🌌 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: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.5

Radius: 9.1

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.71 AU - 0.95 AU

Year: 488 Days

Day: 13.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,862,174 km

• M1: 113,395 km (0.078 R)
• M2: 401,820 km (0.093 R)
• M3: 797,357 km (0.06 R)
• M4: 1,087,277 km (0.076 R)
• M5: 1,463,366 km (0.041 R)
• M6: 2,037,822 km (0.101 R)
• M7: 2,333,876 km (0.076 R)
• M8: 2,669,424 km (0.108 R)
• M9: 3,215,606 km (0.091 R)
• M10: 3,685,942 km (0.116 R)
• M11: 4,100,478 km (0.05 R)
• M12: 4,701,412 km (0.079 R)
• M13: 5,089,320 km (0.078 R)
• M14: 5,729,449 km (0.094 R)
• M15: 6,229,555 km (0.088 R)
• M16: 6,519,924 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 13.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.07 AU - 1.29 AU

Year: 828 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,862,174 km

• M1: 173,833 km (0.041 R)
• M2: 1,035,068 km (0.116 R)
• M3: 1,542,055 km (0.1 R)
• M4: 2,037,822 km (0.06 R)
• M5: 3,021,877 km (0.045 R)
• M6: 4,014,908 km (0.088 R)
• M7: 4,636,786 km (0.109 R)
• M8: 5,784,650 km (0.07 R)
• M9: 7,403,000 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 8.6

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.63 AU - 6.33 AU

Year: 8283 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,862,174 km

• M1: 106,962 km (0.083 R)
• M2: 394,490 km (0.112 R)
• M3: 920,625 km (0.059 R)
• M4: 1,286,841 km (0.078 R)
• M5: 1,557,164 km (0.119 R)
• M6: 2,215,844 km (0.109 R)
• M7: 2,590,287 km (0.084 R)
• M8: 3,198,552 km (0.046 R)
• M9: 3,560,280 km (0.09 R)
• M10: 3,898,820 km (0.072 R)
• M11: 6,796,830 km (0.108 R)
• M12: 7,281,527 km (0.041 R)
• M13: 7,591,194 km (0.108 R)
• M14: 8,488,482 km (0.118 R)
• M15: 9,776,969 km (0.09 R)
• M16: 10,202,126 km (0.076 R)
• M17: 12,960,860 km (0.099 R)
• M18: 13,648,263 km (0.106 R)
• M19: 15,283,666 km (0.059 R)
• M20: 29,552,910 km (0.085 R)
• M21: 31,451,008 km (0.048 R)
• M22: 32,170,274 km (0.089 R)
• M23: 39,619,949 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.5

Radius: 4.1

Gravity: 38.46 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.39 AU - 7.43 AU

Year: 10479 Days

Day: 16.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 46,862,174 km

• M1: 51,761 km (0.075 R)
• M2: 189,690 km (0.093 R)
• M3: 754,871 km (0.046 R)
• M4: 1,294,919 km (0.045 R)
• M5: 1,609,224 km (0.075 R)
• M6: 1,872,666 km (0.087 R)
• M7: 2,146,281 km (0.086 R)
• M8: 2,465,822 km (0.059 R)
• M9: 2,626,789 km (0.061 R)
• M10: 2,859,414 km (0.102 R)
• M11: 3,850,051 km (0.049 R)
• M12: 4,891,551 km (0.07 R)
• M13: 5,049,676 km (0.05 R)
• M14: 5,178,629 km (0.105 R)
• M15: 5,309,827 km (0.117 R)
• M16: 6,254,388 km (0.052 R)
• M17: 7,264,772 km (0.113 R)
• M18: 8,245,236 km (0.088 R)
• M19: 9,310,822 km (0.12 R)
• M20: 9,901,733 km (0.044 R)
• M21: 11,157,907 km (0.11 R)
• M22: 12,051,904 km (0.117 R)
• M23: 13,053,162 km (0.095 R)
• M24: 14,108,575 km (0.103 R)
• M25: 22,693,399 km (0.074 R)
• M26: 27,756,838 km (0.074 R)
• M27: 29,286,326 km (0.085 R)
• M28: 29,703,405 km (0.069 R)
• M29: 30,549,531 km (0.114 R)
• M30: 30,763,605 km (0.112 R)
• M31: 32,735,006 km (0.108 R)
• M32: 34,441,020 km (0.096 R)
• M33: 38,276,560 km (0.115 R)
• M34: 40,040,468 km (0.109 R)
• M35: 44,274,387 km (0.065 R)
• M36: 44,548,600 km (0.081 R)
• M37: 45,516,798 km (0.081 R)
• M38: 45,936,121 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.2

Radius: 5.3

Gravity: 20.37 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.76 AU - 7.14 AU

Year: 10577 Days

Day: 17.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,862,174 km

• M1: 65,973 km (0.1 R)
• M2: 381,774 km (0.106 R)
• M3: 976,874 km (0.116 R)
• M4: 1,354,908 km (0.119 R)
• M5: 1,584,989 km (0.056 R)
• M6: 2,341,506 km (0.115 R)
• M7: 2,736,444 km (0.089 R)
• M8: 3,362,511 km (0.049 R)
• M9: 3,532,903 km (0.077 R)
• M10: 3,971,225 km (0.076 R)
• M11: 4,330,260 km (0.111 R)
• M12: 5,504,304 km (0.069 R)
• M13: 6,128,576 km (0.06 R)
• M14: 7,851,644 km (0.109 R)
• M15: 8,416,825 km (0.058 R)
• M16: 14,457,886 km (0.036 R)
• M17: 15,979,895 km (0.095 R)
• M18: 19,338,068 km (0.108 R)
• M19: 26,630,515 km (0.104 R)
• M20: 27,802,315 km (0.116 R)
• M21: 30,248,241 km (0.111 R)
• M22: 35,563,303 km (0.108 R)
• M23: 35,797,274 km (0.09 R)
• M24: 37,950,137 km (0.077 R)
• M25: 41,727,484 km (0.074 R)
• M26: 44,245,216 km (0.106 R)
• M27: 44,515,838 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 12,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit