🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.3

Radius: 13.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.92 AU - 0.94 AU

Year: 630 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,071,941 km

• M1: 165,904 km (0.083 R)
• M2: 621,878 km (0.072 R)
• M3: 1,095,655 km (0.053 R)
• M4: 1,676,394 km (0.119 R)
• M5: 2,546,904 km (0.104 R)
• M6: 3,101,164 km (0.059 R)
• M7: 3,876,829 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.3

Radius: 12.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.98 AU - 2.78 AU

Year: 2581 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,071,941 km

• M1: 156,779 km (0.097 R)
• M2: 567,724 km (0.1 R)
• M3: 1,262,456 km (0.08 R)
• M4: 2,303,957 km (0.115 R)
• M5: 2,891,577 km (0.088 R)
• M6: 3,380,463 km (0.116 R)
• M7: 3,800,384 km (0.112 R)
• M8: 4,932,691 km (0.084 R)
• M9: 6,082,799 km (0.108 R)
• M10: 8,117,629 km (0.085 R)
• M11: 8,567,620 km (0.096 R)
• M12: 9,097,645 km (0.085 R)
• M13: 10,327,339 km (0.06 R)
• M14: 13,443,762 km (0.071 R)
• M15: 15,081,261 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 8.1

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.92 AU - 3.44 AU

Year: 3986 Days

Day: 5.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,071,941 km

• M1: 100,679 km (0.094 R)
• M2: 509,530 km (0.068 R)
• M3: 863,928 km (0.069 R)
• M4: 1,279,959 km (0.043 R)
• M5: 1,762,712 km (0.077 R)
• M6: 2,088,237 km (0.074 R)
• M7: 3,238,046 km (0.072 R)
• M8: 4,594,450 km (0.077 R)
• M9: 5,319,850 km (0.085 R)
• M10: 5,919,289 km (0.034 R)
• M11: 6,294,330 km (0.071 R)
• M12: 6,563,158 km (0.091 R)
• M13: 7,091,837 km (0.1 R)
• M14: 7,920,758 km (0.119 R)
• M15: 8,556,400 km (0.06 R)
• M16: 10,459,285 km (0.11 R)
• M17: 12,960,711 km (0.111 R)
• M18: 15,890,435 km (0.116 R)
• M19: 16,334,143 km (0.083 R)
• M20: 18,312,874 km (0.092 R)
• M21: 18,616,707 km (0.072 R)
• M22: 18,985,765 km (0.067 R)
• M23: 19,675,112 km (0.09 R)
• M24: 20,773,011 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.3

Radius: 14.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.16 AU - 4.78 AU

Year: 5560 Days

Day: 9.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,071,941 km

• M1: 182,958 km (0.07 R)
• M2: 641,326 km (0.047 R)
• M3: 1,190,051 km (0.119 R)
• M4: 1,776,475 km (0.051 R)
• M5: 2,333,876 km (0.107 R)
• M6: 3,345,906 km (0.111 R)
• M7: 3,995,161 km (0.106 R)
• M8: 4,657,431 km (0.034 R)
• M9: 6,550,292 km (0.12 R)
• M10: 8,804,732 km (0.094 R)
• M11: 15,050,294 km (0.077 R)
• M12: 16,219,401 km (0.098 R)
• M13: 17,050,567 km (0.076 R)
• M14: 20,791,112 km (0.111 R)
• M15: 22,240,715 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453

Radius: 11

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.98 AU - 4.84 AU

Year: 6510 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,071,941 km

• M1: 136,882 km (0.054 R)
• M2: 557,850 km (0.101 R)
• M3: 1,321,548 km (0.08 R)
• M4: 1,693,149 km (0.117 R)
• M5: 2,196,097 km (0.039 R)
• M6: 3,098,022 km (0.117 R)
• M7: 4,760,055 km (0.046 R)
• M8: 7,983,141 km (0.043 R)
• M9: 9,074,756 km (0.09 R)
• M10: 11,409,381 km (0.076 R)
• M11: 11,939,855 km (0.109 R)
• M12: 17,230,683 km (0.094 R)
• M13: 22,451,648 km (0.092 R)
• M14: 24,218,698 km (0.104 R)
• M15: 29,711,184 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.5

Radius: 4.1

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.24 AU - 10 AU

Year: 17790 Days

Day: 22.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,071,941 km

• M1: 53,556 km (0.101 R)
• M2: 190,737 km (0.042 R)
• M3: 512,373 km (0.109 R)
• M4: 806,632 km (0.072 R)
• M5: 1,242,560 km (0.107 R)
• M6: 1,498,073 km (0.094 R)
• M7: 1,869,973 km (0.095 R)
• M8: 2,113,668 km (0.088 R)
• M9: 2,664,637 km (0.072 R)
• M10: 2,794,339 km (0.07 R)
• M11: 3,042,821 km (0.085 R)
• M12: 3,715,562 km (0.03 R)
• M13: 4,604,323 km (0.095 R)
• M14: 5,247,744 km (0.105 R)
• M15: 6,322,305 km (0.08 R)
• M16: 6,553,584 km (0.099 R)
• M17: 7,535,694 km (0.093 R)
• M18: 7,752,012 km (0.117 R)
• M19: 8,800,693 km (0.075 R)
• M20: 10,148,420 km (0.071 R)
• M21: 10,359,204 km (0.069 R)
• M22: 11,685,389 km (0.085 R)
• M23: 12,210,627 km (0.096 R)
• M24: 12,935,129 km (0.106 R)
• M25: 22,886,978 km (0.091 R)
• M26: 27,188,216 km (0.045 R)
• M27: 28,005,320 km (0.109 R)
• M28: 43,258,767 km (0.092 R)
• M29: 44,934,712 km (0.113 R)
• M30: 45,932,081 km (0.107 R)
• M31: 46,219,758 km (0.093 R)
• M32: 50,069,360 km (0.061 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 18,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit