🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.7

Radius: 14.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.58 AU - 0.76 AU

Year: 366 Days

Day: 10.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,044,926 km

• M1: 188,493 km (0.097 R)
• M2: 849,417 km (0.035 R)
• M3: 1,444,068 km (0.075 R)
• M4: 2,065,199 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.5

Radius: 8.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.72 AU - 0.78 AU

Year: 433 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,044,926 km

• M1: 105,766 km (0.094 R)
• M2: 411,095 km (0.066 R)
• M3: 846,275 km (0.067 R)
• M4: 1,157,588 km (0.094 R)
• M5: 1,659,040 km (0.102 R)
• M6: 2,521,622 km (0.084 R)
• M7: 4,023,884 km (0.084 R)
• M8: 4,362,872 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.5

Radius: 10.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.67 AU - 0.99 AU

Year: 504 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,044,926 km

• M1: 135,536 km (0.055 R)
• M2: 570,417 km (0.054 R)
• M3: 1,169,556 km (0.112 R)
• M4: 1,558,211 km (0.114 R)
• M5: 1,988,006 km (0.109 R)
• M6: 2,939,000 km (0.095 R)
• M7: 3,897,174 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.3

Radius: 9.6

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.73 AU - 2.89 AU

Year: 2341 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,044,926 km

• M1: 119,678 km (0.047 R)
• M2: 633,697 km (0.083 R)
• M3: 1,352,066 km (0.068 R)
• M4: 1,755,082 km (0.061 R)
• M5: 2,504,717 km (0.082 R)
• M6: 3,329,600 km (0.089 R)
• M7: 3,813,549 km (0.1 R)
• M8: 4,802,989 km (0.107 R)
• M9: 5,357,848 km (0.053 R)
• M10: 6,669,821 km (0.084 R)
• M11: 8,327,216 km (0.111 R)
• M12: 8,766,286 km (0.047 R)
• M13: 11,374,375 km (0.092 R)
• M14: 11,988,773 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.1

Radius: 13.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.37 AU - 3.55 AU

Year: 3396 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,044,926 km

• M1: 172,935 km (0.102 R)
• M2: 707,000 km (0.109 R)
• M3: 1,169,407 km (0.12 R)
• M4: 1,817,913 km (0.094 R)
• M5: 2,402,691 km (0.102 R)
• M6: 3,004,972 km (0.106 R)
• M7: 4,469,536 km (0.057 R)
• M8: 5,076,753 km (0.101 R)
• M9: 5,547,687 km (0.078 R)
• M10: 6,133,961 km (0.102 R)
• M11: 6,948,522 km (0.06 R)
• M12: 7,631,137 km (0.091 R)
• M13: 8,145,604 km (0.081 R)
• M14: 8,867,863 km (0.038 R)
• M15: 9,359,890 km (0.111 R)
• M16: 10,523,761 km (0.046 R)
• M17: 12,849,260 km (0.104 R)
• M18: 13,333,060 km (0.078 R)
• M19: 14,081,648 km (0.109 R)
• M20: 14,752,893 km (0.107 R)
• M21: 15,445,382 km (0.11 R)
• M22: 17,126,263 km (0.093 R)
• M23: 19,300,968 km (0.09 R)
• M24: 21,653,993 km (0.092 R)
• M25: 22,758,922 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.3

Radius: 13.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.03 AU - 4.27 AU

Year: 4650 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,044,926 km

• M1: 167,849 km (0.087 R)
• M2: 618,288 km (0.066 R)
• M3: 1,051,972 km (0.095 R)
• M4: 1,512,883 km (0.065 R)
• M5: 2,459,987 km (0.061 R)
• M6: 3,436,562 km (0.089 R)
• M7: 4,037,198 km (0.103 R)
• M8: 4,964,256 km (0.099 R)
• M9: 6,615,367 km (0.082 R)
• M10: 8,531,716 km (0.112 R)
• M11: 9,034,066 km (0.112 R)
• M12: 10,141,240 km (0.047 R)
• M13: 10,749,953 km (0.073 R)
• M14: 11,475,204 km (0.074 R)
• M15: 12,923,311 km (0.106 R)
• M16: 13,901,382 km (0.085 R)
• M17: 15,659,606 km (0.054 R)
• M18: 20,559,983 km (0.062 R)
• M19: 25,120,026 km (0.112 R)
• M20: 26,888,272 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 8.2

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.45 AU - 5.15 AU

Year: 7013 Days

Day: 13.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,044,926 km

• M1: 102,026 km (0.112 R)
• M2: 363,822 km (0.081 R)
• M3: 1,431,203 km (0.112 R)
• M4: 1,756,728 km (0.084 R)
• M5: 2,147,627 km (0.047 R)
• M6: 3,563,122 km (0.066 R)
• M7: 6,188,864 km (0.093 R)
• M8: 8,171,484 km (0.107 R)
• M9: 8,874,594 km (0.103 R)
• M10: 9,439,027 km (0.041 R)
• M11: 15,519,582 km (0.088 R)
• M12: 16,402,808 km (0.043 R)
• M13: 20,946,694 km (0.044 R)
• M14: 21,635,442 km (0.086 R)
• M15: 34,701,620 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.3

Radius: 6.1

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.67 AU - 8.27 AU

Year: 13615 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,044,926 km

• M1: 94,845 km (0.118 R)
• M2: 425,456 km (0.103 R)
• M3: 862,731 km (0.069 R)
• M4: 1,218,923 km (0.077 R)
• M5: 2,473,750 km (0.109 R)
• M6: 3,193,316 km (0.093 R)
• M7: 3,387,045 km (0.101 R)
• M8: 3,666,345 km (0.118 R)
• M9: 8,742,200 km (0.106 R)
• M10: 10,437,743 km (0.113 R)
• M11: 13,944,466 km (0.104 R)
• M12: 14,137,896 km (0.111 R)
• M13: 14,464,469 km (0.069 R)
• M14: 18,395,452 km (0.073 R)
• M15: 21,406,857 km (0.111 R)
• M16: 22,450,003 km (0.099 R)
• M17: 24,825,767 km (0.031 R)
• M18: 26,466,706 km (0.109 R)
• M19: 37,108,649 km (0.105 R)
• M20: 46,163,659 km (0.076 R)
• M21: 46,882,327 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 11,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit