🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.5

Radius: 10.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.49 AU - 0.57 AU

Year: 271 Days

Day: 6.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,981,758 km

• M1: 137,032 km (0.045 R)
• M2: 548,575 km (0.081 R)
• M3: 1,046,288 km (0.044 R)
• M4: 1,580,053 km (0.05 R)
• M5: 2,023,760 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.2

Radius: 13.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.44 AU - 0.68 AU

Year: 295 Days

Day: 14.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,981,758 km

• M1: 171,589 km (0.114 R)
• M2: 601,533 km (0.101 R)
• M3: 1,232,088 km (0.106 R)
• M4: 1,831,527 km (0.093 R)
• M5: 2,393,566 km (0.097 R)
• M6: 2,831,140 km (0.043 R)
• M7: 3,312,845 km (0.119 R)
• M8: 3,838,233 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.1

Radius: 11

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.55 AU - 1.55 AU

Year: 1356 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,981,758 km

• M1: 137,181 km (0.108 R)
• M2: 500,704 km (0.098 R)
• M3: 941,868 km (0.111 R)
• M4: 1,589,777 km (0.053 R)
• M5: 2,052,333 km (0.099 R)
• M6: 2,733,452 km (0.095 R)
• M7: 3,091,440 km (0.088 R)
• M8: 3,607,403 km (0.087 R)
• M9: 4,715,624 km (0.106 R)
• M10: 5,152,001 km (0.112 R)
• M11: 5,529,137 km (0.067 R)
• M12: 5,879,645 km (0.104 R)
• M13: 6,457,392 km (0.058 R)
• M14: 6,871,629 km (0.104 R)
• M15: 7,355,578 km (0.064 R)
• M16: 8,363,419 km (0.104 R)
• M17: 9,094,803 km (0.119 R)
• M18: 9,553,918 km (0.076 R)
• M19: 9,900,237 km (0.063 R)
• M20: 10,485,315 km (0.101 R)
• M21: 11,231,509 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 9

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.51 AU - 1.67 AU

Year: 1409 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,981,758 km

• M1: 111,899 km (0.119 R)
• M2: 540,796 km (0.078 R)
• M3: 1,007,841 km (0.084 R)
• M4: 1,341,743 km (0.057 R)
• M5: 1,679,685 km (0.075 R)
• M6: 2,350,332 km (0.118 R)
• M7: 2,775,639 km (0.071 R)
• M8: 3,443,893 km (0.119 R)
• M9: 3,922,456 km (0.043 R)
• M10: 5,336,605 km (0.113 R)
• M11: 7,638,467 km (0.068 R)
• M12: 8,635,537 km (0.087 R)
• M13: 9,102,133 km (0.055 R)
• M14: 9,618,245 km (0.081 R)
• M15: 10,085,589 km (0.041 R)
• M16: 10,568,192 km (0.059 R)
• M17: 11,211,014 km (0.077 R)
• M18: 12,574,898 km (0.108 R)
• M19: 13,793,223 km (0.118 R)
• M20: 14,259,220 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 9.8

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.84 AU - 2.36 AU

Year: 2139 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,981,758 km

• M1: 125,363 km (0.073 R)
• M2: 437,723 km (0.054 R)
• M3: 1,075,160 km (0.101 R)
• M4: 1,694,645 km (0.043 R)
• M5: 2,177,696 km (0.036 R)
• M6: 2,962,935 km (0.104 R)
• M7: 4,480,755 km (0.063 R)
• M8: 5,007,789 km (0.07 R)
• M9: 5,681,578 km (0.106 R)
• M10: 6,007,252 km (0.074 R)
• M11: 7,722,092 km (0.102 R)
• M12: 10,823,406 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.4

Radius: 8.2

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.11 AU - 2.43 AU

Year: 2404 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,981,758 km

• M1: 102,026 km (0.09 R)
• M2: 567,275 km (0.076 R)
• M3: 1,008,888 km (0.104 R)
• M4: 1,624,483 km (0.054 R)
• M5: 2,372,772 km (0.108 R)
• M6: 3,367,747 km (0.118 R)
• M7: 4,815,705 km (0.115 R)
• M8: 6,473,698 km (0.057 R)
• M9: 7,843,117 km (0.104 R)
• M10: 8,947,449 km (0.094 R)
• M11: 9,679,281 km (0.109 R)
• M12: 9,968,454 km (0.101 R)
• M13: 11,026,111 km (0.096 R)
• M14: 11,663,099 km (0.025 R)
• M15: 13,185,706 km (0.077 R)
• M16: 14,132,810 km (0.065 R)
• M17: 15,028,153 km (0.074 R)
• M18: 15,465,278 km (0.12 R)
• M19: 15,860,815 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.5

Radius: 8

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.49 AU - 6.67 AU

Year: 9265 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,981,758 km

• M1: 99,632 km (0.093 R)
• M2: 442,211 km (0.069 R)
• M3: 725,998 km (0.039 R)
• M4: 1,016,966 km (0.116 R)
• M5: 1,505,703 km (0.104 R)
• M6: 1,796,820 km (0.1 R)
• M7: 2,125,636 km (0.074 R)
• M8: 2,398,203 km (0.051 R)
• M9: 3,580,625 km (0.049 R)
• M10: 4,104,517 km (0.092 R)
• M11: 4,953,933 km (0.11 R)
• M12: 6,201,580 km (0.051 R)
• M13: 6,762,871 km (0.102 R)
• M14: 9,399,234 km (0.1 R)
• M15: 9,938,535 km (0.068 R)
• M16: 10,550,091 km (0.046 R)
• M17: 10,918,251 km (0.035 R)
• M18: 15,554,139 km (0.071 R)
• M19: 16,943,604 km (0.053 R)
• M20: 17,815,910 km (0.096 R)
• M21: 18,871,023 km (0.035 R)
• M22: 19,413,914 km (0.086 R)
• M23: 23,599,513 km (0.086 R)
• M24: 24,963,696 km (0.094 R)
• M25: 25,807,129 km (0.07 R)
• M26: 28,857,429 km (0.043 R)
• M27: 31,270,293 km (0.051 R)
• M28: 33,025,974 km (0.069 R)
• M29: 34,041,893 km (0.118 R)
• M30: 41,613,789 km (0.084 R)
• M31: 43,600,898 km (0.079 R)
• M32: 44,823,112 km (0.079 R)
• M33: 46,769,231 km (0.086 R)
• M34: 47,335,609 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.7

Radius: 7

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.96 AU - 8.36 AU

Year: 13467 Days

Day: 15.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,981,758 km

• M1: 87,066 km (0.104 R)
• M2: 346,768 km (0.049 R)
• M3: 688,898 km (0.04 R)
• M4: 932,144 km (0.063 R)
• M5: 1,246,300 km (0.091 R)
• M6: 1,858,604 km (0.089 R)
• M7: 2,127,581 km (0.077 R)
• M8: 2,505,465 km (0.093 R)
• M9: 3,474,261 km (0.091 R)
• M10: 7,015,991 km (0.099 R)
• M11: 8,038,193 km (0.068 R)
• M12: 9,568,429 km (0.105 R)
• M13: 12,182,802 km (0.062 R)
• M14: 12,744,841 km (0.071 R)
• M15: 14,813,480 km (0.077 R)
• M16: 15,526,015 km (0.095 R)
• M17: 21,977,872 km (0.104 R)
• M18: 31,618,557 km (0.091 R)
• M19: 31,969,364 km (0.114 R)
• M20: 32,559,677 km (0.045 R)
• M21: 34,251,480 km (0.05 R)
• M22: 35,118,998 km (0.057 R)
• M23: 36,511,604 km (0.081 R)
• M24: 45,203,989 km (0.104 R)
• M25: 51,544,694 km (0.029 R)
• M26: 58,102,766 km (0.091 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: 163 - 12,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit