11: 8,434,478 km (0.078 R)
• M12: 9,302,145 km (0.108 R)
• M13: 10,012,885 km (0.055 R)
• M14: 12,966,695 km (0.047 R)
• M15: 13,641,830 km (0.077 R)
• M16: 15,006,013 km (0.118 R)
• M17: 15,984,532 km (0.025 R)
• M18: 16,821,832 km (0.093 R)
• M19: 17,688,153 km (0.111 R)
• M20: 18,325,141 km (0.102 R)
• M21: 19,644,893 km (0.031 R)
• M22: 21,669,850 km (0.105 R)
• M23: 22,994,689 km (0.034 R)
• M24: 23,448,120 km (0.104 R)
• M25: 25,805,483 km (0.083 R)
• M26: 26,625,279 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.4

Radius: 14.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.08 AU - 5.34 AU

Year: 7930 Days

Day: 8 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,978,129 km

• M1: 178,321 km (0.052 R)
• M2: 728,990 km (0.102 R)
• M3: 1,458,430 km (0.086 R)
• M4: 3,363,858 km (0.109 R)
• M5: 7,516,096 km (0.117 R)
• M6: 10,716,443 km (0.09 R)
• M7: 11,202,786 km (0.104 R)
• M8: 11,703,939 km (0.073 R)
• M9: 12,219,902 km (0.106 R)
• M10: 13,297,904 km (0.109 R)
• M11: 15,954,164 km (0.059 R)
• M12: 17,842,987 km (0.118 R)
• M13: 18,389,318 km (0.118 R)
• M14: 23,090,431 km (0.097 R)
• M15: 23,821,666 km (0.093 R)
• M16: 28,817,038 km (0.078 R)
• M17: 29,760,103 km (0.05 R)
• M18: 32,409,332 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384

Radius: 6.9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.55 AU - 7.33 AU

Year: 12192 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 23,978,129 km

• M1: 86,019 km (0.089 R)
• M2: 314,904 km (0.069 R)
• M3: 832,363 km (0.112 R)
• M4: 1,150,108 km (0.056 R)
• M5: 2,116,959 km (0.116 R)
• M6: 2,695,155 km (0.1 R)
• M7: 3,143,350 km (0.12 R)
• M8: 4,133,688 km (0.062 R)
• M9: 4,354,495 km (0.113 R)
• M10: 5,127,018 km (0.099 R)
• M11: 6,092,822 km (0.088 R)
• M12: 7,616,776 km (0.111 R)
• M13: 8,119,724 km (0.109 R)
• M14: 8,467,090 km (0.119 R)
• M15: 9,473,584 km (0.077 R)
• M16: 10,405,130 km (0.068 R)
• M17: 11,235,847 km (0.064 R)
• M18: 13,505,097 km (0.061 R)
• M19: 15,527,511 km (0.072 R)
• M20: 20,399,315 km (0.112 R)
• M21: 26,768,893 km (0.063 R)
• M22: 28,421,950 km (0.045 R)
• M23: 30,660,832 km (0.066 R)
• M24: 31,080,005 km (0.114 R)
• M25: 32,145,142 km (0.108 R)
• M26: 32,469,320 km (0.105 R)
• M27: 36,531,501 km (0.082 R)
• M28: 45,105,104 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.2

Radius: 5.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.43 AU - 10.19 AU

Year: 17438 Days

Day: 23 Hours

Environment

Temp: -244 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,978,129 km

• M1: 69,713 km (0.079 R)
• M2: 356,791 km (0.11 R)
• M3: 652,696 km (0.12 R)
• M4: 1,051,374 km (0.097 R)
• M5: 3,167,137 km (0.073 R)
• M6: 5,712,694 km (0.08 R)
• M7: 6,726,818 km (0.056 R)
• M8: 8,735,618 km (0.057 R)
• M9: 10,075,566 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 17,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit