🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 8.8

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.69 AU - 0.71 AU

Year: 404 Days

Day: 6.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,044,213 km

• M1: 109,506 km (0.105 R)
• M2: 390,301 km (0.095 R)
• M3: 711,338 km (0.034 R)
• M4: 1,188,705 km (0.118 R)
• M5: 2,422,289 km (0.081 R)
• M6: 2,706,375 km (0.119 R)
• M7: 3,311,648 km (0.11 R)
• M8: 3,674,273 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.4

Radius: 8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.6 AU - 0.96 AU

Year: 476 Days

Day: 5.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,044,213 km

• M1: 99,483 km (0.095 R)
• M2: 470,934 km (0.116 R)
• M3: 900,280 km (0.05 R)
• M4: 1,459,327 km (0.051 R)
• M5: 2,084,497 km (0.111 R)
• M6: 2,431,564 km (0.096 R)
• M7: 2,967,723 km (0.085 R)
• M8: 4,626,464 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.8

Radius: 13.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.32 AU - 1.62 AU

Year: 1230 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,044,213 km

• M1: 165,455 km (0.097 R)
• M2: 604,675 km (0.06 R)
• M3: 1,048,980 km (0.047 R)
• M4: 1,964,669 km (0.09 R)
• M5: 2,628,734 km (0.082 R)
• M6: 3,903,308 km (0.119 R)
• M7: 4,347,913 km (0.031 R)
• M8: 4,976,672 km (0.102 R)
• M9: 5,501,013 km (0.052 R)
• M10: 6,277,575 km (0.053 R)
• M11: 6,891,076 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.8

Radius: 9.9

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.88 AU - 2.88 AU

Year: 2534 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,044,213 km

• M1: 123,119 km (0.095 R)
• M2: 854,204 km (0.119 R)
• M3: 1,169,107 km (0.109 R)
• M4: 1,553,424 km (0.104 R)
• M5: 2,349,883 km (0.048 R)
• M6: 2,684,085 km (0.115 R)
• M7: 3,179,553 km (0.119 R)
• M8: 3,940,558 km (0.1 R)
• M9: 4,498,408 km (0.085 R)
• M10: 5,062,691 km (0.093 R)
• M11: 6,874,172 km (0.069 R)
• M12: 7,713,565 km (0.113 R)
• M13: 8,299,540 km (0.119 R)
• M14: 8,815,803 km (0.099 R)
• M15: 10,055,969 km (0.118 R)
• M16: 11,213,856 km (0.069 R)
• M17: 12,964,151 km (0.057 R)
• M18: 14,471,649 km (0.12 R)
• M19: 15,652,425 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 11.7

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.59 AU - 5.73 AU

Year: 8091 Days

Day: 11 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,044,213 km

• M1: 146,008 km (0.115 R)
• M2: 1,230,442 km (0.076 R)
• M3: 1,946,418 km (0.084 R)
• M4: 2,317,869 km (0.088 R)
• M5: 3,052,245 km (0.076 R)
• M6: 3,987,980 km (0.079 R)
• M7: 4,395,485 km (0.071 R)
• M8: 4,982,357 km (0.111 R)
• M9: 5,687,561 km (0.102 R)
• M10: 7,538,237 km (0.089 R)
• M11: 8,121,519 km (0.062 R)
• M12: 10,813,532 km (0.058 R)
• M13: 11,340,566 km (0.053 R)
• M14: 13,262,300 km (0.072 R)
• M15: 14,426,321 km (0.117 R)
• M16: 16,127,847 km (0.093 R)
• M17: 19,769,658 km (0.108 R)
• M18: 22,794,377 km (0.117 R)
• M19: 23,574,231 km (0.083 R)
• M20: 27,548,298 km (0.115 R)
• M21: 29,744,844 km (0.116 R)
• M22: 30,156,537 km (0.116 R)
• M23: 35,627,182 km (0.112 R)
• M24: 36,325,205 km (0.07 R)
• M25: 45,020,432 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.2

Radius: 5.3

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.11 AU - 6.23 AU

Year: 10579 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,044,213 km

• M1: 66,122 km (0.046 R)
• M2: 264,788 km (0.096 R)
• M3: 1,181,225 km (0.077 R)
• M4: 1,381,536 km (0.103 R)
• M5: 3,205,434 km (0.072 R)
• M6: 5,742,314 km (0.114 R)
• M7: 6,488,957 km (0.086 R)
• M8: 8,094,142 km (0.08 R)
• M9: 9,329,372 km (0.101 R)
• M10: 9,856,854 km (0.051 R)
• M11: 11,558,829 km (0.04 R)
• M12: 17,296,057 km (0.05 R)
• M13: 19,119,057 km (0.11 R)
• M14: 20,991,872 km (0.1 R)
• M15: 21,440,816 km (0.09 R)
• M16: 25,014,110 km (0.049 R)
• M17: 26,374,553 km (0.085 R)
• M18: 27,604,846 km (0.115 R)
• M19: 31,233,043 km (0.065 R)
• M20: 33,515,009 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.7

Radius: 5.5

Gravity: 30.37 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.2 AU - 7.26 AU

Year: 10734 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,044,213 km

• M1: 68,516 km (0.102 R)
• M2: 258,954 km (0.101 R)
• M3: 1,018,911 km (0.09 R)
• M4: 1,654,253 km (0.05 R)
• M5: 2,243,669 km (0.079 R)
• M6: 3,033,994 km (0.118 R)
• M7: 4,347,165 km (0.074 R)
• M8: 5,145,568 km (0.049 R)
• M9: 5,741,566 km (0.086 R)
• M10: 6,781,122 km (0.041 R)
• M11: 7,895,476 km (0.082 R)
• M12: 8,123,015 km (0.082 R)
• M13: 9,276,564 km (0.072 R)
• M14: 9,997,775 km (0.098 R)
• M15: 10,264,209 km (0.089 R)
• M16: 10,535,430 km (0.085 R)
• M17: 11,148,781 km (0.095 R)
• M18: 11,493,156 km (0.12 R)
• M19: 11,726,827 km (0.085 R)
• M20: 13,973,488 km (0.071 R)
• M21: 15,127,935 km (0.107 R)
• M22: 16,271,312 km (0.04 R)
• M23: 18,970,805 km (0.09 R)
• M24: 20,045,217 km (0.114 R)
• M25: 21,776,364 km (0.08 R)
• M26: 25,930,996 km (0.06 R)
• M27: 28,299,429 km (0.119 R)
• M28: 28,832,746 km (0.098 R)
• M29: 33,818,394 km (0.054 R)
• M30: 35,641,244 km (0.039 R)
• M31: 36,388,485 km (0.084 R)
• M32: 37,656,776 km (0.06 R)
• M33: 39,614,115 km (0.089 R)
• M34: 45,745,234 km (0.089 R)
• M35: 47,821,054 km (0.105 R)
• M36: 50,894,392 km (0.111 R)
• M37: 54,260,344 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.8

Radius: 6.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.53 AU - 8.77 AU

Year: 16060 Days

Day: 20.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,044,213 km

• M1: 87,216 km (0.041 R)
• M2: 595,549 km (0.063 R)
• M3: 1,866,682 km (0.092 R)
• M4: 2,642,796 km (0.06 R)
• M5: 4,172,135 km (0.099 R)
• M6: 6,181,384 km (0.12 R)
• M7: 15,233,252 km (0.084 R)
• M8: 16,415,674 km (0.092 R)
• M9: 17,325,079 km (0.116 R)
• M10: 21,073,553 km (0.106 R)
• M11: 32,381,656 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.3

Radius: 3.7

Gravity: 37.71 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.44 AU - 10.1 AU

Year: 19482 Days

Day: 17.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,044,213 km

• M1: 51,462 km (0.102 R)
• M2: 169,494 km (0.073 R)
• M3: 542,442 km (0.042 R)
• M4: 1,254,977 km (0.081 R)
• M5: 3,062,568 km (0.111 R)
• M6: 3,192,119 km (0.116 R)
• M7: 3,660,660 km (0.11 R)
• M8: 4,079,534 km (0.113 R)
• M9: 4,596,694 km (0.071 R)
• M10: 5,192,542 km (0.075 R)
• M11: 6,795,034 km (0.027 R)
• M12: 8,596,941 km (0.054 R)
• M13: 8,960,314 km (0.084 R)
• M14: 10,993,050 km (0.11 R)
• M15: 11,545,365 km (0.083 R)
• M16: 12,572,654 km (0.054 R)
• M17: 14,011,486 km (0.083 R)
• M18: 14,153,903 km (0.118 R)
• M19: 14,733,595 km (0.087 R)
• M20: 15,785,867 km (0.116 R)
• M21: 16,251,864 km (0.092 R)
• M22: 16,887,356 km (0.108 R)
• M23: 18,292,379 km (0.066 R)
• M24: 21,145,061 km (0.086 R)
• M25: 23,269,650 km (0.047 R)
• M26: 25,532,168 km (0.076 R)
• M27: 26,173,643 km (0.078 R)
• M28: 26,825,890 km (0.07 R)
• M29: 28,732,814 km (0.051 R)
• M30: 32,314,636 km (0.05 R)
• M31: 34,730,642 km (0.064 R)
• M32: 36,856,427 km (0.088 R)
• M33: 39,349,626 km (0.088 R)
• M34: 47,019,658 km (0.068 R)
• M35: 51,287,536 km (0.076 R)
• M36: 63,264,940 km (0.096 R)
• M37: 66,024,571 km (0.103 R)
• M38: 67,029,271 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 13,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit