🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.2

Radius: 10.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.02 AU - 1.12 AU

Year: 726 Days

Day: 9.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,105,170 km

• M1: 125,662 km (0.088 R)
• M2: 470,485 km (0.099 R)
• M3: 1,092,364 km (0.059 R)
• M4: 1,533,079 km (0.043 R)
• M5: 1,997,132 km (0.088 R)
• M6: 2,603,601 km (0.082 R)
• M7: 2,917,757 km (0.089 R)
• M8: 3,437,161 km (0.12 R)
• M9: 4,030,915 km (0.061 R)
• M10: 4,844,577 km (0.053 R)
• M11: 5,423,222 km (0.068 R)
• M12: 5,816,515 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 13.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.59 AU - 1.97 AU

Year: 1558 Days

Day: 8.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,105,170 km

• M1: 165,455 km (0.102 R)
• M2: 614,997 km (0.052 R)
• M3: 1,200,822 km (0.108 R)
• M4: 2,664,338 km (0.057 R)
• M5: 3,366,401 km (0.044 R)
• M6: 3,796,345 km (0.054 R)
• M7: 4,244,391 km (0.115 R)
• M8: 4,687,948 km (0.088 R)
• M9: 6,112,868 km (0.049 R)
• M10: 6,680,891 km (0.076 R)
• M11: 8,066,916 km (0.112 R)
• M12: 9,123,825 km (0.118 R)
• M13: 11,847,104 km (0.047 R)
• M14: 12,265,081 km (0.043 R)
• M15: 13,455,730 km (0.104 R)
• M16: 13,952,993 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.1

Radius: 9.5

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.46 AU - 2.1 AU

Year: 1558 Days

Day: 9.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,105,170 km

• M1: 118,781 km (0.103 R)
• M2: 433,086 km (0.076 R)
• M3: 795,113 km (0.107 R)
• M4: 1,173,595 km (0.102 R)
• M5: 1,561,951 km (0.096 R)
• M6: 1,999,675 km (0.081 R)
• M7: 2,306,949 km (0.045 R)
• M8: 2,611,380 km (0.114 R)
• M9: 3,394,076 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 12.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.88 AU - 2 AU

Year: 1773 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,105,170 km

• M1: 156,180 km (0.059 R)
• M2: 622,028 km (0.094 R)
• M3: 1,086,529 km (0.111 R)
• M4: 1,752,090 km (0.118 R)
• M5: 2,369,780 km (0.051 R)
• M6: 3,076,331 km (0.088 R)
• M7: 3,842,272 km (0.081 R)
• M8: 5,896,250 km (0.071 R)
• M9: 7,032,596 km (0.09 R)
• M10: 8,732,477 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.1

Radius: 12.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.67 AU - 4.01 AU

Year: 4936 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,105,170 km

• M1: 160,519 km (0.12 R)
• M2: 575,802 km (0.096 R)
• M3: 1,524,253 km (0.098 R)
• M4: 1,990,100 km (0.084 R)
• M5: 2,535,834 km (0.108 R)
• M6: 2,948,275 km (0.07 R)
• M7: 3,662,605 km (0.096 R)
• M8: 4,305,726 km (0.115 R)
• M9: 5,517,768 km (0.057 R)
• M10: 6,635,713 km (0.068 R)
• M11: 7,330,146 km (0.089 R)
• M12: 8,318,988 km (0.104 R)
• M13: 9,202,812 km (0.08 R)
• M14: 9,826,187 km (0.076 R)
• M15: 12,559,040 km (0.119 R)
• M16: 13,375,845 km (0.071 R)
• M17: 18,000,663 km (0.083 R)
• M18: 18,606,684 km (0.119 R)
• M19: 20,181,501 km (0.089 R)
• M20: 20,835,842 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.4

Radius: 3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.7 AU - 7.9 AU

Year: 11632 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,105,170 km

• M1: 1,104,032 km (0.09 R)
• M2: 1,434,943 km (0.041 R)
• M3: 3,101,014 km (0.077 R)
• M4: 3,907,796 km (0.101 R)
• M5: 5,792,729 km (0.063 R)
• M6: 6,406,080 km (0.096 R)
• M7: 12,166,496 km (0.086 R)
• M8: 16,237,802 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.2

Radius: 3.5

Gravity: 50.47 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.83 AU - 11.23 AU

Year: 24031 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,105,170 km

• M1: 43,683 km (0.084 R)
• M2: 365,019 km (0.102 R)
• M3: 698,173 km (0.092 R)
• M4: 952,340 km (0.067 R)
• M5: 2,069,387 km (0.08 R)
• M6: 2,639,654 km (0.108 R)
• M7: 3,395,423 km (0.061 R)
• M8: 3,635,378 km (0.115 R)
• M9: 6,833,481 km (0.118 R)
• M10: 7,023,022 km (0.073 R)
• M11: 7,167,384 km (0.113 R)
• M12: 7,612,587 km (0.088 R)
• M13: 8,075,742 km (0.071 R)
• M14: 8,833,455 km (0.097 R)
• M15: 11,126,641 km (0.082 R)
• M16: 11,722,639 km (0.08 R)
• M17: 12,905,958 km (0.091 R)
• M18: 13,341,886 km (0.087 R)
• M19: 15,345,151 km (0.095 R)
• M20: 15,588,397 km (0.069 R)
• M21: 20,322,272 km (0.116 R)
• M22: 21,110,952 km (0.029 R)
• M23: 21,817,653 km (0.119 R)
• M24: 22,644,480 km (0.101 R)
• M25: 23,923,392 km (0.109 R)
• M26: 26,858,203 km (0.042 R)
• M27: 26,975,638 km (0.114 R)
• M28: 27,927,529 km (0.09 R)
• M29: 31,696,498 km (0.063 R)
• M30: 34,805,590 km (0.063 R)
• M31: 36,505,620 km (0.045 R)
• M32: 39,158,140 km (0.108 R)
• M33: 41,464,491 km (0.089 R)
• M34: 45,506,775 km (0.077 R)
• M35: 48,053,978 km (0.109 R)
• M36: 48,574,578 km (0.062 R)
• M37: 57,034,487 km (0.12 R)
• M38: 65,357,365 km (0.082 R)
• M39: 67,938,078 km (0.107 R)
• M40: 82,607,795 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 10,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit