🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.2

Radius: 8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.53 AU - 0.85 AU

Year: 370 Days

Day: 6.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,619,743 km

• M1: 99,483 km (0.098 R)
• M2: 608,564 km (0.093 R)
• M3: 893,548 km (0.077 R)
• M4: 1,311,824 km (0.076 R)
• M5: 1,807,591 km (0.068 R)
• M6: 2,533,590 km (0.113 R)
• M7: 2,953,810 km (0.102 R)
• M8: 3,898,521 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 9

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.21 AU - 1.25 AU

Year: 881 Days

Day: 8.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,619,743 km

• M1: 111,899 km (0.044 R)
• M2: 678,127 km (0.12 R)
• M3: 992,881 km (0.084 R)
• M4: 1,345,334 km (0.084 R)
• M5: 1,735,485 km (0.12 R)
• M6: 2,074,025 km (0.107 R)
• M7: 2,634,867 km (0.11 R)
• M8: 2,925,237 km (0.059 R)
• M9: 3,526,321 km (0.107 R)
• M10: 3,816,990 km (0.108 R)
• M11: 5,011,080 km (0.099 R)
• M12: 5,520,311 km (0.108 R)
• M13: 6,437,645 km (0.073 R)
• M14: 7,305,462 km (0.103 R)
• M15: 8,463,799 km (0.085 R)
• M16: 8,792,316 km (0.051 R)
• M17: 9,387,865 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.5

Radius: 13.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.44 AU - 1.76 AU

Year: 1307 Days

Day: 10.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 115.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,619,743 km

• M1: 171,589 km (0.107 R)
• M2: 764,894 km (0.106 R)
• M3: 1,322,894 km (0.072 R)
• M4: 1,845,439 km (0.105 R)
• M5: 2,494,395 km (0.072 R)
• M6: 3,456,010 km (0.081 R)
• M7: 3,947,888 km (0.095 R)
• M8: 4,414,484 km (0.096 R)
• M9: 5,376,847 km (0.098 R)
• M10: 7,354,231 km (0.03 R)
• M11: 7,876,477 km (0.106 R)
• M12: 10,540,367 km (0.089 R)
• M13: 11,479,393 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.6

Radius: 15

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.61 AU - 3.27 AU

Year: 3255 Days

Day: 5.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,619,743 km

• M1: 186,549 km (0.113 R)
• M2: 911,051 km (0.04 R)
• M3: 1,410,708 km (0.06 R)
• M4: 3,358,173 km (0.11 R)
• M5: 4,084,620 km (0.074 R)
• M6: 5,310,126 km (0.096 R)
• M7: 7,026,313 km (0.097 R)
• M8: 7,622,460 km (0.116 R)
• M9: 15,291,894 km (0.071 R)
• M10: 15,939,952 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902

Radius: 10.3

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.83 AU - 3.57 AU

Year: 3696 Days

Day: 7.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,619,743 km

• M1: 128,056 km (0.1 R)
• M2: 548,875 km (0.058 R)
• M3: 1,536,969 km (0.045 R)
• M4: 2,344,797 km (0.091 R)
• M5: 2,870,933 km (0.118 R)
• M6: 3,219,496 km (0.112 R)
• M7: 3,785,125 km (0.094 R)
• M8: 4,182,906 km (0.112 R)
• M9: 5,658,988 km (0.059 R)
• M10: 6,151,016 km (0.093 R)
• M11: 7,557,984 km (0.108 R)
• M12: 9,685,415 km (0.117 R)
• M13: 11,353,431 km (0.026 R)
• M14: 11,903,203 km (0.117 R)
• M15: 14,334,169 km (0.029 R)
• M16: 14,814,079 km (0.09 R)
• M17: 15,637,914 km (0.119 R)
• M18: 16,089,700 km (0.032 R)
• M19: 16,901,119 km (0.111 R)
• M20: 19,177,101 km (0.063 R)
• M21: 20,221,743 km (0.055 R)
• M22: 20,758,201 km (0.101 R)
• M23: 21,511,276 km (0.085 R)
• M24: 21,859,390 km (0.106 R)
• M25: 25,474,423 km (0.085 R)
• M26: 26,258,316 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 12.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.65 AU - 6.07 AU

Year: 8012 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,619,743 km

• M1: 155,582 km (0.11 R)
• M2: 595,848 km (0.1 R)
• M3: 1,774,530 km (0.074 R)
• M4: 2,194,302 km (0.092 R)
• M5: 3,489,071 km (0.047 R)
• M6: 3,950,730 km (0.084 R)
• M7: 4,398,327 km (0.079 R)
• M8: 5,179,377 km (0.079 R)
• M9: 6,257,230 km (0.107 R)
• M10: 7,169,328 km (0.047 R)
• M11: 7,798,238 km (0.026 R)
• M12: 8,722,902 km (0.083 R)
• M13: 9,121,581 km (0.108 R)
• M14: 10,992,751 km (0.096 R)
• M15: 11,830,050 km (0.089 R)
• M16: 16,735,663 km (0.099 R)
• M17: 19,899,808 km (0.044 R)
• M18: 20,515,104 km (0.096 R)
• M19: 21,461,909 km (0.115 R)
• M20: 26,361,538 km (0.097 R)
• M21: 30,214,282 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.1

Radius: 5.3

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.46 AU - 6.8 AU

Year: 9800 Days

Day: 17.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,619,743 km

• M1: 72,256 km (0.07 R)
• M2: 244,742 km (0.068 R)
• M3: 592,258 km (0.107 R)
• M4: 1,285,794 km (0.086 R)
• M5: 1,880,296 km (0.03 R)
• M6: 2,120,101 km (0.072 R)
• M7: 2,471,506 km (0.096 R)
• M8: 3,615,481 km (0.106 R)
• M9: 4,522,942 km (0.112 R)
• M10: 5,637,596 km (0.037 R)
• M11: 5,934,248 km (0.057 R)
• M12: 8,352,498 km (0.071 R)
• M13: 8,913,490 km (0.119 R)
• M14: 10,498,779 km (0.083 R)
• M15: 10,746,812 km (0.104 R)
• M16: 11,938,209 km (0.107 R)
• M17: 12,317,739 km (0.115 R)
• M18: 12,986,890 km (0.061 R)
• M19: 16,168,388 km (0.068 R)
• M20: 17,868,119 km (0.096 R)
• M21: 20,519,592 km (0.108 R)
• M22: 21,300,194 km (0.058 R)
• M23: 22,262,856 km (0.107 R)
• M24: 23,422,090 km (0.065 R)
• M25: 24,795,697 km (0.107 R)
• M26: 26,586,982 km (0.113 R)
• M27: 28,271,305 km (0.062 R)
• M28: 28,655,173 km (0.042 R)
• M29: 29,432,932 km (0.092 R)
• M30: 33,002,337 km (0.12 R)
• M31: 33,856,840 km (0.071 R)
• M32: 36,963,988 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 15,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit