🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 9.8

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.06 AU - 1.58 AU

Year: 979 Days

Day: 11.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,313,516 km

• M1: 121,922 km (0.11 R)
• M2: 451,187 km (0.069 R)
• M3: 832,512 km (0.12 R)
• M4: 1,155,793 km (0.084 R)
• M5: 1,916,498 km (0.113 R)
• M6: 2,253,542 km (0.115 R)
• M7: 3,048,954 km (0.105 R)
• M8: 3,728,877 km (0.096 R)
• M9: 4,560,940 km (0.089 R)
• M10: 5,187,905 km (0.096 R)
• M11: 5,679,184 km (0.06 R)
• M12: 6,268,749 km (0.099 R)
• M13: 6,922,641 km (0.059 R)
• M14: 8,728,288 km (0.116 R)
• M15: 10,377,305 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.1

Radius: 9.7

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.33 AU - 1.51 AU

Year: 1093 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,313,516 km

• M1: 120,576 km (0.088 R)
• M2: 482,902 km (0.1 R)
• M3: 953,238 km (0.11 R)
• M4: 1,530,386 km (0.12 R)
• M5: 1,948,961 km (0.097 R)
• M6: 2,407,778 km (0.117 R)
• M7: 2,870,634 km (0.115 R)
• M8: 3,512,857 km (0.098 R)
• M9: 3,827,611 km (0.055 R)
• M10: 4,388,753 km (0.098 R)
• M11: 4,868,812 km (0.054 R)
• M12: 6,359,854 km (0.094 R)
• M13: 7,098,269 km (0.053 R)
• M14: 8,436,123 km (0.065 R)
• M15: 10,503,865 km (0.105 R)
• M16: 11,500,636 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902

Radius: 8

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.21 AU - 1.83 AU

Year: 1210 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,313,516 km

• M1: 99,483 km (0.046 R)
• M2: 373,546 km (0.092 R)
• M3: 670,049 km (0.081 R)
• M4: 997,818 km (0.071 R)
• M5: 1,581,549 km (0.1 R)
• M6: 2,085,394 km (0.025 R)
• M7: 2,473,750 km (0.077 R)
• M8: 3,258,092 km (0.104 R)
• M9: 3,732,766 km (0.089 R)
• M10: 4,039,143 km (0.105 R)
• M11: 4,436,474 km (0.106 R)
• M12: 6,245,113 km (0.093 R)
• M13: 7,028,706 km (0.111 R)
• M14: 7,391,631 km (0.093 R)
• M15: 8,126,605 km (0.076 R)
• M16: 8,909,451 km (0.113 R)
• M17: 9,489,891 km (0.052 R)
• M18: 10,127,626 km (0.069 R)
• M19: 10,390,769 km (0.045 R)
• M20: 10,999,183 km (0.099 R)
• M21: 12,250,270 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 12.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.88 AU - 3.1 AU

Year: 2537 Days

Day: 14.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,313,516 km

• M1: 157,975 km (0.077 R)
• M2: 558,898 km (0.08 R)
• M3: 1,104,032 km (0.091 R)
• M4: 1,597,855 km (0.115 R)
• M5: 2,608,089 km (0.102 R)
• M6: 3,174,616 km (0.051 R)
• M7: 3,838,831 km (0.062 R)
• M8: 6,260,970 km (0.091 R)
• M9: 6,734,447 km (0.113 R)
• M10: 7,594,635 km (0.091 R)
• M11: 8,469,783 km (0.11 R)
• M12: 10,453,301 km (0.096 R)
• M13: 11,536,240 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.6

Radius: 14.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.54 AU - 2.7 AU

Year: 2738 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,313,516 km

• M1: 184,454 km (0.08 R)
• M2: 1,030,879 km (0.063 R)
• M3: 1,606,681 km (0.103 R)
• M4: 2,217,938 km (0.057 R)
• M5: 2,756,790 km (0.117 R)
• M6: 3,839,729 km (0.081 R)
• M7: 4,670,745 km (0.094 R)
• M8: 6,750,454 km (0.094 R)
• M9: 9,762,907 km (0.077 R)
• M10: 10,458,686 km (0.118 R)
• M11: 11,022,670 km (0.062 R)
• M12: 11,777,691 km (0.106 R)
• M13: 12,837,741 km (0.112 R)
• M14: 15,506,418 km (0.117 R)
• M15: 16,187,686 km (0.105 R)
• M16: 18,468,156 km (0.077 R)
• M17: 20,955,371 km (0.085 R)
• M18: 21,529,976 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.5

Radius: 11.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.54 AU - 3.8 AU

Year: 3644 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,313,516 km

• M1: 147,952 km (0.112 R)
• M2: 1,022,801 km (0.054 R)
• M3: 1,471,594 km (0.104 R)
• M4: 2,147,178 km (0.073 R)
• M5: 2,951,267 km (0.073 R)
• M6: 3,841,673 km (0.05 R)
• M7: 5,076,903 km (0.095 R)
• M8: 5,980,624 km (0.11 R)
• M9: 6,802,963 km (0.1 R)
• M10: 7,273,598 km (0.095 R)
• M11: 8,280,541 km (0.107 R)
• M12: 8,854,399 km (0.104 R)
• M13: 10,202,575 km (0.035 R)
• M14: 11,905,747 km (0.109 R)
• M15: 12,684,254 km (0.119 R)
• M16: 13,205,902 km (0.105 R)
• M17: 14,040,209 km (0.115 R)
• M18: 15,277,383 km (0.085 R)
• M19: 17,210,038 km (0.06 R)
• M20: 17,791,076 km (0.105 R)
• M21: 18,626,281 km (0.072 R)
• M22: 19,115,317 km (0.072 R)
• M23: 20,182,698 km (0.047 R)
• M24: 24,052,794 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.9

Radius: 11

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.33 AU - 6.07 AU

Year: 7656 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,313,516 km

• M1: 136,882 km (0.094 R)
• M2: 542,143 km (0.03 R)
• M3: 1,134,999 km (0.104 R)
• M4: 1,479,224 km (0.063 R)
• M5: 1,986,959 km (0.037 R)
• M6: 4,006,530 km (0.111 R)
• M7: 4,942,714 km (0.108 R)
• M8: 5,337,203 km (0.06 R)
• M9: 5,719,875 km (0.063 R)
• M10: 7,092,435 km (0.081 R)
• M11: 9,158,980 km (0.073 R)
• M12: 9,709,351 km (0.105 R)
• M13: 10,281,562 km (0.068 R)
• M14: 17,652,998 km (0.111 R)
• M15: 18,147,418 km (0.045 R)
• M16: 18,796,524 km (0.089 R)
• M17: 23,357,912 km (0.106 R)
• M18: 25,176,574 km (0.096 R)
• M19: 29,585,971 km (0.073 R)
• M20: 31,402,987 km (0.091 R)
• M21: 32,549,355 km (0.091 R)
• M22: 34,048,326 km (0.08 R)
• M23: 35,704,973 km (0.081 R)
• M24: 36,155,711 km (0.08 R)
• M25: 40,020,123 km (0.119 R)
• M26: 41,490,969 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 10.5

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.78 AU - 5.88 AU

Year: 9089 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,313,516 km

• M1: 130,599 km (0.117 R)
• M2: 487,240 km (0.113 R)
• M3: 818,450 km (0.086 R)
• M4: 1,224,907 km (0.075 R)
• M5: 1,941,332 km (0.099 R)
• M6: 2,404,038 km (0.055 R)
• M7: 2,830,541 km (0.115 R)
• M8: 3,236,101 km (0.114 R)
• M9: 3,628,945 km (0.072 R)
• M10: 6,131,718 km (0.116 R)
• M11: 7,463,737 km (0.082 R)
• M12: 12,432,481 km (0.079 R)
• M13: 14,290,486 km (0.088 R)
• M14: 14,617,208 km (0.105 R)
• M15: 15,083,056 km (0.09 R)
• M16: 17,413,940 km (0.109 R)
• M17: 17,937,682 km (0.119 R)
• M18: 19,253,396 km (0.076 R)
• M19: 22,162,925 km (0.077 R)
• M20: 23,767,811 km (0.091 R)
• M21: 25,068,714 km (0.101 R)
• M22: 25,929,649 km (0.067 R)
• M23: 26,810,182 km (0.106 R)
• M24: 32,629,988 km (0.047 R)
• M25: 38,605,077 km (0.082 R)
• M26: 40,140,549 km (0.077 R)
• M27: 41,318,483 km (0.052 R)
• M28: 45,130,686 km (0.081 R)
• M29: 49,468,725 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.5

Radius: 3.1

Gravity: 33.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.31 AU - 7.99 AU

Year: 12345 Days

Day: 17.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,313,516 km

• M1: 67,768 km (0.084 R)
• M2: 586,723 km (0.057 R)
• M3: 862,133 km (0.084 R)
• M4: 1,228,647 km (0.073 R)
• M5: 1,904,530 km (0.095 R)
• M6: 2,188,168 km (0.069 R)
• M7: 3,052,395 km (0.041 R)
• M8: 4,681,815 km (0.044 R)
• M9: 5,010,481 km (0.112 R)
• M10: 8,214,569 km (0.088 R)
• M11: 8,472,625 km (0.117 R)
• M12: 9,233,480 km (0.082 R)
• M13: 9,418,981 km (0.105 R)
• M14: 11,572,293 km (0.07 R)
• M15: 13,079,641 km (0.097 R)
• M16: 13,910,657 km (0.12 R)
• M17: 14,966,070 km (0.089 R)
• M18: 17,305,033 km (0.118 R)
• M19: 20,341,271 km (0.106 R)
• M20: 22,523,455 km (0.053 R)
• M21: 23,627,787 km (0.098 R)
• M22: 24,413,026 km (0.07 R)
• M23: 25,125,411 km (0.073 R)
• M24: 28,601,617 km (0.087 R)
• M25: 31,123,538 km (0.112 R)
• M26: 33,461,902 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.3

Radius: 8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.75 AU - 9.65 AU

Year: 15161 Days

Day: 16.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,313,516 km

• M1: 100,979 km (0.091 R)
• M2: 419,622 km (0.103 R)
• M3: 1,145,172 km (0.054 R)
• M4: 5,060,148 km (0.071 R)
• M5: 8,386,905 km (0.079 R)
• M6: 9,277,013 km (0.059 R)
• M7: 13,581,392 km (0.084 R)
• M8: 15,623,104 km (0.119 R)
• M9: 15,982,289 km (0.053 R)
• M10: 16,346,859 km (0.064 R)
• M11: 18,921,438 km (0.08 R)
• M12: 19,261,175 km (0.077 R)
• M13: 20,660,962 km (0.062 R)
• M14: 23,897,961 km (0.037 R)
• M15: 25,102,523 km (0.119 R)
• M16: 28,422,698 km (0.094 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: 410 - 10,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit