🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.4

Radius: 13.4

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.66 AU - 0.86 AU

Year: 421 Days

Day: 14 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 56,918,465 km

• M1: 181,911 km (0.111 R)
• M2: 1,349,373 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.2

Radius: 12.7

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.78 AU - 0.8 AU

Year: 446 Days

Day: 5 Hours

Environment

Temp: -150 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,918,465 km

• M1: 157,975 km (0.095 R)
• M2: 669,600 km (0.059 R)
• M3: 1,099,694 km (0.066 R)
• M4: 1,554,771 km (0.102 R)
• M5: 2,084,646 km (0.076 R)
• M6: 2,559,769 km (0.085 R)
• M7: 3,176,412 km (0.086 R)
• M8: 3,654,227 km (0.081 R)
• M9: 4,439,317 km (0.03 R)
• M10: 5,485,455 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.4

Radius: 14.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.11 AU - 2.23 AU

Year: 2032 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,918,465 km

• M1: 179,069 km (0.1 R)
• M2: 664,663 km (0.116 R)
• M3: 1,282,503 km (0.114 R)
• M4: 2,102,748 km (0.117 R)
• M5: 2,742,129 km (0.106 R)
• M6: 4,237,360 km (0.053 R)
• M7: 4,732,678 km (0.082 R)
• M8: 5,307,882 km (0.108 R)
• M9: 5,775,076 km (0.102 R)
• M10: 7,448,927 km (0.083 R)
• M11: 7,900,413 km (0.06 R)
• M12: 8,454,972 km (0.098 R)
• M13: 9,704,863 km (0.079 R)
• M14: 10,571,334 km (0.109 R)
• M15: 11,949,130 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493

Radius: 8

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.47 AU - 2.71 AU

Year: 2650 Days

Day: 13.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,918,465 km

• M1: 99,483 km (0.064 R)
• M2: 384,915 km (0.054 R)
• M3: 780,003 km (0.079 R)
• M4: 1,323,044 km (0.054 R)
• M5: 1,705,416 km (0.093 R)
• M6: 2,451,012 km (0.117 R)
• M7: 2,768,009 km (0.076 R)
• M8: 4,402,067 km (0.095 R)
• M9: 5,166,213 km (0.105 R)
• M10: 5,519,563 km (0.077 R)
• M11: 5,914,202 km (0.094 R)
• M12: 6,196,344 km (0.108 R)
• M13: 6,843,355 km (0.093 R)
• M14: 7,183,241 km (0.055 R)
• M15: 7,504,727 km (0.025 R)
• M16: 9,258,762 km (0.094 R)
• M17: 9,745,703 km (0.055 R)
• M18: 10,732,750 km (0.093 R)
• M19: 13,733,533 km (0.11 R)
• M20: 14,551,385 km (0.047 R)
• M21: 14,925,080 km (0.054 R)
• M22: 15,643,150 km (0.111 R)
• M23: 15,936,661 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.5

Radius: 14.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.21 AU - 3.49 AU

Year: 3059 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,918,465 km

• M1: 182,958 km (0.095 R)
• M2: 726,746 km (0.085 R)
• M3: 1,251,087 km (0.093 R)
• M4: 2,367,985 km (0.108 R)
• M5: 2,952,464 km (0.086 R)
• M6: 3,532,006 km (0.102 R)
• M7: 4,281,641 km (0.118 R)
• M8: 6,678,797 km (0.052 R)
• M9: 8,062,577 km (0.076 R)
• M10: 9,139,832 km (0.111 R)
• M11: 9,663,424 km (0.118 R)
• M12: 10,556,972 km (0.113 R)
• M13: 11,961,397 km (0.116 R)
• M14: 12,951,286 km (0.066 R)
• M15: 15,366,544 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 10.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.8 AU - 4.3 AU

Year: 4253 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,918,465 km

• M1: 133,740 km (0.057 R)
• M2: 990,936 km (0.071 R)
• M3: 1,462,469 km (0.1 R)
• M4: 2,267,605 km (0.086 R)
• M5: 2,931,520 km (0.103 R)
• M6: 3,345,607 km (0.107 R)
• M7: 4,271,019 km (0.034 R)
• M8: 5,384,027 km (0.089 R)
• M9: 6,536,529 km (0.092 R)
• M10: 7,125,496 km (0.114 R)
• M11: 8,241,347 km (0.109 R)
• M12: 8,893,893 km (0.116 R)
• M13: 9,506,645 km (0.067 R)
• M14: 10,380,297 km (0.117 R)
• M15: 12,025,874 km (0.082 R)
• M16: 18,514,232 km (0.108 R)
• M17: 19,394,018 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.8

Radius: 12.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.06 AU - 6.58 AU

Year: 7802 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,918,465 km

• M1: 160,070 km (0.089 R)
• M2: 633,397 km (0.102 R)
• M3: 1,286,841 km (0.069 R)
• M4: 2,617,364 km (0.102 R)
• M5: 3,156,964 km (0.105 R)
• M6: 3,906,898 km (0.082 R)
• M7: 4,312,308 km (0.081 R)
• M8: 4,772,471 km (0.093 R)
• M9: 8,299,839 km (0.055 R)
• M10: 9,138,635 km (0.1 R)
• M11: 10,209,905 km (0.113 R)
• M12: 11,173,016 km (0.113 R)
• M13: 12,095,885 km (0.079 R)
• M14: 12,807,822 km (0.114 R)
• M15: 14,148,518 km (0.093 R)
• M16: 15,170,271 km (0.066 R)
• M17: 15,818,628 km (0.109 R)
• M18: 19,272,993 km (0.101 R)
• M19: 20,599,477 km (0.032 R)
• M20: 23,356,267 km (0.033 R)
• M21: 26,098,396 km (0.089 R)
• M22: 26,773,531 km (0.112 R)
• M23: 27,808,150 km (0.11 R)
• M24: 29,957,123 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.2

Radius: 3.4

Gravity: 75.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.85 AU - 6.91 AU

Year: 11474 Days

Day: 24 Hours

Environment

Temp: -226 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,918,465 km

• M1: 54,005 km (0.099 R)
• M2: 170,093 km (0.057 R)
• M3: 1,547,440 km (0.106 R)
• M4: 2,104,842 km (0.074 R)
• M5: 2,565,454 km (0.047 R)
• M6: 2,970,266 km (0.089 R)
• M7: 3,547,564 km (0.116 R)
• M8: 3,764,930 km (0.092 R)
• M9: 4,166,450 km (0.078 R)
• M10: 6,293,134 km (0.071 R)
• M11: 6,815,978 km (0.097 R)
• M12: 6,940,593 km (0.072 R)
• M13: 7,498,593 km (0.069 R)
• M14: 7,811,103 km (0.075 R)
• M15: 8,039,539 km (0.068 R)
• M16: 9,351,064 km (0.101 R)
• M17: 9,505,000 km (0.108 R)
• M18: 9,713,091 km (0.09 R)
• M19: 12,205,092 km (0.093 R)
• M20: 12,389,097 km (0.069 R)
• M21: 12,512,815 km (0.078 R)
• M22: 13,861,589 km (0.102 R)
• M23: 15,446,579 km (0.051 R)
• M24: 16,245,730 km (0.111 R)
• M25: 16,843,972 km (0.095 R)
• M26: 17,847,176 km (0.111 R)
• M27: 18,403,530 km (0.098 R)
• M28: 19,550,796 km (0.099 R)
• M29: 23,465,623 km (0.112 R)
• M30: 31,059,061 km (0.09 R)
• M31: 31,863,150 km (0.102 R)
• M32: 31,979,088 km (0.094 R)
• M33: 37,237,752 km (0.114 R)
• M34: 44,620,557 km (0.054 R)
• M35: 49,736,355 km (0.032 R)
• M36: 54,231,921 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 19,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit