🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 8.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.64 AU - 0.9 AU

Year: 466 Days

Day: 10.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,250,603 km

• M1: 109,506 km (0.116 R)
• M2: 441,613 km (0.091 R)
• M3: 972,985 km (0.08 R)
• M4: 1,259,315 km (0.092 R)
• M5: 1,596,060 km (0.115 R)
• M6: 1,944,623 km (0.057 R)
• M7: 2,307,996 km (0.043 R)
• M8: 2,597,617 km (0.098 R)
• M9: 3,228,322 km (0.081 R)
• M10: 3,629,095 km (0.119 R)
• M11: 4,036,300 km (0.064 R)
• M12: 4,837,247 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.1

Radius: 12

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.45 AU - 1.45 AU

Year: 1205 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,250,603 km

• M1: 149,299 km (0.026 R)
• M2: 607,517 km (0.092 R)
• M3: 1,221,766 km (0.051 R)
• M4: 1,788,443 km (0.107 R)
• M5: 2,196,546 km (0.117 R)
• M6: 2,572,635 km (0.101 R)
• M7: 2,966,227 km (0.119 R)
• M8: 3,861,271 km (0.08 R)
• M9: 4,380,824 km (0.051 R)
• M10: 5,286,190 km (0.071 R)
• M11: 6,487,910 km (0.086 R)
• M12: 8,093,993 km (0.062 R)
• M13: 8,675,031 km (0.104 R)
• M14: 9,255,471 km (0.114 R)
• M15: 9,744,207 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863

Radius: 11

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.48 AU - 2.18 AU

Year: 1709 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,250,603 km

• M1: 136,882 km (0.056 R)
• M2: 1,178,981 km (0.108 R)
• M3: 2,030,641 km (0.093 R)
• M4: 2,752,002 km (0.118 R)
• M5: 3,172,971 km (0.07 R)
• M6: 3,550,705 km (0.098 R)
• M7: 4,088,809 km (0.117 R)
• M8: 4,497,211 km (0.115 R)
• M9: 4,847,869 km (0.118 R)
• M10: 5,865,583 km (0.056 R)
• M11: 6,671,915 km (0.07 R)
• M12: 7,694,866 km (0.096 R)
• M13: 8,320,185 km (0.039 R)
• M14: 11,620,164 km (0.1 R)
• M15: 12,972,978 km (0.045 R)
• M16: 14,339,554 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 9.4

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.69 AU - 2.77 AU

Year: 2299 Days

Day: 5.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,250,603 km

• M1: 117,285 km (0.113 R)
• M2: 577,149 km (0.091 R)
• M3: 910,901 km (0.113 R)
• M4: 1,285,644 km (0.04 R)
• M5: 1,762,861 km (0.094 R)
• M6: 2,437,847 km (0.111 R)
• M7: 2,913,568 km (0.081 R)
• M8: 3,275,745 km (0.082 R)
• M9: 3,576,137 km (0.099 R)
• M10: 4,192,032 km (0.115 R)
• M11: 4,611,803 km (0.036 R)
• M12: 4,922,219 km (0.044 R)
• M13: 5,964,318 km (0.109 R)
• M14: 7,503,380 km (0.099 R)
• M15: 8,028,619 km (0.12 R)
• M16: 8,479,357 km (0.041 R)
• M17: 8,913,041 km (0.111 R)
• M18: 9,716,382 km (0.086 R)
• M19: 11,030,599 km (0.027 R)
• M20: 11,346,849 km (0.088 R)
• M21: 11,956,311 km (0.114 R)
• M22: 13,108,214 km (0.045 R)
• M23: 13,779,310 km (0.098 R)
• M24: 15,483,230 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.3

Radius: 13.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.08 AU - 3.16 AU

Year: 2927 Days

Day: 6.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,250,603 km

• M1: 173,534 km (0.075 R)
• M2: 782,247 km (0.068 R)
• M3: 1,327,532 km (0.118 R)
• M4: 2,455,649 km (0.029 R)
• M5: 3,007,216 km (0.05 R)
• M6: 3,851,098 km (0.075 R)
• M7: 5,029,929 km (0.045 R)
• M8: 5,683,522 km (0.081 R)
• M9: 6,480,580 km (0.079 R)
• M10: 7,471,217 km (0.104 R)
• M11: 8,015,903 km (0.091 R)
• M12: 8,855,596 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.3

Radius: 13.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.97 AU - 5.87 AU

Year: 7533 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,250,603 km

• M1: 165,156 km (0.05 R)
• M2: 623,973 km (0.114 R)
• M3: 1,036,863 km (0.08 R)
• M4: 1,535,921 km (0.062 R)
• M5: 2,128,927 km (0.081 R)
• M6: 5,344,384 km (0.091 R)
• M7: 9,660,283 km (0.078 R)
• M8: 10,481,575 km (0.101 R)
• M9: 11,391,429 km (0.118 R)
• M10: 14,043,051 km (0.112 R)
• M11: 15,252,251 km (0.078 R)
• M12: 16,042,427 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 14.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.34 AU - 6.22 AU

Year: 8375 Days

Day: 14.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,250,603 km

• M1: 185,352 km (0.1 R)
• M2: 672,143 km (0.118 R)
• M3: 1,221,616 km (0.07 R)
• M4: 3,804,124 km (0.114 R)
• M5: 4,759,905 km (0.105 R)
• M6: 5,233,831 km (0.074 R)
• M7: 5,970,750 km (0.093 R)
• M8: 7,378,466 km (0.116 R)
• M9: 8,690,739 km (0.095 R)
• M10: 11,097,020 km (0.041 R)
• M11: 13,800,104 km (0.066 R)
• M12: 15,400,203 km (0.085 R)
• M13: 20,942,655 km (0.1 R)
• M14: 22,388,518 km (0.113 R)
• M15: 25,210,532 km (0.078 R)
• M16: 27,219,033 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953

Radius: 3.6

Gravity: 73.53 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.83 AU - 6.45 AU

Year: 10502 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 66,250,603 km

• M1: 68,067 km (0.095 R)
• M2: 297,401 km (0.073 R)
• M3: 586,124 km (0.113 R)
• M4: 1,132,007 km (0.104 R)
• M5: 2,177,846 km (0.092 R)
• M6: 2,352,875 km (0.107 R)
• M7: 3,296,389 km (0.061 R)
• M8: 3,660,361 km (0.096 R)
• M9: 4,108,257 km (0.071 R)
• M10: 4,978,617 km (0.106 R)
• M11: 5,743,511 km (0.107 R)
• M12: 7,546,315 km (0.073 R)
• M13: 7,902,059 km (0.087 R)
• M14: 8,268,873 km (0.096 R)
• M15: 8,456,468 km (0.036 R)
• M16: 8,791,568 km (0.113 R)
• M17: 9,539,557 km (0.072 R)
• M18: 13,146,511 km (0.044 R)
• M19: 14,255,929 km (0.087 R)
• M20: 14,661,938 km (0.069 R)
• M21: 15,568,052 km (0.068 R)
• M22: 15,710,619 km (0.119 R)
• M23: 15,998,445 km (0.033 R)
• M24: 16,143,705 km (0.117 R)
• M25: 17,645,069 km (0.069 R)
• M26: 18,429,560 km (0.077 R)
• M27: 19,155,110 km (0.084 R)
• M28: 21,889,460 km (0.081 R)
• M29: 23,818,524 km (0.103 R)
• M30: 24,008,065 km (0.112 R)
• M31: 31,630,675 km (0.085 R)
• M32: 34,089,316 km (0.075 R)
• M33: 34,936,339 km (0.083 R)
• M34: 35,797,274 km (0.108 R)
• M35: 36,672,272 km (0.116 R)
• M36: 39,913,759 km (0.119 R)
• M37: 40,584,257 km (0.118 R)
• M38: 43,341,046 km (0.065 R)
• M39: 44,765,218 km (0.08 R)
• M40: 46,662,717 km (0.104 R)
• M41: 46,959,370 km (0.096 R)
• M42: 47,406,668 km (0.091 R)
• M43: 49,377,769 km (0.092 R)
• M44: 51,087,673 km (0.066 R)
• M45: 53,320,421 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.5

Radius: 3.3

Gravity: 20.52 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.56 AU - 9.1 AU

Year: 15124 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,250,603 km

• M1: 41,289 km (0.093 R)
• M2: 443,258 km (0.117 R)
• M3: 1,025,493 km (0.099 R)
• M4: 1,935,497 km (0.042 R)
• M5: 3,542,926 km (0.092 R)
• M6: 3,665,896 km (0.11 R)
• M7: 4,186,796 km (0.104 R)
• M8: 4,550,767 km (0.072 R)
• M9: 9,329,821 km (0.051 R)
• M10: 9,755,576 km (0.118 R)
• M11: 14,063,546 km (0.116 R)
• M12: 14,622,743 km (0.118 R)
• M13: 20,103,859 km (0.098 R)
• M14: 23,903,047 km (0.051 R)
• M15: 24,431,277 km (0.071 R)
• M16: 25,786,035 km (0.079 R)
• M17: 29,140,169 km (0.085 R)
• M18: 30,662,477 km (0.112 R)
• M19: 32,881,612 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.5

Radius: 3.5

Gravity: 27.47 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.13 AU - 12.69 AU

Year: 23184 Days

Day: 15.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,250,603 km

• M1: 43,533 km (0.072 R)
• M2: 429,645 km (0.098 R)
• M3: 557,402 km (0.084 R)
• M4: 777,759 km (0.095 R)
• M5: 1,115,701 km (0.047 R)
• M6: 1,420,432 km (0.068 R)
• M7: 1,592,320 km (0.073 R)
• M8: 3,369,991 km (0.112 R)
• M9: 3,507,023 km (0.037 R)
• M10: 3,676,368 km (0.082 R)
• M11: 4,573,207 km (0.081 R)
• M12: 4,707,546 km (0.036 R)
• M13: 5,054,613 km (0.115 R)
• M14: 5,307,433 km (0.054 R)
• M15: 5,760,565 km (0.097 R)
• M16: 7,229,018 km (0.112 R)
• M17: 8,723,052 km (0.086 R)
• M18: 9,956,187 km (0.089 R)
• M19: 10,820,115 km (0.105 R)
• M20: 13,989,645 km (0.116 R)
• M21: 14,997,486 km (0.071 R)
• M22: 17,156,333 km (0.112 R)
• M23: 18,819,412 km (0.108 R)
• M24: 22,655,401 km (0.082 R)
• M25: 23,341,457 km (0.075 R)
• M26: 23,739,836 km (0.103 R)
• M27: 23,940,596 km (0.05 R)
• M28: 24,961,751 km (0.072 R)
• M29: 33,941,513 km (0.075 R)
• M30: 37,355,187 km (0.093 R)
• M31: 42,008,279 km (0.036 R)
• M32: 46,717,470 km (0.109 R)
• M33: 47,667,866 km (0.066 R)
• M34: 59,354,601 km (0.067 R)
• M35: 61,219,488 km (0.104 R)
• M36: 66,052,247 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 14,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit