🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 11.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.62 AU - 0.76 AU

Year: 370 Days

Day: 10.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,639,200 km

• M1: 143,016 km (0.064 R)
• M2: 549,623 km (0.12 R)
• M3: 909,405 km (0.029 R)
• M4: 1,269,936 km (0.11 R)
• M5: 1,714,691 km (0.117 R)
• M6: 2,297,973 km (0.068 R)
• M7: 2,724,776 km (0.065 R)
• M8: 3,138,863 km (0.075 R)
• M9: 3,583,019 km (0.066 R)
• M10: 4,160,766 km (0.116 R)
• M11: 4,641,274 km (0.055 R)
• M12: 5,067,329 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.7

Radius: 12.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.99 AU - 1.19 AU

Year: 735 Days

Day: 13.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,639,200 km

• M1: 163,361 km (0.109 R)
• M2: 921,972 km (0.106 R)
• M3: 1,412,204 km (0.117 R)
• M4: 1,809,386 km (0.11 R)
• M5: 2,399,849 km (0.112 R)
• M6: 3,083,511 km (0.11 R)
• M7: 3,483,985 km (0.088 R)
• M8: 4,103,769 km (0.111 R)
• M9: 4,504,392 km (0.108 R)
• M10: 5,038,606 km (0.081 R)
• M11: 5,731,693 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.4

Radius: 8.2

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1 AU - 1.3 AU

Year: 796 Days

Day: 15 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,639,200 km

• M1: 102,774 km (0.092 R)
• M2: 411,544 km (0.114 R)
• M3: 769,382 km (0.104 R)
• M4: 1,093,710 km (0.103 R)
• M5: 1,620,444 km (0.098 R)
• M6: 2,027,051 km (0.084 R)
• M7: 2,982,682 km (0.106 R)
• M8: 3,483,686 km (0.099 R)
• M9: 4,117,233 km (0.043 R)
• M10: 4,653,691 km (0.112 R)
• M11: 5,090,516 km (0.111 R)
• M12: 5,365,627 km (0.088 R)
• M13: 6,107,183 km (0.088 R)
• M14: 6,717,842 km (0.054 R)
• M15: 8,134,534 km (0.1 R)
• M16: 8,511,371 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.8

Radius: 9.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.21 AU - 1.95 AU

Year: 1282 Days

Day: 10.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,639,200 km

• M1: 114,442 km (0.098 R)
• M2: 709,991 km (0.119 R)
• M3: 1,142,479 km (0.112 R)
• M4: 1,438,683 km (0.1 R)
• M5: 1,846,038 km (0.087 R)
• M6: 2,494,395 km (0.051 R)
• M7: 3,338,725 km (0.079 R)
• M8: 4,239,155 km (0.117 R)
• M9: 5,920,186 km (0.037 R)
• M10: 6,391,719 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.1

Radius: 13.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.65 AU - 1.87 AU

Year: 1508 Days

Day: 10.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,639,200 km

• M1: 173,534 km (0.067 R)
• M2: 673,938 km (0.113 R)
• M3: 1,156,691 km (0.058 R)
• M4: 2,047,845 km (0.108 R)
• M5: 2,725,524 km (0.106 R)
• M6: 3,222,488 km (0.078 R)
• M7: 3,679,958 km (0.064 R)
• M8: 4,553,161 km (0.096 R)
• M9: 5,560,553 km (0.071 R)
• M10: 6,199,934 km (0.085 R)
• M11: 6,812,089 km (0.077 R)
• M12: 7,599,572 km (0.071 R)
• M13: 8,359,529 km (0.059 R)
• M14: 8,833,455 km (0.096 R)
• M15: 9,770,536 km (0.084 R)
• M16: 11,016,537 km (0.102 R)
• M17: 13,100,585 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.5

Radius: 11

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.5 AU - 2.06 AU

Year: 1533 Days

Day: 13.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 91,639,200 km

• M1: 205,996 km (0.107 R)
• M2: 686,056 km (0.093 R)
• M3: 1,296,116 km (0.108 R)
• M4: 1,985,762 km (0.091 R)
• M5: 3,576,137 km (0.07 R)
• M6: 8,340,530 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 10.5

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.31 AU - 3.71 AU

Year: 3372 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,639,200 km

• M1: 130,599 km (0.028 R)
• M2: 491,130 km (0.103 R)
• M3: 960,119 km (0.082 R)
• M4: 1,295,218 km (0.088 R)
• M5: 2,014,036 km (0.117 R)
• M6: 2,798,079 km (0.03 R)
• M7: 3,278,886 km (0.075 R)
• M8: 3,854,688 km (0.079 R)
• M9: 4,231,675 km (0.1 R)
• M10: 5,385,075 km (0.078 R)
• M11: 6,472,801 km (0.113 R)
• M12: 7,099,616 km (0.109 R)
• M13: 8,098,481 km (0.075 R)
• M14: 10,533,485 km (0.106 R)
• M15: 10,982,129 km (0.114 R)
• M16: 11,316,481 km (0.106 R)
• M17: 14,538,968 km (0.117 R)
• M18: 15,666,487 km (0.09 R)
• M19: 16,251,714 km (0.09 R)
• M20: 17,017,506 km (0.064 R)
• M21: 19,097,215 km (0.048 R)
• M22: 20,891,642 km (0.108 R)
• M23: 21,405,810 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.9

Radius: 14.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.71 AU - 3.99 AU

Year: 4878 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,639,200 km

• M1: 196,422 km (0.105 R)
• M2: 661,073 km (0.108 R)
• M3: 1,848,282 km (0.076 R)
• M4: 2,875,121 km (0.106 R)
• M5: 3,560,729 km (0.086 R)
• M6: 5,760,565 km (0.058 R)
• M7: 7,027,510 km (0.112 R)
• M8: 7,970,575 km (0.039 R)
• M9: 9,584,287 km (0.055 R)
• M10: 11,600,866 km (0.082 R)
• M11: 15,908,537 km (0.028 R)
• M12: 19,471,958 km (0.046 R)
• M13: 20,745,485 km (0.072 R)
• M14: 22,990,350 km (0.09 R)
• M15: 24,011,805 km (0.066 R)
• M16: 26,314,265 km (0.089 R)
• M17: 29,122,068 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.7

Radius: 9

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.68 AU - 4.18 AU

Year: 5030 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,639,200 km

• M1: 112,049 km (0.116 R)
• M2: 393,891 km (0.084 R)
• M3: 834,307 km (0.051 R)
• M4: 1,114,355 km (0.099 R)
• M5: 1,601,296 km (0.075 R)
• M6: 3,338,576 km (0.062 R)
• M7: 3,656,621 km (0.106 R)
• M8: 4,554,956 km (0.099 R)
• M9: 5,477,077 km (0.112 R)
• M10: 8,018,745 km (0.111 R)
• M11: 9,070,717 km (0.097 R)
• M12: 10,613,221 km (0.072 R)
• M13: 12,625,312 km (0.096 R)
• M14: 14,209,703 km (0.099 R)
• M15: 14,541,811 km (0.105 R)
• M16: 15,106,991 km (0.087 R)
• M17: 15,745,325 km (0.105 R)
• M18: 16,767,229 km (0.12 R)
• M19: 17,451,639 km (0.114 R)
• M20: 17,960,870 km (0.12 R)
• M21: 19,210,311 km (0.077 R)
• M22: 21,371,851 km (0.058 R)
• M23: 25,924,563 km (0.105 R)
• M24: 26,504,255 km (0.063 R)
• M25: 27,092,623 km (0.095 R)
• M26: 28,295,390 km (0.105 R)
• M27: 30,256,917 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.8

Radius: 6.1

Gravity: 22.62 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.6 AU - 11.58 AU

Year: 23846 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,639,200 km

• M1: 77,641 km (0.111 R)
• M2: 301,141 km (0.057 R)
• M3: 517,758 km (0.091 R)
• M4: 734,077 km (0.112 R)
• M5: 2,217,788 km (0.06 R)
• M6: 2,498,883 km (0.09 R)
• M7: 2,751,105 km (0.101 R)
• M8: 5,100,091 km (0.108 R)
• M9: 6,479,233 km (0.102 R)
• M10: 7,055,335 km (0.053 R)
• M11: 8,036,248 km (0.094 R)
• M12: 9,222,858 km (0.11 R)
• M13: 10,265,406 km (0.113 R)
• M14: 11,659,209 km (0.046 R)
• M15: 12,582,527 km (0.077 R)
• M16: 12,950,388 km (0.073 R)
• M17: 16,590,404 km (0.091 R)
• M18: 18,501,217 km (0.09 R)
• M19: 21,167,201 km (0.032 R)
• M20: 22,322,994 km (0.072 R)
• M21: 23,854,278 km (0.108 R)
• M22: 24,645,651 km (0.111 R)
• M23: 27,246,410 km (0.09 R)
• M24: 27,614,720 km (0.103 R)
• M25: 28,739,546 km (0.084 R)
• M26: 29,764,591 km (0.09 R)
• M27: 30,024,592 km (0.092 R)
• M28: 30,946,713 km (0.105 R)
• M29: 37,936,674 km (0.078 R)
• M30: 39,481,870 km (0.093 R)
• M31: 43,193,992 km (0.076 R)
• M32: 44,368,335 km (0.116 R)
• M33: 45,736,407 km (0.115 R)
• M34: 47,132,305 km (0.104 R)
• M35: 53,766,372 km (0.065 R)
• M36: 54,929,346 km (0.069 R)
• M37: 63,974,632 km (0.118 R)
• M38: 69,303,009 km (0.098 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: 410 - 11,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit