🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 11.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.56 AU - 0.6 AU

Year: 295 Days

Day: 10.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,764,558 km

• M1: 139,276 km (0.092 R)
• M2: 519,254 km (0.108 R)
• M3: 1,020,257 km (0.099 R)
• M4: 1,384,229 km (0.11 R)
• M5: 1,996,533 km (0.038 R)
• M6: 2,379,205 km (0.065 R)
• M7: 2,782,520 km (0.114 R)
• M8: 3,524,077 km (0.095 R)
• M9: 4,431,987 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.8

Radius: 11.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.77 AU - 0.81 AU

Year: 468 Days

Day: 8.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,764,558 km

• M1: 140,472 km (0.108 R)
• M2: 647,011 km (0.114 R)
• M3: 1,044,343 km (0.104 R)
• M4: 1,714,392 km (0.075 R)
• M5: 2,115,912 km (0.087 R)
• M6: 3,010,657 km (0.025 R)
• M7: 4,079,085 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941

Radius: 11.9

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.63 AU - 2.39 AU

Year: 1900 Days

Day: 6.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,764,558 km

• M1: 148,401 km (0.07 R)
• M2: 556,504 km (0.066 R)
• M3: 1,106,276 km (0.111 R)
• M4: 1,488,648 km (0.104 R)
• M5: 2,975,053 km (0.105 R)
• M6: 3,433,570 km (0.046 R)
• M7: 4,473,425 km (0.099 R)
• M8: 4,899,929 km (0.112 R)
• M9: 6,267,552 km (0.12 R)
• M10: 6,858,464 km (0.095 R)
• M11: 8,791,268 km (0.117 R)
• M12: 11,025,363 km (0.089 R)
• M13: 11,490,313 km (0.104 R)
• M14: 12,294,551 km (0.051 R)
• M15: 13,352,059 km (0.079 R)
• M16: 14,015,077 km (0.049 R)
• M17: 15,168,775 km (0.114 R)
• M18: 16,037,939 km (0.117 R)
• M19: 16,434,822 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 13.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.66 AU - 2.4 AU

Year: 1929 Days

Day: 10.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,764,558 km

• M1: 170,392 km (0.093 R)
• M2: 607,068 km (0.07 R)
• M3: 1,111,363 km (0.071 R)
• M4: 1,644,081 km (0.12 R)
• M5: 2,191,908 km (0.038 R)
• M6: 2,861,059 km (0.081 R)
• M7: 3,663,652 km (0.085 R)
• M8: 4,285,081 km (0.079 R)
• M9: 4,873,001 km (0.051 R)
• M10: 5,337,951 km (0.07 R)
• M11: 6,607,140 km (0.08 R)
• M12: 7,072,239 km (0.064 R)
• M13: 8,391,244 km (0.041 R)
• M14: 10,443,278 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.8

Radius: 11.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.35 AU - 4.47 AU

Year: 5156 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,764,558 km

• M1: 149,299 km (0.078 R)
• M2: 711,637 km (0.091 R)
• M3: 1,139,038 km (0.116 R)
• M4: 1,751,941 km (0.071 R)
• M5: 3,513,755 km (0.082 R)
• M6: 3,892,537 km (0.063 R)
• M7: 7,005,219 km (0.075 R)
• M8: 7,394,024 km (0.1 R)
• M9: 8,020,241 km (0.099 R)
• M10: 9,130,556 km (0.11 R)
• M11: 12,374,137 km (0.09 R)
• M12: 12,943,806 km (0.069 R)
• M13: 19,407,182 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.8

Radius: 13.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.76 AU - 4.4 AU

Year: 5496 Days

Day: 7.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,764,558 km

• M1: 172,187 km (0.067 R)
• M2: 705,204 km (0.077 R)
• M3: 1,264,401 km (0.097 R)
• M4: 1,871,619 km (0.119 R)
• M5: 2,423,186 km (0.108 R)
• M6: 3,216,803 km (0.12 R)
• M7: 4,201,157 km (0.026 R)
• M8: 5,051,471 km (0.078 R)
• M9: 5,603,338 km (0.08 R)
• M10: 6,043,604 km (0.064 R)
• M11: 7,717,006 km (0.059 R)
• M12: 10,405,280 km (0.036 R)
• M13: 12,201,950 km (0.06 R)
• M14: 14,964,425 km (0.052 R)
• M15: 18,827,191 km (0.082 R)
• M16: 19,352,729 km (0.117 R)
• M17: 26,857,755 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.3

Radius: 5

Gravity: 19.25 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.7 AU - 7.22 AU

Year: 9703 Days

Day: 23.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,764,558 km

• M1: 62,831 km (0.107 R)
• M2: 220,507 km (0.073 R)
• M3: 705,952 km (0.11 R)
• M4: 1,467,406 km (0.066 R)
• M5: 4,938,375 km (0.093 R)
• M6: 5,858,402 km (0.07 R)
• M7: 6,701,985 km (0.101 R)
• M8: 10,639,401 km (0.064 R)
• M9: 13,117,040 km (0.08 R)
• M10: 13,466,052 km (0.086 R)
• M11: 13,643,027 km (0.118 R)
• M12: 19,624,697 km (0.107 R)
• M13: 22,804,101 km (0.099 R)
• M14: 24,603,165 km (0.097 R)
• M15: 27,146,329 km (0.101 R)
• M16: 30,160,277 km (0.091 R)
• M17: 31,904,139 km (0.085 R)
• M18: 36,613,032 km (0.083 R)
• M19: 40,403,393 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 17,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit