🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.1

Radius: 9.2

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.95 AU - 1.41 AU

Year: 885 Days

Day: 11.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,532,838 km

• M1: 114,442 km (0.082 R)
• M2: 422,464 km (0.047 R)
• M3: 752,477 km (0.098 R)
• M4: 1,072,916 km (0.062 R)
• M5: 1,688,062 km (0.1 R)
• M6: 1,993,691 km (0.102 R)
• M7: 2,325,798 km (0.032 R)
• M8: 2,975,053 km (0.093 R)
• M9: 4,963,807 km (0.1 R)
• M10: 6,203,225 km (0.109 R)
• M11: 6,499,878 km (0.116 R)
• M12: 6,917,555 km (0.062 R)
• M13: 7,306,510 km (0.094 R)
• M14: 7,929,435 km (0.074 R)
• M15: 8,535,456 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.7

Radius: 14

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.38 AU - 2.38 AU

Year: 2534 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,532,838 km

• M1: 174,431 km (0.069 R)
• M2: 628,760 km (0.09 R)
• M3: 1,376,600 km (0.108 R)
• M4: 1,924,577 km (0.115 R)
• M5: 2,647,733 km (0.099 R)
• M6: 3,772,559 km (0.098 R)
• M7: 4,232,573 km (0.118 R)
• M8: 4,982,207 km (0.044 R)
• M9: 5,463,464 km (0.1 R)
• M10: 7,247,269 km (0.077 R)
• M11: 9,831,273 km (0.097 R)
• M12: 10,631,472 km (0.118 R)
• M13: 11,269,956 km (0.064 R)
• M14: 12,361,870 km (0.099 R)
• M15: 13,941,923 km (0.098 R)
• M16: 15,908,238 km (0.079 R)
• M17: 16,691,382 km (0.098 R)
• M18: 17,500,109 km (0.084 R)
• M19: 18,905,730 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.9

Radius: 12.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2 AU - 3.18 AU

Year: 2877 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,532,838 km

• M1: 153,487 km (0.07 R)
• M2: 574,456 km (0.077 R)
• M3: 1,341,743 km (0.084 R)
• M4: 1,872,816 km (0.102 R)
• M5: 2,334,026 km (0.12 R)
• M6: 2,748,113 km (0.076 R)
• M7: 3,178,057 km (0.042 R)
• M8: 3,783,779 km (0.114 R)
• M9: 4,339,535 km (0.092 R)
• M10: 5,180,425 km (0.08 R)
• M11: 6,048,392 km (0.081 R)
• M12: 7,215,105 km (0.114 R)
• M13: 8,168,493 km (0.099 R)
• M14: 9,556,162 km (0.081 R)
• M15: 10,064,346 km (0.077 R)
• M16: 10,476,189 km (0.108 R)
• M17: 11,016,686 km (0.05 R)
• M18: 11,414,168 km (0.119 R)
• M19: 12,449,834 km (0.09 R)
• M20: 13,367,318 km (0.107 R)
• M21: 16,442,751 km (0.093 R)
• M22: 17,762,952 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.2

Radius: 11.1

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.24 AU - 3.46 AU

Year: 3321 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,532,838 km

• M1: 138,079 km (0.117 R)
• M2: 570,417 km (0.055 R)
• M3: 916,586 km (0.032 R)
• M4: 1,427,612 km (0.105 R)
• M5: 1,791,135 km (0.104 R)
• M6: 2,252,645 km (0.088 R)
• M7: 2,977,147 km (0.11 R)
• M8: 4,433,034 km (0.049 R)
• M9: 5,416,041 km (0.056 R)
• M10: 7,049,650 km (0.037 R)
• M11: 9,082,984 km (0.101 R)
• M12: 10,217,385 km (0.11 R)
• M13: 11,923,549 km (0.097 R)
• M14: 12,378,177 km (0.086 R)
• M15: 13,606,674 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.4

Radius: 8.4

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.93 AU - 4.37 AU

Year: 4813 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,532,838 km

• M1: 104,419 km (0.093 R)
• M2: 372,947 km (0.062 R)
• M3: 684,111 km (0.071 R)
• M4: 1,234,332 km (0.099 R)
• M5: 1,533,079 km (0.069 R)
• M6: 2,225,418 km (0.111 R)
• M7: 3,180,301 km (0.097 R)
• M8: 4,110,949 km (0.094 R)
• M9: 5,950,854 km (0.111 R)
• M10: 6,499,429 km (0.038 R)
• M11: 7,416,015 km (0.112 R)
• M12: 7,889,343 km (0.118 R)
• M13: 9,503,504 km (0.059 R)
• M14: 9,873,609 km (0.111 R)
• M15: 11,001,128 km (0.119 R)
• M16: 11,285,813 km (0.06 R)
• M17: 11,700,947 km (0.101 R)
• M18: 12,386,255 km (0.1 R)
• M19: 13,326,029 km (0.06 R)
• M20: 13,603,084 km (0.104 R)
• M21: 13,978,425 km (0.085 R)
• M22: 15,959,998 km (0.097 R)
• M23: 17,180,418 km (0.087 R)
• M24: 18,178,236 km (0.07 R)
• M25: 19,272,694 km (0.07 R)
• M26: 20,349,499 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 11,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit