🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 13.1

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.89 AU - 1.05 AU

Year: 637 Days

Day: 5.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,684,686 km

• M1: 162,912 km (0.114 R)
• M2: 643,570 km (0.061 R)
• M3: 1,155,943 km (0.11 R)
• M4: 1,869,225 km (0.073 R)
• M5: 2,688,723 km (0.117 R)
• M6: 3,364,007 km (0.089 R)
• M7: 3,776,000 km (0.06 R)
• M8: 4,443,057 km (0.07 R)
• M9: 5,271,380 km (0.045 R)
• M10: 5,830,727 km (0.049 R)
• M11: 6,448,865 km (0.086 R)
• M12: 6,905,288 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 11.2

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.09 AU - 2.29 AU

Year: 2161 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,684,686 km

• M1: 139,276 km (0.062 R)
• M2: 615,446 km (0.074 R)
• M3: 1,338,452 km (0.082 R)
• M4: 1,812,677 km (0.09 R)
• M5: 3,307,759 km (0.094 R)
• M6: 4,223,746 km (0.106 R)
• M7: 5,987,505 km (0.086 R)
• M8: 7,316,682 km (0.115 R)
• M9: 8,050,909 km (0.09 R)
• M10: 12,518,350 km (0.101 R)
• M11: 13,157,731 km (0.055 R)
• M12: 14,763,963 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 15

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.12 AU - 3.18 AU

Year: 2877 Days

Day: 11.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,684,686 km

• M1: 186,997 km (0.111 R)
• M2: 1,558,660 km (0.071 R)
• M3: 2,092,874 km (0.075 R)
• M4: 2,734,948 km (0.103 R)
• M5: 3,216,803 km (0.114 R)
• M6: 5,018,410 km (0.102 R)
• M7: 6,125,584 km (0.074 R)
• M8: 6,930,421 km (0.086 R)
• M9: 8,716,918 km (0.115 R)
• M10: 10,197,488 km (0.113 R)
• M11: 11,498,242 km (0.027 R)
• M12: 13,229,987 km (0.097 R)
• M13: 14,977,739 km (0.086 R)
• M14: 16,548,068 km (0.113 R)
• M15: 17,150,648 km (0.045 R)
• M16: 21,463,405 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.3

Radius: 6.6

Gravity: 17.82 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.54 AU - 6.72 AU

Year: 10121 Days

Day: 16.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,684,686 km

• M1: 82,129 km (0.09 R)
• M2: 288,125 km (0.096 R)
• M3: 521,797 km (0.04 R)
• M4: 966,103 km (0.108 R)
• M5: 1,669,063 km (0.069 R)
• M6: 2,220,032 km (0.095 R)
• M7: 3,523,179 km (0.076 R)
• M8: 3,755,355 km (0.101 R)
• M9: 4,279,247 km (0.056 R)
• M10: 5,106,374 km (0.116 R)
• M11: 5,337,203 km (0.106 R)
• M12: 7,485,279 km (0.092 R)
• M13: 8,726,642 km (0.109 R)
• M14: 9,396,242 km (0.085 R)
• M15: 11,667,138 km (0.093 R)
• M16: 12,068,659 km (0.044 R)
• M17: 12,360,973 km (0.093 R)
• M18: 14,345,239 km (0.108 R)
• M19: 16,748,230 km (0.062 R)
• M20: 21,641,277 km (0.118 R)
• M21: 22,510,440 km (0.063 R)
• M22: 29,891,749 km (0.106 R)
• M23: 37,733,071 km (0.112 R)
• M24: 43,475,984 km (0.092 R)
• M25: 44,301,764 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.9

Radius: 7

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.63 AU - 7.21 AU

Year: 12139 Days

Day: 16.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,684,686 km

• M1: 87,066 km (0.106 R)
• M2: 346,020 km (0.101 R)
• M3: 1,814,024 km (0.053 R)
• M4: 2,086,142 km (0.102 R)
• M5: 2,346,592 km (0.076 R)
• M6: 2,756,490 km (0.117 R)
• M7: 3,826,564 km (0.07 R)
• M8: 5,628,769 km (0.118 R)
• M9: 5,915,399 km (0.078 R)
• M10: 6,211,603 km (0.117 R)
• M11: 8,524,685 km (0.103 R)
• M12: 9,047,829 km (0.064 R)
• M13: 10,158,443 km (0.116 R)
• M14: 12,586,566 km (0.041 R)
• M15: 13,581,093 km (0.053 R)
• M16: 15,032,791 km (0.099 R)
• M17: 18,396,948 km (0.104 R)
• M18: 18,632,415 km (0.093 R)
• M19: 20,336,933 km (0.11 R)
• M20: 21,616,444 km (0.09 R)
• M21: 21,878,689 km (0.073 R)
• M22: 22,498,622 km (0.118 R)
• M23: 23,959,894 km (0.092 R)
• M24: 26,070,720 km (0.106 R)
• M25: 38,891,557 km (0.086 R)
• M26: 44,703,285 km (0.059 R)
• M27: 47,298,808 km (0.116 R)
• M28: 48,185,923 km (0.045 R)
• M29: 49,993,215 km (0.114 R)
• M30: 52,630,176 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.5

Radius: 4

Gravity: 39.47 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.32 AU - 9.2 AU

Year: 14415 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,684,686 km

• M1: 49,966 km (0.064 R)
• M2: 189,690 km (0.118 R)
• M3: 540,048 km (0.079 R)
• M4: 1,233,584 km (0.043 R)
• M5: 1,608,028 km (0.102 R)
• M6: 5,615,754 km (0.097 R)
• M7: 5,801,705 km (0.034 R)
• M8: 6,464,872 km (0.082 R)
• M9: 6,793,688 km (0.082 R)
• M10: 7,351,838 km (0.069 R)
• M11: 8,127,054 km (0.087 R)
• M12: 8,558,793 km (0.113 R)
• M13: 8,805,181 km (0.113 R)
• M14: 10,384,037 km (0.103 R)
• M15: 14,088,978 km (0.11 R)
• M16: 18,752,542 km (0.08 R)
• M17: 20,803,529 km (0.113 R)
• M18: 21,159,272 km (0.06 R)
• M19: 24,152,875 km (0.108 R)
• M20: 24,843,419 km (0.034 R)
• M21: 26,575,015 km (0.106 R)
• M22: 26,993,739 km (0.117 R)
• M23: 29,711,633 km (0.106 R)
• M24: 33,449,336 km (0.095 R)
• M25: 34,183,413 km (0.119 R)
• M26: 35,053,175 km (0.074 R)
• M27: 36,707,727 km (0.042 R)
• M28: 39,624,886 km (0.059 R)
• M29: 46,065,672 km (0.095 R)
• M30: 47,279,210 km (0.086 R)
• M31: 48,048,293 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.8

Radius: 7.8

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.43 AU - 12.57 AU

Year: 22689 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,684,686 km

• M1: 97,687 km (0.086 R)
• M2: 365,767 km (0.114 R)
• M3: 705,055 km (0.089 R)
• M4: 1,371,663 km (0.062 R)
• M5: 1,953,898 km (0.102 R)
• M6: 2,202,978 km (0.105 R)
• M7: 3,600,821 km (0.114 R)
• M8: 4,278,200 km (0.107 R)
• M9: 6,822,261 km (0.112 R)
• M10: 8,012,462 km (0.074 R)
• M11: 8,547,125 km (0.053 R)
• M12: 9,628,269 km (0.091 R)
• M13: 10,481,276 km (0.106 R)
• M14: 11,055,731 km (0.104 R)
• M15: 13,565,086 km (0.104 R)
• M16: 14,479,578 km (0.093 R)
• M17: 16,346,260 km (0.083 R)
• M18: 16,772,464 km (0.103 R)
• M19: 17,469,591 km (0.109 R)
• M20: 19,014,937 km (0.112 R)
• M21: 19,296,779 km (0.1 R)
• M22: 26,111,710 km (0.081 R)
• M23: 33,003,085 km (0.071 R)
• M24: 33,958,717 km (0.08 R)
• M25: 39,471,249 km (0.056 R)
• M26: 41,015,099 km (0.108 R)
• M27: 42,119,580 km (0.107 R)
• M28: 48,813,636 km (0.108 R)
• M29: 49,697,161 km (0.102 R)
• M30: 50,232,422 km (0.116 R)
• M31: 52,227,908 km (0.063 R)
• M32: 55,606,426 km (0.107 R)
• M33: 58,729,282 km (0.089 R)
• M34: 59,728,745 km (0.082 R)
• M35: 67,261,596 km (0.091 R)
• M36: 69,017,426 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 13,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit