🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.2

Radius: 10.3

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.76 AU - 0.92 AU

Year: 489 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,669,368 km

• M1: 128,654 km (0.094 R)
• M2: 512,522 km (0.092 R)
• M3: 925,861 km (0.118 R)
• M4: 1,279,211 km (0.098 R)
• M5: 2,279,722 km (0.114 R)
• M6: 2,600,609 km (0.104 R)
• M7: 3,098,770 km (0.076 R)
• M8: 3,444,940 km (0.083 R)
• M9: 3,790,361 km (0.098 R)
• M10: 4,272,964 km (0.118 R)
• M11: 4,749,583 km (0.098 R)
• M12: 5,277,962 km (0.057 R)
• M13: 5,774,478 km (0.12 R)
• M14: 6,190,061 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 14.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.05 AU - 1.46 AU

Year: 889 Days

Day: 14.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,669,368 km

• M1: 180,265 km (0.037 R)
• M2: 639,531 km (0.062 R)
• M3: 1,098,348 km (0.1 R)
• M4: 1,605,484 km (0.108 R)
• M5: 2,356,316 km (0.102 R)
• M6: 3,601,718 km (0.067 R)
• M7: 4,363,620 km (0.119 R)
• M8: 5,026,638 km (0.1 R)
• M9: 6,105,089 km (0.079 R)
• M10: 6,666,380 km (0.095 R)
• M11: 7,191,319 km (0.077 R)
• M12: 7,743,934 km (0.051 R)
• M13: 8,350,852 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.2

Radius: 8.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.63 AU - 1.67 AU

Year: 1348 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,669,368 km

• M1: 100,679 km (0.096 R)
• M2: 393,442 km (0.115 R)
• M3: 728,990 km (0.071 R)
• M4: 1,036,863 km (0.079 R)
• M5: 1,541,756 km (0.09 R)
• M6: 2,097,063 km (0.072 R)
• M7: 2,836,675 km (0.085 R)
• M8: 3,601,868 km (0.104 R)
• M9: 4,609,559 km (0.099 R)
• M10: 4,938,974 km (0.097 R)
• M11: 5,794,075 km (0.085 R)
• M12: 6,217,437 km (0.073 R)
• M13: 6,765,265 km (0.046 R)
• M14: 7,191,469 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 12.3

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.3 AU - 4.84 AU

Year: 5221 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,669,368 km

• M1: 155,283 km (0.119 R)
• M2: 556,055 km (0.048 R)
• M3: 1,062,893 km (0.091 R)
• M4: 1,581,848 km (0.062 R)
• M5: 2,092,575 km (0.046 R)
• M6: 2,619,010 km (0.102 R)
• M7: 3,057,930 km (0.092 R)
• M8: 3,799,636 km (0.076 R)
• M9: 4,192,331 km (0.082 R)
• M10: 5,485,455 km (0.1 R)
• M11: 9,918,937 km (0.088 R)
• M12: 12,641,170 km (0.069 R)
• M13: 14,051,878 km (0.107 R)
• M14: 14,594,619 km (0.039 R)
• M15: 17,521,052 km (0.101 R)
• M16: 19,696,953 km (0.09 R)
• M17: 21,009,226 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 9.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.39 AU - 5.69 AU

Year: 7194 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,669,368 km

• M1: 121,922 km (0.1 R)
• M2: 600,486 km (0.09 R)
• M3: 1,458,430 km (0.115 R)
• M4: 2,011,343 km (0.055 R)
• M5: 2,413,014 km (0.031 R)
• M6: 3,907,496 km (0.063 R)
• M7: 4,214,322 km (0.108 R)
• M8: 5,002,104 km (0.11 R)
• M9: 6,438,692 km (0.099 R)
• M10: 9,545,391 km (0.101 R)
• M11: 10,023,805 km (0.025 R)
• M12: 10,728,860 km (0.106 R)
• M13: 11,202,487 km (0.098 R)
• M14: 15,726,476 km (0.107 R)
• M15: 16,965,296 km (0.114 R)
• M16: 21,004,738 km (0.076 R)
• M17: 23,497,188 km (0.033 R)
• M18: 24,076,730 km (0.12 R)
• M19: 25,038,644 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.6

Radius: 4.8

Gravity: 16.61 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.81 AU - 7.99 AU

Year: 10294 Days

Day: 15.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 84.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,669,368 km

• M1: 59,690 km (0.12 R)
• M2: 344,075 km (0.078 R)
• M3: 868,416 km (0.088 R)
• M4: 1,091,316 km (0.044 R)
• M5: 1,315,713 km (0.068 R)
• M6: 1,477,728 km (0.114 R)
• M7: 2,111,724 km (0.103 R)
• M8: 2,593,279 km (0.091 R)
• M9: 2,973,706 km (0.086 R)
• M10: 3,577,184 km (0.047 R)
• M11: 3,770,764 km (0.109 R)
• M12: 5,052,818 km (0.068 R)
• M13: 5,327,928 km (0.054 R)
• M14: 6,600,856 km (0.072 R)
• M15: 6,966,922 km (0.115 R)
• M16: 9,870,767 km (0.053 R)
• M17: 17,630,857 km (0.109 R)
• M18: 18,334,565 km (0.106 R)
• M19: 20,712,274 km (0.111 R)
• M20: 21,654,441 km (0.109 R)
• M21: 22,135,997 km (0.095 R)
• M22: 26,613,760 km (0.104 R)
• M23: 30,143,522 km (0.09 R)
• M24: 31,762,022 km (0.093 R)
• M25: 38,816,309 km (0.098 R)
• M26: 39,645,979 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.9

Radius: 7.1

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.07 AU - 8.17 AU

Year: 10830 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,669,368 km

• M1: 89,609 km (0.113 R)
• M2: 398,230 km (0.081 R)
• M3: 728,093 km (0.06 R)
• M4: 956,978 km (0.087 R)
• M5: 1,426,864 km (0.026 R)
• M6: 2,256,983 km (0.089 R)
• M7: 3,398,864 km (0.058 R)
• M8: 4,280,593 km (0.063 R)
• M9: 4,636,337 km (0.114 R)
• M10: 4,915,936 km (0.099 R)
• M11: 5,273,026 km (0.099 R)
• M12: 6,525,459 km (0.088 R)
• M13: 8,008,872 km (0.105 R)
• M14: 8,412,187 km (0.061 R)
• M15: 8,876,240 km (0.088 R)
• M16: 10,371,321 km (0.071 R)
• M17: 15,097,716 km (0.113 R)
• M18: 15,922,599 km (0.085 R)
• M19: 18,268,443 km (0.101 R)
• M20: 19,523,569 km (0.09 R)
• M21: 20,835,243 km (0.08 R)
• M22: 26,969,205 km (0.081 R)
• M23: 29,009,869 km (0.103 R)
• M24: 34,440,571 km (0.038 R)
• M25: 35,987,264 km (0.118 R)
• M26: 39,218,877 km (0.082 R)
• M27: 41,300,831 km (0.058 R)
• M28: 44,699,545 km (0.083 R)
• M29: 47,694,793 km (0.093 R)
• M30: 49,465,134 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 19,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit