🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 9.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.59 AU - 0.67 AU

Year: 345 Days

Day: 5 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,323,137 km

• M1: 113,096 km (0.107 R)
• M2: 590,762 km (0.034 R)
• M3: 896,690 km (0.119 R)
• M4: 1,268,291 km (0.117 R)
• M5: 1,605,335 km (0.058 R)
• M6: 1,965,566 km (0.055 R)
• M7: 2,550,644 km (0.102 R)
• M8: 2,927,630 km (0.098 R)
• M9: 3,680,257 km (0.102 R)
• M10: 4,300,041 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.9

Radius: 8.8

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.55 AU - 0.73 AU

Year: 353 Days

Day: 10 Hours

Environment

Temp: -150 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,323,137 km

• M1: 110,702 km (0.109 R)
• M2: 406,457 km (0.092 R)
• M3: 851,960 km (0.104 R)
• M4: 1,378,096 km (0.099 R)
• M5: 1,660,088 km (0.099 R)
• M6: 1,942,379 km (0.079 R)
• M7: 2,299,918 km (0.039 R)
• M8: 2,858,516 km (0.118 R)
• M9: 3,551,005 km (0.071 R)
• M10: 3,949,533 km (0.115 R)
• M11: 4,377,682 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 12.8

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.82 AU - 1.32 AU

Year: 764 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,323,137 km

• M1: 159,471 km (0.084 R)
• M2: 597,195 km (0.071 R)
• M3: 1,324,240 km (0.096 R)
• M4: 1,791,435 km (0.098 R)
• M5: 2,337,018 km (0.108 R)
• M6: 3,030,853 km (0.046 R)
• M7: 4,333,850 km (0.117 R)
• M8: 5,011,080 km (0.12 R)
• M9: 5,940,382 km (0.106 R)
• M10: 7,593,887 km (0.103 R)
• M11: 8,606,515 km (0.076 R)
• M12: 9,090,614 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 11.3

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.03 AU - 1.13 AU

Year: 775 Days

Day: 10.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,323,137 km

• M1: 140,472 km (0.065 R)
• M2: 559,346 km (0.104 R)
• M3: 912,098 km (0.069 R)
• M4: 1,879,996 km (0.103 R)
• M5: 2,795,984 km (0.1 R)
• M6: 3,856,184 km (0.064 R)
• M7: 4,387,406 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.8

Radius: 8.8

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.97 AU - 1.43 AU

Year: 907 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,323,137 km

• M1: 109,506 km (0.077 R)
• M2: 396,883 km (0.046 R)
• M3: 821,891 km (0.09 R)
• M4: 1,186,760 km (0.074 R)
• M5: 1,589,029 km (0.09 R)
• M6: 1,929,364 km (0.049 R)
• M7: 2,306,949 km (0.09 R)
• M8: 2,609,884 km (0.119 R)
• M9: 3,368,794 km (0.117 R)
• M10: 3,903,457 km (0.086 R)
• M11: 4,405,807 km (0.11 R)
• M12: 4,894,094 km (0.044 R)
• M13: 5,219,769 km (0.119 R)
• M14: 5,893,558 km (0.09 R)
• M15: 6,975,450 km (0.082 R)
• M16: 7,463,288 km (0.092 R)
• M17: 7,792,553 km (0.105 R)
• M18: 8,589,611 km (0.08 R)
• M19: 10,407,374 km (0.051 R)
• M20: 10,722,876 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.3

Radius: 9.7

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.33 AU - 1.69 AU

Year: 1281 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,323,137 km

• M1: 121,025 km (0.11 R)
• M2: 473,776 km (0.064 R)
• M3: 811,868 km (0.071 R)
• M4: 1,180,178 km (0.065 R)
• M5: 1,498,522 km (0.032 R)
• M6: 1,968,259 km (0.116 R)
• M7: 3,820,730 km (0.083 R)
• M8: 4,130,248 km (0.077 R)
• M9: 5,433,993 km (0.077 R)
• M10: 6,523,963 km (0.039 R)
• M11: 7,808,111 km (0.078 R)
• M12: 8,280,841 km (0.104 R)
• M13: 9,071,016 km (0.101 R)
• M14: 10,834,925 km (0.044 R)
• M15: 11,636,470 km (0.096 R)
• M16: 12,816,648 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.6

Radius: 12.7

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.71 AU - 1.97 AU

Year: 1723 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,323,137 km

• M1: 157,975 km (0.103 R)
• M2: 633,697 km (0.106 R)
• M3: 1,676,843 km (0.077 R)
• M4: 2,222,276 km (0.084 R)
• M5: 2,654,913 km (0.072 R)
• M6: 3,112,683 km (0.067 R)
• M7: 3,675,769 km (0.106 R)
• M8: 4,113,493 km (0.057 R)
• M9: 4,709,790 km (0.109 R)
• M10: 5,929,012 km (0.068 R)
• M11: 6,456,345 km (0.112 R)
• M12: 7,097,372 km (0.114 R)
• M13: 8,695,376 km (0.034 R)
• M14: 9,579,051 km (0.074 R)
• M15: 10,413,957 km (0.11 R)
• M16: 10,997,089 km (0.112 R)
• M17: 12,228,878 km (0.112 R)
• M18: 12,632,044 km (0.05 R)
• M19: 16,137,571 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.1

Radius: 14.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.11 AU - 2.73 AU

Year: 2599 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,323,137 km

• M1: 185,352 km (0.068 R)
• M2: 803,341 km (0.119 R)
• M3: 1,435,990 km (0.062 R)
• M4: 2,090,331 km (0.063 R)
• M5: 2,925,536 km (0.108 R)
• M6: 3,651,983 km (0.08 R)
• M7: 4,143,861 km (0.102 R)
• M8: 5,085,430 km (0.08 R)
• M9: 5,845,686 km (0.043 R)
• M10: 7,739,745 km (0.114 R)
• M11: 9,267,289 km (0.074 R)
• M12: 10,261,666 km (0.085 R)
• M13: 10,729,907 km (0.087 R)
• M14: 11,325,905 km (0.058 R)
• M15: 11,944,044 km (0.093 R)
• M16: 12,707,142 km (0.119 R)
• M17: 14,065,790 km (0.108 R)
• M18: 14,599,705 km (0.106 R)
• M19: 16,041,679 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 10.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.85 AU - 4.97 AU

Year: 7510 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 106.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,323,137 km

• M1: 133,292 km (0.06 R)
• M2: 590,313 km (0.09 R)
• M3: 956,978 km (0.112 R)
• M4: 2,304,256 km (0.113 R)
• M5: 3,681,454 km (0.105 R)
• M6: 4,561,089 km (0.119 R)
• M7: 5,211,840 km (0.093 R)
• M8: 5,795,122 km (0.077 R)
• M9: 7,539,433 km (0.104 R)
• M10: 7,887,249 km (0.104 R)
• M11: 8,910,049 km (0.05 R)
• M12: 9,431,398 km (0.036 R)
• M13: 10,487,559 km (0.092 R)
• M14: 21,015,359 km (0.116 R)
• M15: 21,474,326 km (0.039 R)
• M16: 22,730,948 km (0.108 R)
• M17: 23,377,360 km (0.112 R)
• M18: 29,950,541 km (0.085 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 20,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit