🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 12.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,151,556 km

• M1: 99,931 km (0.085 R)
• M2: 412,890 km (0.063 R)
• M3: 666,010 km (0.087 R)
• M4: 1,154,596 km (0.092 R)
• M5: 1,405,173 km (0.101 R)
• M6: 1,959,433 km (0.083 R)
• M7: 2,651,921 km (0.118 R)
• M8: 3,313,443 km (0.061 R)
• M9: 3,746,679 km (0.086 R)
• M10: 4,254,863 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.3

Radius: 12.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.18 AU - 1.38 AU

Year: 950 Days

Day: 8.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,151,556 km

• M1: 153,039 km (0.112 R)
• M2: 571,913 km (0.084 R)
• M3: 1,301,053 km (0.114 R)
• M4: 2,144,785 km (0.103 R)
• M5: 2,568,895 km (0.115 R)
• M6: 3,178,356 km (0.088 R)
• M7: 4,066,669 km (0.118 R)
• M8: 5,022,898 km (0.112 R)
• M9: 5,449,102 km (0.089 R)
• M10: 7,078,522 km (0.083 R)
• M11: 7,568,007 km (0.06 R)
• M12: 8,306,422 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.9

Radius: 13.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.16 AU - 1.82 AU

Year: 1193 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,151,556 km

• M1: 173,384 km (0.067 R)
• M2: 627,413 km (0.092 R)
• M3: 1,202,916 km (0.116 R)
• M4: 1,773,632 km (0.039 R)
• M5: 2,360,355 km (0.104 R)
• M6: 3,061,520 km (0.105 R)
• M7: 3,583,168 km (0.048 R)
• M8: 4,640,526 km (0.09 R)
• M9: 5,413,797 km (0.077 R)
• M10: 6,093,121 km (0.075 R)
• M11: 7,393,426 km (0.115 R)
• M12: 9,484,804 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.7

Radius: 13.3

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.58 AU - 2.02 AU

Year: 1584 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,151,556 km

• M1: 165,455 km (0.101 R)
• M2: 638,035 km (0.102 R)
• M3: 1,137,093 km (0.09 R)
• M4: 1,695,093 km (0.108 R)
• M5: 2,173,956 km (0.074 R)
• M6: 2,673,912 km (0.081 R)
• M7: 3,110,589 km (0.062 R)
• M8: 4,037,347 km (0.067 R)
• M9: 4,656,832 km (0.101 R)
• M10: 5,250,287 km (0.081 R)
• M11: 5,965,813 km (0.07 R)
• M12: 6,589,487 km (0.093 R)
• M13: 7,367,097 km (0.058 R)
• M14: 9,041,396 km (0.114 R)
• M15: 13,088,916 km (0.056 R)
• M16: 14,274,629 km (0.119 R)
• M17: 14,759,625 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.9

Radius: 13.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.83 AU - 2.05 AU

Year: 1773 Days

Day: 10 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,151,556 km

• M1: 164,109 km (0.1 R)
• M2: 631,602 km (0.089 R)
• M3: 1,059,303 km (0.1 R)
• M4: 2,836,675 km (0.088 R)
• M5: 3,485,481 km (0.099 R)
• M6: 4,266,980 km (0.112 R)
• M7: 5,001,506 km (0.088 R)
• M8: 7,020,329 km (0.1 R)
• M9: 8,725,146 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 8.1

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.66 AU - 6.12 AU

Year: 8209 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,151,556 km

• M1: 103,372 km (0.071 R)
• M2: 406,757 km (0.104 R)
• M3: 900,579 km (0.032 R)
• M4: 1,227,600 km (0.032 R)
• M5: 1,912,010 km (0.112 R)
• M6: 2,239,181 km (0.071 R)
• M7: 3,655,723 km (0.056 R)
• M8: 4,264,587 km (0.079 R)
• M9: 7,244,426 km (0.088 R)
• M10: 7,504,876 km (0.045 R)
• M11: 7,810,056 km (0.074 R)
• M12: 8,527,378 km (0.072 R)
• M13: 9,115,148 km (0.079 R)
• M14: 10,001,216 km (0.116 R)
• M15: 11,486,274 km (0.087 R)
• M16: 16,303,924 km (0.048 R)
• M17: 16,559,138 km (0.096 R)
• M18: 17,942,769 km (0.092 R)
• M19: 18,907,076 km (0.095 R)
• M20: 22,240,416 km (0.111 R)
• M21: 23,031,041 km (0.12 R)
• M22: 26,822,300 km (0.106 R)
• M23: 27,088,883 km (0.08 R)
• M24: 28,633,332 km (0.075 R)
• M25: 28,911,733 km (0.104 R)
• M26: 29,192,080 km (0.106 R)
• M27: 29,474,221 km (0.086 R)
• M28: 31,107,531 km (0.056 R)
• M29: 31,896,660 km (0.088 R)
• M30: 32,597,974 km (0.109 R)
• M31: 36,043,513 km (0.031 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 15,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit