🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.1

Radius: 13.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.62 AU - 0.64 AU

Year: 345 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,782,531 km

• M1: 171,589 km (0.056 R)
• M2: 720,314 km (0.093 R)
• M3: 1,190,201 km (0.114 R)
• M4: 1,648,269 km (0.114 R)
• M5: 2,192,506 km (0.096 R)
• M6: 3,186,734 km (0.051 R)
• M7: 3,737,553 km (0.033 R)
• M8: 5,032,622 km (0.11 R)
• M9: 5,650,760 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 10.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.64 AU - 1 AU

Year: 513 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,782,531 km

• M1: 130,599 km (0.082 R)
• M2: 790,774 km (0.112 R)
• M3: 1,395,748 km (0.088 R)
• M4: 2,189,664 km (0.057 R)
• M5: 2,803,015 km (0.119 R)
• M6: 3,214,260 km (0.088 R)
• M7: 3,927,243 km (0.029 R)
• M8: 4,666,556 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 8.1

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.21 AU - 2.99 AU

Year: 2894 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,782,531 km

• M1: 113,844 km (0.078 R)
• M2: 403,615 km (0.097 R)
• M3: 720,164 km (0.057 R)
• M4: 1,010,234 km (0.061 R)
• M5: 1,293,722 km (0.086 R)
• M6: 1,562,550 km (0.085 R)
• M7: 2,302,610 km (0.113 R)
• M8: 2,632,324 km (0.074 R)
• M9: 2,903,844 km (0.103 R)
• M10: 3,209,922 km (0.074 R)
• M11: 4,033,757 km (0.103 R)
• M12: 4,376,635 km (0.095 R)
• M13: 4,822,138 km (0.078 R)
• M14: 5,639,241 km (0.113 R)
• M15: 7,020,329 km (0.067 R)
• M16: 8,067,963 km (0.072 R)
• M17: 10,612,024 km (0.1 R)
• M18: 10,936,352 km (0.073 R)
• M19: 13,105,372 km (0.091 R)
• M20: 14,203,869 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540

Radius: 13.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.58 AU - 4.48 AU

Year: 5584 Days

Day: 8.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,782,531 km

• M1: 169,195 km (0.114 R)
• M2: 731,085 km (0.105 R)
• M3: 2,037,373 km (0.109 R)
• M4: 2,643,843 km (0.114 R)
• M5: 3,171,176 km (0.111 R)
• M6: 3,812,502 km (0.116 R)
• M7: 6,586,196 km (0.115 R)
• M8: 8,559,541 km (0.069 R)
• M9: 9,351,812 km (0.096 R)
• M10: 10,106,234 km (0.07 R)
• M11: 11,406,688 km (0.12 R)
• M12: 12,765,486 km (0.099 R)
• M13: 14,834,424 km (0.037 R)
• M14: 17,739,914 km (0.106 R)
• M15: 22,153,949 km (0.04 R)
• M16: 24,418,711 km (0.071 R)
• M17: 25,768,682 km (0.071 R)
• M18: 27,504,017 km (0.106 R)
• M19: 28,877,775 km (0.105 R)
• M20: 29,404,509 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 9.1

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.03 AU - 5.41 AU

Year: 7078 Days

Day: 13.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,782,531 km

• M1: 113,246 km (0.064 R)
• M2: 486,343 km (0.062 R)
• M3: 1,055,862 km (0.101 R)
• M4: 1,348,774 km (0.096 R)
• M5: 2,121,447 km (0.065 R)
• M6: 2,951,865 km (0.091 R)
• M7: 3,592,742 km (0.097 R)
• M8: 4,486,590 km (0.036 R)
• M9: 5,489,943 km (0.119 R)
• M10: 5,811,877 km (0.116 R)
• M11: 6,112,419 km (0.119 R)
• M12: 7,076,727 km (0.11 R)
• M13: 8,016,202 km (0.115 R)
• M14: 8,601,429 km (0.093 R)
• M15: 11,128,586 km (0.112 R)
• M16: 12,070,753 km (0.042 R)
• M17: 12,672,136 km (0.119 R)
• M18: 13,178,974 km (0.1 R)
• M19: 14,904,436 km (0.049 R)
• M20: 16,310,207 km (0.042 R)
• M21: 18,509,745 km (0.102 R)
• M22: 19,905,493 km (0.047 R)
• M23: 25,211,131 km (0.094 R)
• M24: 27,855,722 km (0.064 R)
• M25: 29,587,168 km (0.102 R)
• M26: 31,083,894 km (0.051 R)
• M27: 34,227,544 km (0.104 R)
• M28: 35,542,360 km (0.106 R)
• M29: 36,437,404 km (0.056 R)
• M30: 36,776,841 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.3

Radius: 8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.32 AU - 6.4 AU

Year: 8566 Days

Day: 14.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,782,531 km

• M1: 99,483 km (0.05 R)
• M2: 472,430 km (0.052 R)
• M3: 950,246 km (0.104 R)
• M4: 1,352,664 km (0.072 R)
• M5: 2,790,449 km (0.117 R)
• M6: 3,970,178 km (0.099 R)
• M7: 5,852,269 km (0.082 R)
• M8: 6,149,669 km (0.084 R)
• M9: 7,898,917 km (0.077 R)
• M10: 9,181,719 km (0.034 R)
• M11: 9,998,224 km (0.102 R)
• M12: 10,906,732 km (0.083 R)
• M13: 12,639,674 km (0.063 R)
• M14: 13,087,420 km (0.119 R)
• M15: 13,443,014 km (0.085 R)
• M16: 14,711,455 km (0.076 R)
• M17: 16,583,074 km (0.107 R)
• M18: 21,698,124 km (0.056 R)
• M19: 23,438,845 km (0.114 R)
• M20: 25,505,988 km (0.115 R)

Asteroid Belt

Center: 6.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.3

Radius: 5.2

Gravity: 25.6 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.34 AU - 9.42 AU

Year: 15269 Days

Day: 21.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,782,531 km

• M1: 64,626 km (0.09 R)
• M2: 243,246 km (0.119 R)
• M3: 406,158 km (0.069 R)
• M4: 605,572 km (0.114 R)
• M5: 1,539,661 km (0.088 R)
• M6: 2,211,805 km (0.116 R)
• M7: 3,012,752 km (0.051 R)
• M8: 3,902,859 km (0.115 R)
• M9: 4,235,116 km (0.083 R)
• M10: 5,095,453 km (0.049 R)
• M11: 8,222,049 km (0.094 R)
• M12: 9,931,653 km (0.103 R)
• M13: 10,550,539 km (0.116 R)
• M14: 13,351,610 km (0.115 R)
• M15: 14,315,020 km (0.082 R)
• M16: 16,767,977 km (0.103 R)
• M17: 19,228,712 km (0.069 R)
• M18: 19,573,984 km (0.099 R)
• M19: 22,966,415 km (0.1 R)
• M20: 23,355,220 km (0.118 R)
• M21: 25,675,931 km (0.048 R)
• M22: 27,596,020 km (0.084 R)
• M23: 29,724,349 km (0.035 R)
• M24: 31,242,019 km (0.088 R)
• M25: 37,026,969 km (0.057 R)
• M26: 41,018,390 km (0.112 R)
• M27: 41,446,988 km (0.046 R)
• M28: 42,313,159 km (0.088 R)
• M29: 43,191,149 km (0.097 R)
• M30: 47,922,481 km (0.105 R)
• M31: 48,557,075 km (0.112 R)
• M32: 49,036,686 km (0.091 R)
• M33: 54,350,402 km (0.087 R)
• M34: 57,145,788 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 20,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit