🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 10.5

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.89 AU - 0.91 AU

Year: 589 Days

Day: 7.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,678,789 km

• M1: 130,749 km (0.076 R)
• M2: 553,512 km (0.083 R)
• M3: 971,788 km (0.105 R)
• M4: 1,311,525 km (0.046 R)
• M5: 1,763,759 km (0.088 R)
• M6: 2,139,848 km (0.105 R)
• M7: 2,487,513 km (0.049 R)
• M8: 3,565,964 km (0.091 R)
• M9: 4,130,547 km (0.09 R)
• M10: 4,518,903 km (0.104 R)
• M11: 5,231,886 km (0.056 R)
• M12: 7,067,602 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71

Radius: 11.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.17 AU - 1.89 AU

Year: 1306 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,678,789 km

• M1: 144,212 km (0.066 R)
• M2: 539,600 km (0.099 R)
• M3: 948,301 km (0.088 R)
• M4: 1,564,345 km (0.101 R)
• M5: 2,538,526 km (0.063 R)
• M6: 2,899,506 km (0.086 R)
• M7: 3,364,606 km (0.112 R)
• M8: 4,278,649 km (0.12 R)
• M9: 5,021,253 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.6

Radius: 14.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.44 AU - 2.46 AU

Year: 2647 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,678,789 km

• M1: 182,958 km (0.071 R)
• M2: 641,027 km (0.111 R)
• M3: 1,121,386 km (0.111 R)
• M4: 1,750,744 km (0.092 R)
• M5: 2,293,784 km (0.094 R)
• M6: 3,142,154 km (0.066 R)
• M7: 3,728,727 km (0.064 R)
• M8: 4,322,032 km (0.062 R)
• M9: 4,781,597 km (0.088 R)
• M10: 5,820,404 km (0.035 R)
• M11: 7,096,923 km (0.11 R)
• M12: 8,526,779 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.7

Radius: 8.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.84 AU - 3.6 AU

Year: 3988 Days

Day: 8.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,678,789 km

• M1: 110,702 km (0.052 R)
• M2: 700,567 km (0.087 R)
• M3: 1,924,427 km (0.095 R)
• M4: 3,228,771 km (0.097 R)
• M5: 3,777,945 km (0.084 R)
• M6: 4,936,281 km (0.055 R)
• M7: 6,880,455 km (0.101 R)
• M8: 7,620,964 km (0.111 R)
• M9: 8,672,039 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 13.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.6 AU - 3.62 AU

Year: 4734 Days

Day: 12.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,678,789 km

• M1: 167,998 km (0.096 R)
• M2: 597,045 km (0.098 R)
• M3: 1,172,847 km (0.051 R)
• M4: 1,805,796 km (0.054 R)
• M5: 2,448,020 km (0.069 R)
• M6: 3,012,752 km (0.068 R)
• M7: 3,621,914 km (0.067 R)
• M8: 4,080,432 km (0.087 R)
• M9: 4,803,288 km (0.106 R)
• M10: 5,781,958 km (0.099 R)
• M11: 6,824,505 km (0.118 R)
• M12: 7,288,857 km (0.069 R)
• M13: 7,916,719 km (0.082 R)
• M14: 9,043,640 km (0.038 R)
• M15: 9,604,931 km (0.109 R)
• M16: 12,375,484 km (0.074 R)
• M17: 14,155,549 km (0.082 R)
• M18: 16,275,500 km (0.09 R)
• M19: 16,866,861 km (0.074 R)
• M20: 18,663,531 km (0.084 R)
• M21: 19,115,616 km (0.084 R)
• M22: 20,790,514 km (0.084 R)
• M23: 21,276,557 km (0.067 R)
• M24: 23,670,871 km (0.085 R)
• M25: 25,918,878 km (0.111 R)
• M26: 27,053,578 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.9

Radius: 12.1

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.85 AU - 5.97 AU

Year: 8686 Days

Day: 13.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,678,789 km

• M1: 150,495 km (0.087 R)
• M2: 598,691 km (0.117 R)
• M3: 1,035,965 km (0.084 R)
• M4: 1,872,217 km (0.117 R)
• M5: 5,961,176 km (0.094 R)
• M6: 7,075,830 km (0.086 R)
• M7: 9,666,566 km (0.044 R)
• M8: 11,914,722 km (0.117 R)
• M9: 14,300,808 km (0.099 R)
• M10: 15,206,624 km (0.039 R)
• M11: 16,288,067 km (0.083 R)
• M12: 19,998,991 km (0.117 R)
• M13: 21,797,457 km (0.025 R)
• M14: 22,220,669 km (0.079 R)
• M15: 22,649,566 km (0.117 R)
• M16: 23,790,400 km (0.073 R)
• M17: 27,344,845 km (0.104 R)
• M18: 33,094,939 km (0.099 R)
• M19: 34,220,513 km (0.114 R)
• M20: 37,025,922 km (0.067 R)
• M21: 41,645,953 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.2

Radius: 7.1

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.26 AU - 6.68 AU

Year: 10069 Days

Day: 22.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,678,789 km

• M1: 88,562 km (0.103 R)
• M2: 424,409 km (0.096 R)
• M3: 756,516 km (0.113 R)
• M4: 1,160,431 km (0.104 R)
• M5: 1,616,255 km (0.088 R)
• M6: 2,000,872 km (0.103 R)
• M7: 3,063,316 km (0.045 R)
• M8: 3,310,601 km (0.118 R)
• M9: 3,910,788 km (0.089 R)
• M10: 5,165,315 km (0.096 R)
• M11: 7,052,792 km (0.073 R)
• M12: 8,815,803 km (0.098 R)
• M13: 11,476,700 km (0.06 R)
• M14: 12,647,453 km (0.097 R)
• M15: 14,259,519 km (0.117 R)
• M16: 16,635,283 km (0.101 R)
• M17: 19,976,851 km (0.046 R)
• M18: 20,373,734 km (0.086 R)
• M19: 22,794,527 km (0.096 R)
• M20: 23,300,616 km (0.093 R)
• M21: 25,944,609 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.5

Radius: 4.9

Gravity: 25.01 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.76 AU - 10.58 AU

Year: 20756 Days

Day: 23.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,678,789 km

• M1: 60,886 km (0.119 R)
• M2: 447,148 km (0.091 R)
• M3: 844,330 km (0.095 R)
• M4: 1,131,110 km (0.043 R)
• M5: 1,512,734 km (0.089 R)
• M6: 2,551,092 km (0.098 R)
• M7: 3,397,816 km (0.098 R)
• M8: 3,628,496 km (0.091 R)
• M9: 4,251,272 km (0.064 R)
• M10: 4,451,285 km (0.118 R)
• M11: 4,657,580 km (0.066 R)
• M12: 5,706,112 km (0.061 R)
• M13: 6,812,388 km (0.104 R)
• M14: 7,320,721 km (0.083 R)
• M15: 8,104,913 km (0.116 R)
• M16: 8,361,175 km (0.113 R)
• M17: 9,552,871 km (0.045 R)
• M18: 11,039,724 km (0.077 R)
• M19: 11,805,516 km (0.046 R)
• M20: 13,801,002 km (0.082 R)
• M21: 14,019,564 km (0.118 R)
• M22: 14,916,553 km (0.08 R)
• M23: 16,659,518 km (0.112 R)
• M24: 19,981,937 km (0.112 R)
• M25: 22,493,386 km (0.099 R)
• M26: 24,883,811 km (0.059 R)
• M27: 30,530,382 km (0.059 R)
• M28: 33,715,171 km (0.073 R)
• M29: 34,244,449 km (0.11 R)
• M30: 36,417,058 km (0.073 R)
• M31: 42,094,298 km (0.105 R)
• M32: 48,333,726 km (0.116 R)
• M33: 49,856,183 km (0.118 R)
• M34: 57,761,683 km (0.114 R)
• M35: 59,668,008 km (0.093 R)
• M36: 65,432,613 km (0.082 R)
• M37: 70,475,258 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.3

Radius: 8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.69 AU - 11.13 AU

Year: 21534 Days

Day: 23.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,678,789 km

• M1: 99,632 km (0.052 R)
• M2: 380,577 km (0.117 R)
• M3: 997,369 km (0.116 R)
• M4: 1,415,196 km (0.086 R)
• M5: 1,840,353 km (0.094 R)
• M6: 2,646,985 km (0.025 R)
• M7: 2,970,864 km (0.106 R)
• M8: 4,412,539 km (0.115 R)
• M9: 5,179,826 km (0.103 R)
• M10: 5,726,307 km (0.065 R)
• M11: 6,638,256 km (0.117 R)
• M12: 10,397,950 km (0.094 R)
• M13: 11,627,794 km (0.089 R)
• M14: 13,414,890 km (0.064 R)
• M15: 14,727,013 km (0.118 R)
• M16: 15,013,941 km (0.097 R)
• M17: 16,350,898 km (0.076 R)
• M18: 17,444,458 km (0.07 R)
• M19: 20,746,831 km (0.116 R)
• M20: 21,380,677 km (0.116 R)
• M21: 21,748,688 km (0.078 R)
• M22: 25,355,493 km (0.091 R)
• M23: 25,767,784 km (0.119 R)
• M24: 26,711,897 km (0.081 R)
• M25: 27,570,289 km (0.077 R)
• M26: 29,796,605 km (0.072 R)
• M27: 32,020,078 km (0.107 R)
• M28: 46,638,333 km (0.089 R)
• M29: 49,467,678 km (0.082 R)
• M30: 49,949,981 km (0.093 R)
• M31: 51,911,209 km (0.104 R)
• M32: 61,004,366 km (0.101 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: 165 - 11,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit