🌌 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: 275.5

Radius: 13.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.6 AU - 0.92 AU

Year: 442 Days

Day: 14.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,948,697 km

• M1: 171,589 km (0.116 R)
• M2: 871,108 km (0.049 R)
• M3: 1,648,269 km (0.112 R)
• M4: 2,173,059 km (0.101 R)
• M5: 2,884,546 km (0.097 R)
• M6: 3,769,866 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.1

Radius: 8.1

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.85 AU - 0.97 AU

Year: 579 Days

Day: 7.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,948,697 km

• M1: 100,679 km (0.109 R)
• M2: 536,159 km (0.051 R)
• M3: 915,838 km (0.1 R)
• M4: 1,774,829 km (0.1 R)
• M5: 2,166,776 km (0.098 R)
• M6: 2,656,559 km (0.05 R)
• M7: 3,171,475 km (0.068 R)
• M8: 3,634,929 km (0.09 R)
• M9: 3,977,658 km (0.099 R)
• M10: 5,882,787 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 15

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.66 AU - 2.46 AU

Year: 1972 Days

Day: 9.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,948,697 km

• M1: 186,698 km (0.038 R)
• M2: 723,455 km (0.098 R)
• M3: 1,297,462 km (0.103 R)
• M4: 2,094,071 km (0.073 R)
• M5: 3,267,965 km (0.041 R)
• M6: 4,420,318 km (0.12 R)
• M7: 5,205,408 km (0.115 R)
• M8: 6,369,129 km (0.095 R)
• M9: 7,520,285 km (0.113 R)
• M10: 8,773,167 km (0.117 R)
• M11: 9,944,219 km (0.057 R)
• M12: 10,718,089 km (0.103 R)
• M13: 11,893,031 km (0.07 R)
• M14: 13,502,554 km (0.119 R)
• M15: 14,176,493 km (0.109 R)
• M16: 14,731,800 km (0.047 R)
• M17: 15,787,512 km (0.116 R)
• M18: 16,384,258 km (0.094 R)
• M19: 17,307,576 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 11.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.3 AU - 3.1 AU

Year: 2959 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 171.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,948,697 km

• M1: 145,559 km (0.108 R)
• M2: 677,529 km (0.093 R)
• M3: 1,162,824 km (0.096 R)
• M4: 1,568,384 km (0.04 R)
• M5: 1,940,883 km (0.083 R)
• M6: 2,739,735 km (0.077 R)
• M7: 4,491,078 km (0.088 R)
• M8: 5,181,023 km (0.097 R)
• M9: 5,913,005 km (0.075 R)
• M10: 6,893,171 km (0.101 R)
• M11: 7,583,116 km (0.1 R)
• M12: 8,811,015 km (0.116 R)
• M13: 9,322,790 km (0.087 R)
• M14: 10,567,294 km (0.077 R)
• M15: 11,744,480 km (0.067 R)
• M16: 12,410,041 km (0.046 R)
• M17: 13,383,923 km (0.108 R)
• M18: 14,508,301 km (0.066 R)
• M19: 18,318,409 km (0.084 R)
• M20: 21,613,152 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 8.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.6 AU - 4.72 AU

Year: 6708 Days

Day: 9 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,948,697 km

• M1: 103,223 km (0.079 R)
• M2: 526,435 km (0.039 R)
• M3: 1,141,133 km (0.092 R)
• M4: 1,490,593 km (0.102 R)
• M5: 2,038,271 km (0.11 R)
• M6: 2,557,824 km (0.097 R)
• M7: 3,104,305 km (0.06 R)
• M8: 3,426,240 km (0.051 R)
• M9: 3,882,663 km (0.067 R)
• M10: 4,305,726 km (0.091 R)
• M11: 4,759,307 km (0.044 R)
• M12: 5,527,791 km (0.105 R)
• M13: 6,281,615 km (0.068 R)
• M14: 7,205,232 km (0.076 R)
• M15: 8,330,357 km (0.111 R)
• M16: 8,756,562 km (0.096 R)
• M17: 9,779,213 km (0.088 R)
• M18: 10,608,135 km (0.083 R)
• M19: 11,625,550 km (0.119 R)
• M20: 13,012,771 km (0.053 R)
• M21: 13,639,735 km (0.094 R)
• M22: 15,410,525 km (0.106 R)
• M23: 15,817,432 km (0.059 R)
• M24: 17,579,994 km (0.115 R)
• M25: 18,541,160 km (0.033 R)
• M26: 18,803,256 km (0.094 R)
• M27: 23,956,154 km (0.115 R)
• M28: 24,502,336 km (0.102 R)
• M29: 27,955,653 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 14.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.14 AU - 6.1 AU

Year: 8885 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,948,697 km

• M1: 177,872 km (0.069 R)
• M2: 889,060 km (0.102 R)
• M3: 1,897,649 km (0.106 R)
• M4: 2,697,698 km (0.105 R)
• M5: 3,963,296 km (0.095 R)
• M6: 4,577,396 km (0.095 R)
• M7: 5,298,906 km (0.114 R)
• M8: 6,243,766 km (0.103 R)
• M9: 8,654,237 km (0.109 R)
• M10: 9,326,679 km (0.101 R)
• M11: 10,068,236 km (0.087 R)
• M12: 12,212,871 km (0.107 R)
• M13: 13,267,087 km (0.074 R)
• M14: 13,816,560 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.7

Radius: 7.2

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.81 AU - 5.97 AU

Year: 9532 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,948,697 km

• M1: 90,208 km (0.11 R)
• M2: 336,595 km (0.108 R)
• M3: 782,098 km (0.119 R)
• M4: 1,030,580 km (0.051 R)
• M5: 1,471,594 km (0.062 R)
• M6: 1,951,355 km (0.12 R)
• M7: 2,550,344 km (0.1 R)
• M8: 3,620,717 km (0.085 R)
• M9: 4,325,024 km (0.109 R)
• M10: 5,337,802 km (0.072 R)
• M11: 7,024,817 km (0.114 R)
• M12: 7,822,772 km (0.119 R)
• M13: 8,243,740 km (0.093 R)
• M14: 10,528,249 km (0.085 R)
• M15: 12,229,327 km (0.111 R)
• M16: 14,291,234 km (0.069 R)
• M17: 14,540,763 km (0.113 R)
• M18: 15,241,929 km (0.08 R)
• M19: 16,642,763 km (0.057 R)
• M20: 18,200,376 km (0.102 R)
• M21: 18,939,539 km (0.045 R)
• M22: 20,556,543 km (0.098 R)
• M23: 21,034,957 km (0.116 R)
• M24: 21,520,850 km (0.118 R)
• M25: 28,339,073 km (0.093 R)
• M26: 29,431,735 km (0.077 R)
• M27: 35,547,745 km (0.093 R)
• M28: 36,701,444 km (0.081 R)
• M29: 38,238,263 km (0.082 R)
• M30: 40,311,989 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.5

Radius: 7.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.26 AU - 10.02 AU

Year: 18427 Days

Day: 20.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,948,697 km

• M1: 92,003 km (0.115 R)
• M2: 347,815 km (0.095 R)
• M3: 752,926 km (0.091 R)
• M4: 1,004,101 km (0.072 R)
• M5: 1,336,358 km (0.025 R)
• M6: 1,653,804 km (0.114 R)
• M7: 2,920,001 km (0.079 R)
• M8: 3,341,268 km (0.068 R)
• M9: 4,501,550 km (0.095 R)
• M10: 6,047,644 km (0.11 R)
• M11: 7,269,858 km (0.045 R)
• M12: 12,247,727 km (0.052 R)
• M13: 15,199,443 km (0.068 R)
• M14: 15,590,641 km (0.051 R)
• M15: 20,036,092 km (0.115 R)
• M16: 21,962,314 km (0.066 R)
• M17: 28,084,756 km (0.119 R)
• M18: 28,872,239 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 11,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit