🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.5

Radius: 13.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.6 AU - 0.7 AU

Year: 355 Days

Day: 5 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,972,764 km

• M1: 162,912 km (0.1 R)
• M2: 578,345 km (0.075 R)
• M3: 1,033,721 km (0.078 R)
• M4: 1,657,096 km (0.096 R)
• M5: 2,137,006 km (0.115 R)
• M6: 2,748,562 km (0.087 R)
• M7: 3,602,167 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 13.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.55 AU - 0.87 AU

Year: 406 Days

Day: 13.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,972,764 km

• M1: 165,455 km (0.11 R)
• M2: 706,551 km (0.096 R)
• M3: 1,271,881 km (0.107 R)
• M4: 1,862,194 km (0.106 R)
• M5: 2,482,876 km (0.059 R)
• M6: 2,981,336 km (0.111 R)
• M7: 3,582,121 km (0.11 R)
• M8: 4,452,930 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.3

Radius: 14.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.31 AU - 2.67 AU

Year: 2665 Days

Day: 15 Hours

Environment

Temp: -203 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,972,764 km

• M1: 175,329 km (0.08 R)
• M2: 669,151 km (0.08 R)
• M3: 1,122,732 km (0.062 R)
• M4: 1,836,463 km (0.084 R)
• M5: 2,795,685 km (0.054 R)
• M6: 3,270,957 km (0.102 R)
• M7: 4,067,267 km (0.119 R)
• M8: 4,811,965 km (0.071 R)
• M9: 5,819,058 km (0.065 R)
• M10: 6,439,889 km (0.103 R)
• M11: 9,656,991 km (0.106 R)
• M12: 12,182,203 km (0.116 R)
• M13: 13,070,665 km (0.114 R)
• M14: 13,731,439 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 10.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.93 AU - 3.39 AU

Year: 3810 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,972,764 km

• M1: 135,087 km (0.113 R)
• M2: 660,475 km (0.048 R)
• M3: 1,033,272 km (0.113 R)
• M4: 1,470,547 km (0.106 R)
• M5: 2,550,195 km (0.111 R)
• M6: 3,058,080 km (0.055 R)
• M7: 4,360,778 km (0.101 R)
• M8: 5,113,255 km (0.12 R)
• M9: 5,669,909 km (0.118 R)
• M10: 6,677,750 km (0.095 R)
• M11: 8,310,012 km (0.102 R)
• M12: 9,184,412 km (0.063 R)
• M13: 9,643,976 km (0.111 R)
• M14: 10,494,889 km (0.106 R)
• M15: 11,195,007 km (0.113 R)
• M16: 11,637,966 km (0.093 R)
• M17: 12,559,190 km (0.071 R)
• M18: 14,031,083 km (0.107 R)
• M19: 14,593,871 km (0.101 R)
• M20: 16,117,675 km (0.061 R)
• M21: 16,787,275 km (0.094 R)
• M22: 17,421,570 km (0.065 R)
• M23: 18,458,732 km (0.058 R)
• M24: 19,077,768 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 10.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.32 AU - 4.68 AU

Year: 6475 Days

Day: 6.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,972,764 km

• M1: 128,205 km (0.032 R)
• M2: 515,664 km (0.096 R)
• M3: 2,964,132 km (0.103 R)
• M4: 3,938,463 km (0.097 R)
• M5: 4,548,822 km (0.114 R)
• M6: 5,113,704 km (0.12 R)
• M7: 6,731,605 km (0.073 R)
• M8: 8,476,664 km (0.106 R)
• M9: 8,820,290 km (0.075 R)
• M10: 9,823,793 km (0.072 R)
• M11: 14,608,830 km (0.052 R)
• M12: 15,439,847 km (0.047 R)
• M13: 16,419,264 km (0.101 R)
• M14: 17,996,773 km (0.043 R)
• M15: 21,310,366 km (0.06 R)
• M16: 22,306,389 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 12.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.27 AU - 5.35 AU

Year: 7155 Days

Day: 6.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,972,764 km

• M1: 150,645 km (0.108 R)
• M2: 689,646 km (0.092 R)
• M3: 1,262,008 km (0.117 R)
• M4: 2,110,228 km (0.101 R)
• M5: 3,925,299 km (0.111 R)
• M6: 9,293,768 km (0.082 R)
• M7: 12,629,202 km (0.12 R)
• M8: 13,316,305 km (0.107 R)
• M9: 15,173,114 km (0.102 R)
• M10: 16,010,862 km (0.063 R)
• M11: 18,845,442 km (0.113 R)
• M12: 30,162,371 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.6

Radius: 9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.11 AU - 5.67 AU

Year: 8487 Days

Day: 6.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,972,764 km

• M1: 111,899 km (0.081 R)
• M2: 470,186 km (0.088 R)
• M3: 1,398,740 km (0.119 R)
• M4: 1,825,842 km (0.071 R)
• M5: 2,309,941 km (0.066 R)
• M6: 2,860,910 km (0.108 R)
• M7: 3,910,040 km (0.077 R)
• M8: 4,203,102 km (0.092 R)
• M9: 4,857,443 km (0.081 R)
• M10: 5,296,812 km (0.096 R)
• M11: 5,735,882 km (0.052 R)
• M12: 6,657,404 km (0.101 R)
• M13: 7,138,362 km (0.118 R)
• M14: 7,903,106 km (0.087 R)
• M15: 8,305,524 km (0.117 R)
• M16: 12,253,711 km (0.116 R)
• M17: 14,457,737 km (0.111 R)
• M18: 16,208,331 km (0.082 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: 411 - 10,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit