🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 10.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.5 AU - 0.58 AU

Year: 265 Days

Day: 8.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,753,444 km

• M1: 134,339 km (0.091 R)
• M2: 505,491 km (0.115 R)
• M3: 1,058,255 km (0.093 R)
• M4: 1,544,448 km (0.065 R)
• M5: 2,068,639 km (0.114 R)
• M6: 2,420,643 km (0.073 R)
• M7: 2,813,038 km (0.066 R)
• M8: 3,396,021 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.5

Radius: 10.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.72 AU - 1.08 AU

Year: 569 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,753,444 km

• M1: 131,945 km (0.116 R)
• M2: 476,020 km (0.09 R)
• M3: 833,111 km (0.066 R)
• M4: 1,254,229 km (0.089 R)
• M5: 1,651,261 km (0.102 R)
• M6: 2,088,685 km (0.041 R)
• M7: 2,425,729 km (0.06 R)
• M8: 3,073,787 km (0.064 R)
• M9: 3,575,838 km (0.105 R)
• M10: 3,994,413 km (0.085 R)
• M11: 4,372,895 km (0.095 R)
• M12: 5,917,793 km (0.066 R)
• M13: 6,280,867 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 9.3

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.32 AU - 1.48 AU

Year: 1105 Days

Day: 12.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,753,444 km

• M1: 115,789 km (0.091 R)
• M2: 470,635 km (0.084 R)
• M3: 994,377 km (0.094 R)
• M4: 1,693,448 km (0.095 R)
• M5: 2,023,012 km (0.073 R)
• M6: 2,890,530 km (0.06 R)
• M7: 3,614,883 km (0.065 R)
• M8: 4,217,164 km (0.115 R)
• M9: 4,525,036 km (0.108 R)
• M10: 5,263,601 km (0.064 R)
• M11: 5,973,892 km (0.05 R)
• M12: 6,385,585 km (0.118 R)
• M13: 6,979,339 km (0.065 R)
• M14: 7,436,361 km (0.095 R)
• M15: 7,887,398 km (0.09 R)
• M16: 8,410,093 km (0.09 R)
• M17: 9,095,551 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.1

Radius: 14.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.39 AU - 2.15 AU

Year: 1570 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,753,444 km

• M1: 180,415 km (0.069 R)
• M2: 696,677 km (0.088 R)
• M3: 1,149,211 km (0.03 R)
• M4: 1,607,579 km (0.105 R)
• M5: 2,529,550 km (0.108 R)
• M6: 3,226,228 km (0.114 R)
• M7: 3,980,799 km (0.077 R)
• M8: 4,603,126 km (0.041 R)
• M9: 6,459,935 km (0.045 R)
• M10: 6,968,718 km (0.032 R)
• M11: 7,504,428 km (0.073 R)
• M12: 7,958,158 km (0.083 R)
• M13: 8,745,791 km (0.064 R)
• M14: 10,675,005 km (0.101 R)
• M15: 11,775,297 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.2

Radius: 12.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.86 AU - 2.06 AU

Year: 1830 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,753,444 km

• M1: 155,432 km (0.093 R)
• M2: 593,904 km (0.109 R)
• M3: 1,014,573 km (0.057 R)
• M4: 1,440,179 km (0.099 R)
• M5: 1,903,483 km (0.091 R)
• M6: 2,411,966 km (0.074 R)
• M7: 4,039,143 km (0.109 R)
• M8: 6,034,329 km (0.094 R)
• M9: 6,454,101 km (0.081 R)
• M10: 6,870,881 km (0.047 R)
• M11: 7,589,848 km (0.119 R)
• M12: 8,513,016 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 11.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.68 AU - 3.62 AU

Year: 3728 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,753,444 km

• M1: 284,535 km (0.082 R)
• M2: 665,262 km (0.119 R)
• M3: 1,128,118 km (0.106 R)
• M4: 2,980,738 km (0.104 R)
• M5: 4,562,735 km (0.115 R)
• M6: 5,719,276 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.1

Radius: 6.4

Gravity: 20.56 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.48 AU - 6.98 AU

Year: 10370 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,753,444 km

• M1: 80,184 km (0.115 R)
• M2: 333,154 km (0.11 R)
• M3: 669,899 km (0.095 R)
• M4: 1,024,297 km (0.107 R)
• M5: 2,571,288 km (0.093 R)
• M6: 2,805,409 km (0.091 R)
• M7: 3,543,076 km (0.081 R)
• M8: 4,083,423 km (0.061 R)
• M9: 6,183,927 km (0.073 R)
• M10: 7,899,516 km (0.099 R)
• M11: 8,771,073 km (0.103 R)
• M12: 9,205,505 km (0.109 R)
• M13: 9,909,812 km (0.031 R)
• M14: 11,032,693 km (0.113 R)
• M15: 12,965,049 km (0.115 R)
• M16: 13,592,463 km (0.087 R)
• M17: 16,668,494 km (0.074 R)
• M18: 20,850,802 km (0.054 R)
• M19: 22,505,952 km (0.099 R)
• M20: 23,595,324 km (0.065 R)
• M21: 25,391,396 km (0.096 R)
• M22: 25,976,922 km (0.081 R)
• M23: 26,972,945 km (0.116 R)
• M24: 27,276,629 km (0.05 R)
• M25: 31,546,750 km (0.118 R)
• M26: 31,883,944 km (0.087 R)
• M27: 34,075,253 km (0.103 R)
• M28: 36,364,998 km (0.076 R)
• M29: 41,651,488 km (0.105 R)
• M30: 46,696,676 km (0.105 R)
• M31: 48,464,923 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.6

Radius: 3.4

Gravity: 77.04 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.82 AU - 8.08 AU

Year: 13560 Days

Day: 24 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,753,444 km

• M1: 42,336 km (0.102 R)
• M2: 335,249 km (0.103 R)
• M3: 441,314 km (0.072 R)
• M4: 752,627 km (0.107 R)
• M5: 1,556,416 km (0.085 R)
• M6: 1,841,699 km (0.115 R)
• M7: 4,360,479 km (0.099 R)
• M8: 5,535,570 km (0.104 R)
• M9: 5,840,002 km (0.104 R)
• M10: 6,035,825 km (0.06 R)
• M11: 10,410,665 km (0.108 R)
• M12: 11,841,569 km (0.09 R)
• M13: 12,282,434 km (0.08 R)
• M14: 15,905,844 km (0.095 R)
• M15: 17,309,371 km (0.056 R)
• M16: 18,206,510 km (0.109 R)
• M17: 20,004,526 km (0.104 R)
• M18: 20,270,661 km (0.111 R)
• M19: 20,900,917 km (0.093 R)
• M20: 25,267,380 km (0.081 R)
• M21: 25,682,514 km (0.092 R)
• M22: 28,047,955 km (0.093 R)
• M23: 30,437,482 km (0.036 R)
• M24: 31,025,701 km (0.105 R)
• M25: 34,207,348 km (0.054 R)
• M26: 43,542,106 km (0.049 R)
• M27: 51,894,604 km (0.078 R)
• M28: 59,590,666 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.6

Radius: 6.2

Gravity: 18.15 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.05 AU - 9.45 AU

Year: 17260 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,753,444 km

• M1: 77,043 km (0.119 R)
• M2: 288,425 km (0.092 R)
• M3: 691,890 km (0.119 R)
• M4: 953,836 km (0.114 R)
• M5: 1,582,446 km (0.076 R)
• M6: 1,838,558 km (0.094 R)
• M7: 2,162,138 km (0.063 R)
• M8: 3,023,523 km (0.113 R)
• M9: 3,257,344 km (0.1 R)
• M10: 3,588,105 km (0.109 R)
• M11: 4,647,557 km (0.047 R)
• M12: 6,956,600 km (0.118 R)
• M13: 8,082,923 km (0.067 R)
• M14: 8,382,417 km (0.105 R)
• M15: 13,600,990 km (0.106 R)
• M16: 15,123,746 km (0.074 R)
• M17: 15,578,973 km (0.082 R)
• M18: 15,887,443 km (0.113 R)
• M19: 19,024,511 km (0.113 R)
• M20: 20,277,393 km (0.114 R)
• M21: 23,245,415 km (0.083 R)
• M22: 26,056,060 km (0.107 R)
• M23: 26,710,101 km (0.104 R)
• M24: 30,264,397 km (0.047 R)
• M25: 36,235,147 km (0.026 R)
• M26: 49,105,800 km (0.081 R)
• M27: 52,827,945 km (0.075 R)
• M28: 54,050,608 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.2

Radius: 6.1

Gravity: 23.41 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.61 AU - 10.77 AU

Year: 20115 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,753,444 km

• M1: 92,003 km (0.062 R)
• M2: 307,573 km (0.084 R)
• M3: 1,190,500 km (0.116 R)
• M4: 1,446,761 km (0.115 R)
• M5: 2,009,997 km (0.118 R)
• M6: 2,375,764 km (0.104 R)
• M7: 2,684,683 km (0.082 R)
• M8: 2,914,017 km (0.083 R)
• M9: 4,942,564 km (0.097 R)
• M10: 5,210,045 km (0.11 R)
• M11: 6,114,215 km (0.063 R)
• M12: 6,695,253 km (0.083 R)
• M13: 7,215,105 km (0.104 R)
• M14: 7,966,984 km (0.093 R)
• M15: 8,496,411 km (0.097 R)
• M16: 9,743,309 km (0.062 R)
• M17: 10,597,663 km (0.119 R)
• M18: 11,043,165 km (0.109 R)
• M19: 12,039,637 km (0.111 R)
• M20: 13,607,422 km (0.117 R)
• M21: 14,209,853 km (0.115 R)
• M22: 14,440,383 km (0.067 R)
• M23: 14,751,547 km (0.099 R)
• M24: 20,749,075 km (0.117 R)
• M25: 26,766,500 km (0.096 R)
• M26: 27,591,981 km (0.098 R)
• M27: 29,417,673 km (0.102 R)
• M28: 34,262,550 km (0.118 R)
• M29: 37,235,658 km (0.081 R)
• M30: 43,689,460 km (0.088 R)
• M31: 52,114,961 km (0.106 R)
• M32: 56,418,294 km (0.103 R)
• M33: 65,299,321 km (0.081 R)
• M34: 67,873,601 km (0.109 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: 459 - 15,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit