🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.3

Radius: 12.2

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.51 AU - 0.71 AU

Year: 335 Days

Day: 14.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,782,207 km

• M1: 151,692 km (0.118 R)
• M2: 568,322 km (0.078 R)
• M3: 1,004,849 km (0.045 R)
• M4: 1,485,806 km (0.117 R)
• M5: 2,120,251 km (0.087 R)
• M6: 2,528,802 km (0.063 R)
• M7: 3,394,974 km (0.088 R)
• M8: 4,490,180 km (0.102 R)
• M9: 4,995,073 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.8

Radius: 9.9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.81 AU - 1.29 AU

Year: 756 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,782,207 km

• M1: 124,017 km (0.098 R)
• M2: 650,003 km (0.089 R)
• M3: 1,272,779 km (0.109 R)
• M4: 1,714,541 km (0.12 R)
• M5: 2,451,760 km (0.102 R)
• M6: 2,852,083 km (0.097 R)
• M7: 3,944,148 km (0.118 R)
• M8: 4,275,806 km (0.084 R)
• M9: 6,365,389 km (0.07 R)
• M10: 6,952,262 km (0.103 R)
• M11: 7,393,127 km (0.086 R)
• M12: 7,899,665 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.3

Radius: 10.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.49 AU - 1.59 AU

Year: 1343 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,782,207 km

• M1: 125,662 km (0.09 R)
• M2: 568,921 km (0.065 R)
• M3: 901,926 km (0.106 R)
• M4: 1,370,017 km (0.039 R)
• M5: 1,725,163 km (0.118 R)
• M6: 2,433,808 km (0.09 R)
• M7: 3,112,085 km (0.063 R)
• M8: 5,411,553 km (0.12 R)
• M9: 7,287,511 km (0.117 R)
• M10: 9,472,388 km (0.096 R)
• M11: 10,649,723 km (0.115 R)
• M12: 11,273,845 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 13.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.21 AU - 3.45 AU

Year: 4271 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,782,207 km

• M1: 182,210 km (0.119 R)
• M2: 833,260 km (0.103 R)
• M3: 1,692,401 km (0.092 R)
• M4: 2,705,777 km (0.062 R)
• M5: 3,197,355 km (0.11 R)
• M6: 4,047,670 km (0.112 R)
• M7: 5,464,511 km (0.115 R)
• M8: 6,316,620 km (0.03 R)
• M9: 8,107,756 km (0.099 R)
• M10: 8,539,794 km (0.085 R)
• M11: 10,011,239 km (0.065 R)
• M12: 13,352,208 km (0.082 R)
• M13: 15,274,541 km (0.079 R)
• M14: 16,444,396 km (0.1 R)
• M15: 17,613,205 km (0.093 R)
• M16: 19,791,050 km (0.047 R)
• M17: 21,180,815 km (0.092 R)
• M18: 22,423,225 km (0.115 R)
• M19: 23,205,921 km (0.106 R)
• M20: 25,280,843 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.9

Radius: 4.1

Gravity: 26.11 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.35 AU - 6.23 AU

Year: 9793 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,782,207 km

• M1: 51,611 km (0.116 R)
• M2: 258,056 km (0.09 R)
• M3: 401,670 km (0.052 R)
• M4: 766,390 km (0.103 R)
• M5: 1,240,166 km (0.114 R)
• M6: 1,487,152 km (0.084 R)
• M7: 1,679,087 km (0.112 R)
• M8: 1,918,443 km (0.116 R)
• M9: 2,095,866 km (0.073 R)
• M10: 2,373,669 km (0.117 R)
• M11: 2,559,320 km (0.119 R)
• M12: 2,835,628 km (0.102 R)
• M13: 3,613,387 km (0.113 R)
• M14: 4,412,988 km (0.114 R)
• M15: 5,642,682 km (0.117 R)
• M16: 7,084,357 km (0.046 R)
• M17: 7,430,825 km (0.06 R)
• M18: 8,115,984 km (0.054 R)
• M19: 8,842,281 km (0.076 R)
• M20: 9,108,715 km (0.112 R)
• M21: 9,798,062 km (0.078 R)
• M22: 10,423,082 km (0.064 R)
• M23: 12,347,060 km (0.11 R)
• M24: 13,538,009 km (0.03 R)
• M25: 14,011,187 km (0.104 R)
• M26: 21,600,885 km (0.03 R)
• M27: 23,491,653 km (0.076 R)
• M28: 27,598,563 km (0.105 R)
• M29: 38,592,959 km (0.097 R)
• M30: 39,423,078 km (0.048 R)
• M31: 40,143,990 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.7

Radius: 3.2

Gravity: 92.55 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.09 AU - 9.89 AU

Year: 18947 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,782,207 km

• M1: 40,541 km (0.042 R)
• M2: 164,109 km (0.102 R)
• M3: 310,266 km (0.108 R)
• M4: 946,356 km (0.046 R)
• M5: 1,256,622 km (0.065 R)
• M6: 1,443,619 km (0.062 R)
• M7: 1,666,670 km (0.075 R)
• M8: 1,872,965 km (0.095 R)
• M9: 2,095,866 km (0.111 R)
• M10: 2,977,446 km (0.089 R)
• M11: 4,014,758 km (0.084 R)
• M12: 5,550,829 km (0.094 R)
• M13: 5,673,499 km (0.119 R)
• M14: 5,840,002 km (0.114 R)
• M15: 6,675,805 km (0.095 R)
• M16: 7,689,031 km (0.101 R)
• M17: 7,996,305 km (0.063 R)
• M18: 12,557,096 km (0.085 R)
• M19: 16,827,965 km (0.109 R)
• M20: 18,321,401 km (0.105 R)
• M21: 24,845,663 km (0.093 R)
• M22: 26,428,558 km (0.072 R)
• M23: 30,170,151 km (0.088 R)
• M24: 34,387,165 km (0.096 R)
• M25: 35,499,425 km (0.094 R)
• M26: 36,923,447 km (0.088 R)
• M27: 40,036,729 km (0.111 R)
• M28: 43,642,187 km (0.089 R)
• M29: 50,239,902 km (0.107 R)
• M30: 50,773,218 km (0.085 R)
• M31: 78,635,522 km (0.049 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 20,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit