🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.8

Radius: 8.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 11.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,065,627 km

• M1: 102,026 km (0.039 R)
• M2: 365,468 km (0.066 R)
• M3: 720,912 km (0.03 R)
• M4: 1,117,646 km (0.063 R)
• M5: 1,472,492 km (0.061 R)
• M6: 1,749,846 km (0.067 R)
• M7: 2,534,487 km (0.072 R)
• M8: 3,320,624 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.3

Radius: 11.8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.87 AU - 1.05 AU

Year: 649 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 69.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,065,627 km

• M1: 147,653 km (0.065 R)
• M2: 586,872 km (0.112 R)
• M3: 1,236,277 km (0.102 R)
• M4: 2,076,119 km (0.075 R)
• M5: 2,718,044 km (0.052 R)
• M6: 3,529,463 km (0.094 R)
• M7: 3,896,576 km (0.072 R)
• M8: 4,367,959 km (0.114 R)
• M9: 4,877,339 km (0.102 R)
• M10: 5,262,554 km (0.12 R)
• M11: 5,898,345 km (0.103 R)
• M12: 6,438,992 km (0.056 R)
• M13: 7,255,946 km (0.067 R)
• M14: 7,877,525 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.4

Radius: 10.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.36 AU - 1.48 AU

Year: 1168 Days

Day: 12.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,065,627 km

• M1: 133,890 km (0.056 R)
• M2: 452,234 km (0.099 R)
• M3: 803,041 km (0.074 R)
• M4: 1,418,487 km (0.099 R)
• M5: 2,081,206 km (0.116 R)
• M6: 2,981,934 km (0.117 R)
• M7: 4,110,351 km (0.086 R)
• M8: 4,704,853 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.2

Radius: 11.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.96 AU - 3 AU

Year: 2696 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,065,627 km

• M1: 146,905 km (0.073 R)
• M2: 541,095 km (0.108 R)
• M3: 1,050,626 km (0.057 R)
• M4: 1,470,547 km (0.105 R)
• M5: 2,185,326 km (0.101 R)
• M6: 2,731,358 km (0.11 R)
• M7: 3,149,634 km (0.094 R)
• M8: 4,690,043 km (0.12 R)
• M9: 5,403,325 km (0.099 R)
• M10: 6,284,607 km (0.114 R)
• M11: 9,768,143 km (0.071 R)
• M12: 10,338,709 km (0.118 R)
• M13: 13,327,674 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.4

Radius: 14.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.1 AU - 3.14 AU

Year: 2927 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,065,627 km

• M1: 180,565 km (0.109 R)
• M2: 776,114 km (0.082 R)
• M3: 1,259,913 km (0.114 R)
• M4: 1,977,833 km (0.08 R)
• M5: 3,258,840 km (0.091 R)
• M6: 3,738,451 km (0.117 R)
• M7: 4,221,502 km (0.058 R)
• M8: 5,111,909 km (0.055 R)
• M9: 5,763,856 km (0.057 R)
• M10: 6,324,848 km (0.068 R)
• M11: 7,014,943 km (0.118 R)
• M12: 7,557,086 km (0.072 R)
• M13: 8,546,526 km (0.061 R)
• M14: 10,741,576 km (0.074 R)
• M15: 12,037,243 km (0.088 R)
• M16: 13,874,455 km (0.097 R)
• M17: 15,516,441 km (0.1 R)
• M18: 17,399,429 km (0.088 R)
• M19: 18,336,510 km (0.103 R)
• M20: 19,993,755 km (0.112 R)
• M21: 22,084,834 km (0.103 R)
• M22: 23,675,359 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 8.4

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.05 AU - 6.01 AU

Year: 8976 Days

Day: 12 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,065,627 km

• M1: 104,419 km (0.066 R)
• M2: 568,771 km (0.08 R)
• M3: 1,403,527 km (0.081 R)
• M4: 1,685,818 km (0.087 R)
• M5: 2,022,563 km (0.088 R)
• M6: 2,592,980 km (0.09 R)
• M7: 4,131,295 km (0.118 R)
• M8: 4,957,225 km (0.119 R)
• M9: 5,234,729 km (0.105 R)
• M10: 5,522,555 km (0.076 R)
• M11: 5,787,343 km (0.069 R)
• M12: 7,047,406 km (0.101 R)
• M13: 8,745,342 km (0.041 R)
• M14: 9,105,873 km (0.084 R)
• M15: 10,904,638 km (0.095 R)
• M16: 13,219,665 km (0.113 R)
• M17: 14,617,208 km (0.089 R)
• M18: 16,928,944 km (0.11 R)
• M19: 20,877,580 km (0.037 R)
• M20: 22,180,727 km (0.094 R)
• M21: 23,107,336 km (0.079 R)
• M22: 23,710,515 km (0.083 R)
• M23: 24,235,603 km (0.118 R)
• M24: 29,618,733 km (0.107 R)
• M25: 31,053,227 km (0.115 R)
• M26: 32,105,797 km (0.051 R)
• M27: 34,505,048 km (0.118 R)
• M28: 36,207,621 km (0.083 R)
• M29: 37,846,765 km (0.068 R)
• M30: 40,895,570 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193

Radius: 5.4

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.78 AU - 7.84 AU

Year: 12267 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,065,627 km

• M1: 67,618 km (0.083 R)
• M2: 510,129 km (0.082 R)
• M3: 774,618 km (0.12 R)
• M4: 1,430,604 km (0.039 R)
• M5: 2,166,626 km (0.085 R)
• M6: 2,865,398 km (0.085 R)
• M7: 3,046,112 km (0.093 R)
• M8: 3,277,241 km (0.104 R)
• M9: 3,497,598 km (0.072 R)
• M10: 4,192,929 km (0.087 R)
• M11: 4,373,793 km (0.117 R)
• M12: 5,208,848 km (0.109 R)
• M13: 5,632,958 km (0.079 R)
• M14: 6,014,433 km (0.103 R)
• M15: 6,900,052 km (0.115 R)
• M16: 8,468,436 km (0.081 R)
• M17: 9,313,515 km (0.102 R)
• M18: 9,892,159 km (0.085 R)
• M19: 13,040,147 km (0.072 R)
• M20: 13,594,407 km (0.05 R)
• M21: 14,338,358 km (0.075 R)
• M22: 14,869,131 km (0.088 R)
• M23: 16,032,254 km (0.092 R)
• M24: 16,539,840 km (0.108 R)
• M25: 17,520,005 km (0.065 R)
• M26: 22,848,532 km (0.103 R)
• M27: 26,443,817 km (0.098 R)
• M28: 27,600,807 km (0.101 R)
• M29: 28,698,257 km (0.05 R)
• M30: 31,766,809 km (0.069 R)
• M31: 34,520,457 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.2

Radius: 4.2

Gravity: 33.06 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.31 AU - 10.45 AU

Year: 19830 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,065,627 km

• M1: 52,808 km (0.094 R)
• M2: 220,806 km (0.057 R)
• M3: 410,497 km (0.032 R)
• M4: 551,567 km (0.101 R)
• M5: 1,006,046 km (0.047 R)
• M6: 1,282,802 km (0.067 R)
• M7: 1,431,502 km (0.03 R)
• M8: 2,291,839 km (0.091 R)
• M9: 2,489,309 km (0.058 R)
• M10: 2,969,069 km (0.12 R)
• M11: 3,367,448 km (0.082 R)
• M12: 3,740,844 km (0.086 R)
• M13: 7,779,987 km (0.057 R)
• M14: 9,896,498 km (0.075 R)
• M15: 10,127,327 km (0.093 R)
• M16: 11,908,589 km (0.111 R)
• M17: 12,501,296 km (0.051 R)
• M18: 18,835,718 km (0.062 R)
• M19: 25,159,669 km (0.071 R)
• M20: 26,133,701 km (0.119 R)
• M21: 28,970,376 km (0.095 R)
• M22: 30,160,277 km (0.059 R)
• M23: 30,767,196 km (0.085 R)
• M24: 37,570,308 km (0.099 R)
• M25: 39,559,511 km (0.032 R)
• M26: 39,994,841 km (0.088 R)
• M27: 41,468,530 km (0.065 R)
• M28: 44,211,856 km (0.108 R)
• M29: 49,215,605 km (0.082 R)
• M30: 52,987,117 km (0.116 R)
• M31: 63,843,584 km (0.092 R)
• M32: 66,874,287 km (0.112 R)
• M33: 70,849,103 km (0.094 R)
• M34: 71,062,579 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.6

Radius: 7.8

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.76 AU - 10.4 AU

Year: 20467 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,065,627 km

• M1: 96,939 km (0.078 R)
• M2: 430,393 km (0.061 R)
• M3: 894,446 km (0.041 R)
• M4: 1,786,647 km (0.118 R)
• M5: 2,838,021 km (0.063 R)
• M6: 3,870,546 km (0.054 R)
• M7: 4,320,387 km (0.081 R)
• M8: 6,047,344 km (0.102 R)
• M9: 8,450,485 km (0.114 R)
• M10: 9,041,845 km (0.037 R)
• M11: 12,419,914 km (0.069 R)
• M12: 12,694,277 km (0.115 R)
• M13: 14,806,000 km (0.044 R)
• M14: 15,985,280 km (0.119 R)
• M15: 18,978,584 km (0.091 R)
• M16: 21,137,132 km (0.057 R)
• M17: 30,658,588 km (0.06 R)
• M18: 37,187,487 km (0.032 R)
• M19: 39,357,405 km (0.037 R)
• M20: 41,610,199 km (0.073 R)
• M21: 45,391,584 km (0.092 R)
• M22: 46,701,164 km (0.099 R)
• M23: 52,907,381 km (0.063 R)
• M24: 73,878,011 km (0.227 R)
• M25: 75,233,068 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 10,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit