🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.3

Radius: 10.7

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.64 AU - 0.98 AU

Year: 471 Days

Day: 8.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,168,036 km

• M1: 133,142 km (0.071 R)
• M2: 473,178 km (0.093 R)
• M3: 914,641 km (0.092 R)
• M4: 1,286,990 km (0.115 R)
• M5: 1,732,343 km (0.074 R)
• M6: 2,226,166 km (0.106 R)
• M7: 2,589,838 km (0.099 R)
• M8: 3,193,615 km (0.03 R)
• M9: 3,646,598 km (0.073 R)
• M10: 4,047,670 km (0.112 R)
• M11: 4,923,715 km (0.083 R)
• M12: 5,514,028 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.6

Radius: 9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.91 AU - 1.41 AU

Year: 807 Days

Day: 15 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,168,036 km

• M1: 112,498 km (0.071 R)
• M2: 395,836 km (0.118 R)
• M3: 875,596 km (0.09 R)
• M4: 1,337,555 km (0.061 R)
• M5: 1,802,804 km (0.1 R)
• M6: 2,147,627 km (0.107 R)
• M7: 2,765,466 km (0.116 R)
• M8: 3,581,223 km (0.079 R)
• M9: 4,068,464 km (0.066 R)
• M10: 4,565,877 km (0.038 R)
• M11: 5,175,638 km (0.106 R)
• M12: 5,643,580 km (0.087 R)
• M13: 6,408,773 km (0.046 R)
• M14: 6,794,586 km (0.113 R)
• M15: 8,470,231 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.6

Radius: 11.4

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.4 AU - 1.98 AU

Year: 1419 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,168,036 km

• M1: 141,819 km (0.12 R)
• M2: 502,200 km (0.069 R)
• M3: 895,792 km (0.069 R)
• M4: 1,374,056 km (0.086 R)
• M5: 1,928,915 km (0.119 R)
• M6: 2,744,223 km (0.106 R)
• M7: 3,297,137 km (0.072 R)
• M8: 3,727,680 km (0.069 R)
• M9: 4,247,981 km (0.111 R)
• M10: 5,581,646 km (0.107 R)
• M11: 6,496,437 km (0.108 R)
• M12: 7,252,355 km (0.119 R)
• M13: 8,794,410 km (0.117 R)
• M14: 10,222,023 km (0.118 R)
• M15: 10,610,079 km (0.073 R)
• M16: 11,142,947 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.4

Radius: 13.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.44 AU - 2.02 AU

Year: 1469 Days

Day: 11.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,168,036 km

• M1: 270,323 km (0.081 R)
• M2: 692,937 km (0.088 R)
• M3: 1,671,158 km (0.096 R)
• M4: 2,649,378 km (0.102 R)
• M5: 3,767,622 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646

Radius: 14.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.97 AU - 2.21 AU

Year: 1951 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,168,036 km

• M1: 175,329 km (0.1 R)
• M2: 834,307 km (0.1 R)
• M3: 1,350,420 km (0.059 R)
• M4: 2,201,033 km (0.101 R)
• M5: 2,848,343 km (0.036 R)
• M6: 3,386,597 km (0.109 R)
• M7: 3,901,812 km (0.098 R)
• M8: 5,938,886 km (0.104 R)
• M9: 8,121,070 km (0.061 R)
• M10: 9,509,189 km (0.083 R)
• M11: 10,758,331 km (0.087 R)
• M12: 11,574,088 km (0.07 R)
• M13: 12,036,046 km (0.108 R)
• M14: 12,833,702 km (0.029 R)
• M15: 13,794,120 km (0.04 R)
• M16: 14,891,870 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 10.4

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.37 AU - 3.55 AU

Year: 3288 Days

Day: 7.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,168,036 km

• M1: 129,851 km (0.08 R)
• M2: 531,222 km (0.067 R)
• M3: 875,297 km (0.098 R)
• M4: 1,434,494 km (0.095 R)
• M5: 2,098,409 km (0.058 R)
• M6: 3,531,856 km (0.036 R)
• M7: 4,032,411 km (0.087 R)
• M8: 5,004,198 km (0.09 R)
• M9: 6,014,283 km (0.036 R)
• M10: 6,611,927 km (0.109 R)
• M11: 7,501,585 km (0.118 R)
• M12: 8,059,286 km (0.053 R)
• M13: 9,745,703 km (0.044 R)
• M14: 10,290,688 km (0.103 R)
• M15: 10,814,729 km (0.108 R)
• M16: 11,314,237 km (0.076 R)
• M17: 11,872,685 km (0.093 R)
• M18: 13,091,160 km (0.114 R)
• M19: 14,391,315 km (0.079 R)
• M20: 14,893,964 km (0.063 R)
• M21: 16,418,366 km (0.119 R)
• M22: 17,190,441 km (0.049 R)
• M23: 17,986,601 km (0.093 R)
• M24: 19,836,528 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.4

Radius: 12.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.09 AU - 3.71 AU

Year: 4048 Days

Day: 13.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,168,036 km

• M1: 159,471 km (0.105 R)
• M2: 637,287 km (0.114 R)
• M3: 1,172,249 km (0.07 R)
• M4: 2,814,385 km (0.098 R)
• M5: 4,930,596 km (0.04 R)
• M6: 6,180,935 km (0.111 R)
• M7: 6,841,111 km (0.089 R)
• M8: 7,717,754 km (0.104 R)
• M9: 9,139,383 km (0.026 R)
• M10: 11,162,844 km (0.059 R)
• M11: 13,636,444 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 11.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.3 AU - 4.68 AU

Year: 6143 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,168,036 km

• M1: 138,079 km (0.096 R)
• M2: 619,186 km (0.09 R)
• M3: 1,104,780 km (0.029 R)
• M4: 1,840,353 km (0.084 R)
• M5: 2,218,686 km (0.101 R)
• M6: 3,356,976 km (0.09 R)
• M7: 3,812,801 km (0.084 R)
• M8: 5,605,582 km (0.056 R)
• M9: 7,322,666 km (0.074 R)
• M10: 8,285,628 km (0.108 R)
• M11: 13,305,085 km (0.102 R)
• M12: 13,847,377 km (0.119 R)
• M13: 16,627,205 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.8

Radius: 6

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.95 AU - 8.45 AU

Year: 15161 Days

Day: 21.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,168,036 km

• M1: 74,649 km (0.06 R)
• M2: 301,141 km (0.103 R)
• M3: 689,497 km (0.039 R)
• M4: 907,012 km (0.076 R)
• M5: 1,708,108 km (0.107 R)
• M6: 2,539,424 km (0.103 R)
• M7: 2,751,105 km (0.115 R)
• M8: 2,974,754 km (0.089 R)
• M9: 3,407,839 km (0.102 R)
• M10: 3,746,080 km (0.106 R)
• M11: 4,550,917 km (0.101 R)
• M12: 4,896,638 km (0.09 R)
• M13: 8,323,925 km (0.077 R)
• M14: 8,603,523 km (0.037 R)
• M15: 10,630,724 km (0.1 R)
• M16: 12,106,956 km (0.112 R)
• M17: 13,714,684 km (0.049 R)
• M18: 16,096,731 km (0.116 R)
• M19: 18,190,652 km (0.117 R)
• M20: 23,367,337 km (0.08 R)
• M21: 27,145,581 km (0.093 R)
• M22: 30,755,377 km (0.113 R)
• M23: 31,988,513 km (0.07 R)
• M24: 32,444,936 km (0.032 R)
• M25: 38,522,648 km (0.063 R)
• M26: 45,892,737 km (0.097 R)
• M27: 48,544,060 km (0.101 R)
• M28: 50,984,899 km (0.098 R)
• M29: 52,868,336 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.2

Radius: 4.1

Gravity: 20.65 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 8.31 AU - 13.53 AU

Year: 23300 Days

Day: 24.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 67,168,036 km

• M1: 61,485 km (0.1 R)
• M2: 331,060 km (0.078 R)
• M3: 476,020 km (0.085 R)
• M4: 672,592 km (0.105 R)
• M5: 815,458 km (0.071 R)
• M6: 1,002,156 km (0.099 R)
• M7: 1,203,664 km (0.12 R)
• M8: 1,524,402 km (0.102 R)
• M9: 1,809,386 km (0.062 R)
• M10: 3,261,383 km (0.114 R)
• M11: 3,562,075 km (0.109 R)
• M12: 3,762,985 km (0.085 R)
• M13: 5,613,810 km (0.11 R)
• M14: 5,768,344 km (0.109 R)
• M15: 7,755,453 km (0.119 R)
• M16: 7,995,707 km (0.107 R)
• M17: 8,746,240 km (0.092 R)
• M18: 10,678,296 km (0.111 R)
• M19: 11,401,303 km (0.1 R)
• M20: 11,587,103 km (0.098 R)
• M21: 12,810,514 km (0.053 R)
• M22: 14,693,652 km (0.09 R)
• M23: 16,594,742 km (0.091 R)
• M24: 18,060,951 km (0.102 R)
• M25: 19,967,426 km (0.062 R)
• M26: 29,281,838 km (0.118 R)
• M27: 29,864,073 km (0.115 R)
• M28: 31,901,447 km (0.088 R)
• M29: 32,147,086 km (0.116 R)
• M30: 33,394,284 km (0.082 R)
• M31: 43,189,504 km (0.102 R)
• M32: 44,247,759 km (0.091 R)
• M33: 44,860,213 km (0.118 R)
• M34: 47,846,485 km (0.105 R)
• M35: 50,795,359 km (0.066 R)
• M36: 51,466,754 km (0.045 R)
• M37: 52,655,758 km (0.077 R)
• M38: 56,512,092 km (0.084 R)
• M39: 57,959,601 km (0.116 R)
• M40: 60,740,326 km (0.078 R)
• M41: 64,780,665 km (0.06 R)
• M42: 65,174,556 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 14,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit