🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 8.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.59 AU - 0.75 AU

Year: 372 Days

Day: 5.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,113,512 km

• M1: 104,419 km (0.12 R)
• M2: 394,490 km (0.073 R)
• M3: 759,209 km (0.061 R)
• M4: 1,073,664 km (0.072 R)
• M5: 1,549,385 km (0.109 R)
• M6: 1,886,728 km (0.111 R)
• M7: 2,556,179 km (0.116 R)
• M8: 2,853,430 km (0.065 R)
• M9: 3,386,148 km (0.027 R)
• M10: 3,734,262 km (0.082 R)
• M11: 4,081,479 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 13.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.74 AU - 0.78 AU

Year: 449 Days

Day: 12.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,113,512 km

• M1: 170,691 km (0.113 R)
• M2: 629,807 km (0.081 R)
• M3: 1,067,830 km (0.106 R)
• M4: 1,533,677 km (0.102 R)
• M5: 1,978,731 km (0.069 R)
• M6: 2,557,675 km (0.072 R)
• M7: 3,567,909 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283

Radius: 12.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.26 AU - 1.8 AU

Year: 1284 Days

Day: 7.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,113,512 km

• M1: 153,039 km (0.05 R)
• M2: 569,669 km (0.053 R)
• M3: 1,824,496 km (0.104 R)
• M4: 2,250,700 km (0.087 R)
• M5: 2,744,074 km (0.118 R)
• M6: 3,190,175 km (0.091 R)
• M7: 3,713,767 km (0.099 R)
• M8: 4,970,090 km (0.072 R)
• M9: 5,973,593 km (0.068 R)
• M10: 6,385,735 km (0.102 R)
• M11: 6,861,157 km (0.112 R)
• M12: 8,610,554 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 12.2

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.26 AU - 1.94 AU

Year: 1373 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,113,512 km

• M1: 151,692 km (0.105 R)
• M2: 685,308 km (0.079 R)
• M3: 1,109,418 km (0.04 R)
• M4: 1,666,221 km (0.048 R)
• M5: 2,393,117 km (0.108 R)
• M6: 2,879,310 km (0.119 R)
• M7: 3,559,681 km (0.071 R)
• M8: 4,088,809 km (0.11 R)
• M9: 4,848,916 km (0.114 R)
• M10: 5,392,106 km (0.104 R)
• M11: 6,092,373 km (0.111 R)
• M12: 6,801,617 km (0.067 R)
• M13: 7,647,443 km (0.109 R)
• M14: 9,138,635 km (0.117 R)
• M15: 10,403,634 km (0.085 R)
• M16: 11,893,180 km (0.084 R)
• M17: 12,766,832 km (0.116 R)
• M18: 13,399,332 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.9

Radius: 12.3

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.73 AU - 2.73 AU

Year: 2259 Days

Day: 12.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,113,512 km

• M1: 153,787 km (0.119 R)
• M2: 845,826 km (0.086 R)
• M3: 1,362,537 km (0.068 R)
• M4: 1,802,654 km (0.071 R)
• M5: 2,498,284 km (0.108 R)
• M6: 3,056,733 km (0.034 R)
• M7: 3,843,319 km (0.093 R)
• M8: 5,480,817 km (0.092 R)
• M9: 5,917,194 km (0.109 R)
• M10: 6,350,729 km (0.071 R)
• M11: 6,943,136 km (0.095 R)
• M12: 9,516,818 km (0.074 R)
• M13: 10,735,293 km (0.098 R)
• M14: 11,934,320 km (0.087 R)
• M15: 13,220,712 km (0.111 R)
• M16: 13,698,827 km (0.071 R)
• M17: 14,278,668 km (0.086 R)
• M18: 15,535,290 km (0.059 R)
• M19: 16,067,858 km (0.093 R)
• M20: 17,067,471 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.2

Radius: 3.1

Gravity: 30.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.01 AU - 7.09 AU

Year: 12696 Days

Day: 18.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,113,512 km

• M1: 41,887 km (0.12 R)
• M2: 268,528 km (0.111 R)
• M3: 797,057 km (0.116 R)
• M4: 1,307,037 km (0.108 R)
• M5: 1,681,480 km (0.105 R)
• M6: 2,334,325 km (0.109 R)
• M7: 3,485,930 km (0.042 R)
• M8: 4,063,527 km (0.073 R)
• M9: 5,698,781 km (0.041 R)
• M10: 7,524,175 km (0.091 R)
• M11: 8,832,557 km (0.045 R)
• M12: 10,887,583 km (0.117 R)
• M13: 11,460,394 km (0.106 R)
• M14: 12,052,951 km (0.046 R)
• M15: 13,357,295 km (0.06 R)
• M16: 14,815,724 km (0.119 R)
• M17: 16,175,868 km (0.079 R)
• M18: 16,851,901 km (0.085 R)
• M19: 17,476,322 km (0.086 R)
• M20: 19,216,445 km (0.106 R)
• M21: 21,468,940 km (0.079 R)
• M22: 28,097,023 km (0.056 R)
• M23: 29,568,318 km (0.114 R)
• M24: 32,450,770 km (0.114 R)
• M25: 34,509,835 km (0.072 R)
• M26: 35,967,666 km (0.088 R)
• M27: 37,817,743 km (0.093 R)
• M28: 41,831,903 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.2

Radius: 6.3

Gravity: 18.83 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.72 AU - 8.54 AU

Year: 12913 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,113,512 km

• M1: 78,838 km (0.11 R)
• M2: 538,852 km (0.082 R)
• M3: 789,278 km (0.109 R)
• M4: 1,254,229 km (0.111 R)
• M5: 1,887,327 km (0.058 R)
• M6: 2,159,146 km (0.1 R)
• M7: 2,781,922 km (0.108 R)
• M8: 3,625,056 km (0.109 R)
• M9: 3,902,709 km (0.107 R)
• M10: 4,659,525 km (0.084 R)
• M11: 5,765,951 km (0.096 R)
• M12: 7,603,611 km (0.089 R)
• M13: 8,437,320 km (0.101 R)
• M14: 11,013,844 km (0.106 R)
• M15: 13,936,986 km (0.107 R)
• M16: 14,139,542 km (0.034 R)
• M17: 15,039,672 km (0.093 R)
• M18: 16,649,345 km (0.116 R)
• M19: 18,859,504 km (0.107 R)
• M20: 20,120,465 km (0.048 R)
• M21: 21,616,444 km (0.11 R)
• M22: 24,337,030 km (0.111 R)
• M23: 27,807,402 km (0.104 R)
• M24: 34,096,496 km (0.118 R)
• M25: 36,089,738 km (0.095 R)
• M26: 44,111,027 km (0.072 R)
• M27: 55,242,604 km (0.117 R)
• M28: 57,464,880 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.4

Radius: 7.7

Gravity: 16.37 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.17 AU - 8.67 AU

Year: 13709 Days

Day: 21.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,113,512 km

• M1: 95,892 km (0.115 R)
• M2: 377,735 km (0.084 R)
• M3: 990,039 km (0.102 R)
• M4: 1,275,172 km (0.03 R)
• M5: 1,615,358 km (0.074 R)
• M6: 1,886,878 km (0.055 R)
• M7: 2,229,008 km (0.084 R)
• M8: 3,483,237 km (0.1 R)
• M9: 3,910,937 km (0.093 R)
• M10: 5,406,916 km (0.103 R)
• M11: 6,679,994 km (0.101 R)
• M12: 9,209,694 km (0.107 R)
• M13: 10,311,033 km (0.097 R)
• M14: 10,834,327 km (0.099 R)
• M15: 12,188,038 km (0.11 R)
• M16: 13,650,955 km (0.101 R)
• M17: 13,928,908 km (0.055 R)
• M18: 17,161,718 km (0.032 R)
• M19: 17,813,815 km (0.043 R)
• M20: 18,737,283 km (0.119 R)
• M21: 19,341,359 km (0.068 R)
• M22: 24,650,288 km (0.111 R)
• M23: 25,585,275 km (0.066 R)
• M24: 25,902,123 km (0.109 R)
• M25: 33,553,606 km (0.106 R)
• M26: 38,026,582 km (0.108 R)
• M27: 47,336,057 km (0.107 R)
• M28: 47,813,723 km (0.101 R)
• M29: 54,146,201 km (0.12 R)
• M30: 55,018,955 km (0.068 R)
• M31: 56,971,806 km (0.04 R)
• M32: 57,331,738 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.5

Radius: 7.6

Gravity: 16.61 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.68 AU - 9.06 AU

Year: 16424 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,113,512 km

• M1: 96,939 km (0.099 R)
• M2: 515,065 km (0.108 R)
• M3: 966,701 km (0.025 R)
• M4: 3,318,829 km (0.079 R)
• M5: 3,690,579 km (0.102 R)
• M6: 3,963,895 km (0.094 R)
• M7: 5,658,240 km (0.051 R)
• M8: 6,888,982 km (0.08 R)
• M9: 7,447,281 km (0.092 R)
• M10: 7,935,120 km (0.045 R)
• M11: 9,470,892 km (0.094 R)
• M12: 10,338,559 km (0.06 R)
• M13: 10,578,664 km (0.075 R)
• M14: 12,098,279 km (0.036 R)
• M15: 12,499,800 km (0.066 R)
• M16: 13,614,304 km (0.047 R)
• M17: 14,642,640 km (0.105 R)
• M18: 16,442,900 km (0.096 R)
• M19: 17,438,474 km (0.084 R)
• M20: 17,864,828 km (0.055 R)
• M21: 21,531,023 km (0.047 R)
• M22: 23,955,556 km (0.105 R)
• M23: 28,981,595 km (0.117 R)
• M24: 30,678,035 km (0.042 R)
• M25: 30,925,620 km (0.074 R)
• M26: 33,607,012 km (0.068 R)
• M27: 34,002,399 km (0.073 R)
• M28: 38,557,654 km (0.1 R)
• M29: 43,037,363 km (0.118 R)
• M30: 49,363,707 km (0.104 R)
• M31: 49,703,893 km (0.112 R)
• M32: 60,457,287 km (0.072 R)
• M33: 61,434,011 km (0.077 R)
• M34: 61,827,603 km (0.085 R)
• M35: 62,619,874 km (0.117 R)
• M36: 73,102,196 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.9

Radius: 3.2

Gravity: 78.21 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.44 AU - 13.02 AU

Year: 23839 Days

Day: 23.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,113,512 km

• M1: 49,218 km (0.068 R)
• M2: 195,375 km (0.075 R)
• M3: 314,455 km (0.091 R)
• M4: 466,895 km (0.113 R)
• M5: 600,935 km (0.12 R)
• M6: 998,865 km (0.098 R)
• M7: 1,397,095 km (0.12 R)
• M8: 1,551,031 km (0.094 R)
• M9: 2,191,459 km (0.06 R)
• M10: 2,305,453 km (0.106 R)
• M11: 3,189,277 km (0.101 R)
• M12: 4,277,452 km (0.082 R)
• M13: 4,639,329 km (0.117 R)
• M14: 5,220,218 km (0.111 R)
• M15: 5,718,528 km (0.087 R)
• M16: 5,891,463 km (0.103 R)
• M17: 8,979,911 km (0.054 R)
• M18: 10,126,280 km (0.097 R)
• M19: 10,767,157 km (0.111 R)
• M20: 13,148,306 km (0.028 R)
• M21: 17,253,122 km (0.115 R)
• M22: 24,097,524 km (0.08 R)
• M23: 24,776,250 km (0.11 R)
• M24: 26,290,330 km (0.116 R)
• M25: 26,528,639 km (0.086 R)
• M26: 27,252,095 km (0.096 R)
• M27: 30,277,711 km (0.104 R)
• M28: 32,414,567 km (0.108 R)
• M29: 35,804,904 km (0.116 R)
• M30: 37,284,726 km (0.07 R)
• M31: 46,157,525 km (0.093 R)
• M32: 48,621,402 km (0.086 R)
• M33: 49,160,403 km (0.093 R)
• M34: 49,341,118 km (0.074 R)
• M35: 50,617,636 km (0.098 R)
• M36: 50,986,395 km (0.111 R)
• M37: 59,763,601 km (0.075 R)
• M38: 61,841,965 km (0.1 R)
• M39: 62,899,023 km (0.088 R)
• M40: 66,142,305 km (0.078 R)
• M41: 70,408,088 km (0.038 R)
• M42: 77,755,588 km (0.047 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 11,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit