🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 9.7

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.88 AU - 1.1 AU

Year: 692 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,642,646 km

• M1: 120,576 km (0.085 R)
• M2: 440,715 km (0.114 R)
• M3: 1,049,728 km (0.044 R)
• M4: 1,667,567 km (0.105 R)
• M5: 2,021,366 km (0.101 R)
• M6: 2,624,246 km (0.065 R)
• M7: 2,968,471 km (0.088 R)
• M8: 3,881,167 km (0.077 R)
• M9: 4,330,110 km (0.072 R)
• M10: 4,727,742 km (0.113 R)
• M11: 5,240,413 km (0.094 R)
• M12: 5,988,104 km (0.061 R)
• M13: 6,567,496 km (0.091 R)
• M14: 7,161,250 km (0.067 R)
• M15: 8,008,124 km (0.111 R)
• M16: 8,763,593 km (0.087 R)

Asteroid Belt

Center: 2.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.2

Radius: 9.4

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.65 AU - 3.41 AU

Year: 3707 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,642,646 km

• M1: 116,836 km (0.091 R)
• M2: 540,048 km (0.115 R)
• M3: 988,692 km (0.107 R)
• M4: 1,539,661 km (0.076 R)
• M5: 1,964,070 km (0.102 R)
• M6: 2,772,049 km (0.118 R)
• M7: 3,443,593 km (0.029 R)
• M8: 4,152,837 km (0.102 R)
• M9: 5,583,292 km (0.105 R)
• M10: 6,591,432 km (0.1 R)
• M11: 7,649,089 km (0.082 R)
• M12: 9,115,896 km (0.036 R)
• M13: 9,500,362 km (0.087 R)
• M14: 11,104,500 km (0.054 R)
• M15: 11,948,232 km (0.078 R)
• M16: 12,409,143 km (0.108 R)
• M17: 13,514,372 km (0.11 R)
• M18: 14,116,354 km (0.093 R)
• M19: 14,527,599 km (0.092 R)
• M20: 14,893,964 km (0.113 R)
• M21: 17,107,115 km (0.089 R)
• M22: 18,050,778 km (0.111 R)
• M23: 18,535,475 km (0.095 R)
• M24: 19,153,464 km (0.105 R)
• M25: 21,968,597 km (0.115 R)
• M26: 24,015,993 km (0.051 R)
• M27: 25,048,518 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.3

Radius: 8.6

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.51 AU - 3.75 AU

Year: 3892 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,642,646 km

• M1: 106,962 km (0.041 R)
• M2: 412,292 km (0.105 R)
• M3: 826,079 km (0.062 R)
• M4: 1,277,865 km (0.107 R)
• M5: 2,215,844 km (0.09 R)
• M6: 2,917,308 km (0.071 R)
• M7: 3,339,174 km (0.088 R)
• M8: 3,759,394 km (0.12 R)
• M9: 4,214,621 km (0.06 R)
• M10: 4,633,495 km (0.061 R)
• M11: 6,175,550 km (0.07 R)
• M12: 6,999,236 km (0.12 R)
• M13: 9,435,437 km (0.12 R)
• M14: 9,950,652 km (0.075 R)
• M15: 10,652,565 km (0.117 R)
• M16: 11,080,714 km (0.074 R)
• M17: 11,431,372 km (0.087 R)
• M18: 11,744,181 km (0.058 R)
• M19: 12,622,470 km (0.082 R)
• M20: 15,519,881 km (0.089 R)
• M21: 16,294,050 km (0.118 R)
• M22: 17,979,270 km (0.105 R)
• M23: 18,647,973 km (0.099 R)
• M24: 20,424,747 km (0.11 R)
• M25: 22,590,176 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 12

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.08 AU - 5 AU

Year: 6800 Days

Day: 9.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,642,646 km

• M1: 149,299 km (0.078 R)
• M2: 794,963 km (0.108 R)
• M3: 1,495,231 km (0.1 R)
• M4: 3,108,195 km (0.051 R)
• M5: 4,143,263 km (0.105 R)
• M6: 4,535,508 km (0.076 R)
• M7: 4,977,869 km (0.1 R)
• M8: 5,978,679 km (0.085 R)
• M9: 9,789,834 km (0.092 R)
• M10: 10,197,788 km (0.116 R)
• M11: 11,179,150 km (0.079 R)
• M12: 11,898,267 km (0.092 R)
• M13: 12,316,093 km (0.096 R)
• M14: 13,132,299 km (0.116 R)
• M15: 19,630,083 km (0.056 R)
• M16: 25,698,969 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.2

Radius: 6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.35 AU - 11.81 AU

Year: 20843 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 55.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,642,646 km

• M1: 84,972 km (0.096 R)
• M2: 363,523 km (0.103 R)
• M3: 575,054 km (0.083 R)
• M4: 1,100,741 km (0.085 R)
• M5: 1,346,979 km (0.034 R)
• M6: 1,616,106 km (0.104 R)
• M7: 3,048,206 km (0.118 R)
• M8: 3,632,386 km (0.075 R)
• M9: 5,416,490 km (0.119 R)
• M10: 9,550,478 km (0.096 R)
• M11: 11,092,084 km (0.067 R)
• M12: 13,186,454 km (0.12 R)
• M13: 18,138,742 km (0.075 R)
• M14: 18,421,781 km (0.072 R)
• M15: 18,996,536 km (0.113 R)
• M16: 20,257,646 km (0.062 R)
• M17: 24,718,954 km (0.119 R)
• M18: 25,861,732 km (0.059 R)
• M19: 30,485,652 km (0.095 R)
• M20: 30,685,216 km (0.064 R)
• M21: 33,466,390 km (0.078 R)
• M22: 36,299,026 km (0.118 R)
• M23: 37,544,129 km (0.051 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 17,621 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit