🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.2 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.73 AU - 5.07 AU

Year: 3441 Days

Day: 25.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.8

Radius: 10.4

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.64 AU - 4.66 AU

Year: 3738 Days

Day: 5.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 98,505,056 km

• M1: 132,993 km (0.103 R)
• M2: 507,885 km (0.067 R)
• M3: 957,277 km (0.11 R)
• M4: 1,881,941 km (0.108 R)
• M5: 2,439,642 km (0.099 R)
• M6: 4,653,391 km (0.101 R)
• M7: 5,085,430 km (0.035 R)
• M8: 6,255,585 km (0.104 R)
• M9: 7,276,291 km (0.114 R)
• M10: 9,010,729 km (0.111 R)
• M11: 10,230,699 km (0.045 R)
• M12: 11,644,100 km (0.109 R)
• M13: 12,307,417 km (0.101 R)
• M14: 13,953,143 km (0.116 R)
• M15: 14,803,308 km (0.051 R)
• M16: 16,442,152 km (0.058 R)
• M17: 18,910,966 km (0.094 R)
• M18: 21,683,015 km (0.119 R)
• M19: 22,348,875 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.4

Radius: 13.2

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7 AU - 11.62 AU

Year: 10590 Days

Day: 7.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 98,505,056 km

• M1: 165,455 km (0.105 R)
• M2: 827,875 km (0.081 R)
• M3: 1,254,079 km (0.114 R)
• M4: 2,033,633 km (0.104 R)
• M5: 3,188,379 km (0.037 R)
• M6: 3,883,860 km (0.1 R)
• M7: 4,312,757 km (0.096 R)
• M8: 5,131,805 km (0.092 R)
• M9: 5,867,079 km (0.085 R)
• M10: 6,552,237 km (0.096 R)
• M11: 6,996,842 km (0.101 R)
• M12: 9,228,543 km (0.106 R)
• M13: 9,736,727 km (0.094 R)
• M14: 13,252,576 km (0.069 R)
• M15: 15,684,140 km (0.099 R)
• M16: 16,262,485 km (0.09 R)
• M17: 17,926,462 km (0.083 R)
• M18: 19,701,441 km (0.085 R)
• M19: 20,717,660 km (0.114 R)
• M20: 21,857,745 km (0.049 R)
• M21: 22,762,662 km (0.043 R)
• M22: 27,981,983 km (0.076 R)
• M23: 30,700,325 km (0.064 R)
• M24: 33,709,337 km (0.114 R)
• M25: 39,905,382 km (0.098 R)
• M26: 47,568,832 km (0.111 R)
• M27: 49,087,998 km (0.074 R)
• M28: 49,550,106 km (0.106 R)
• M29: 51,744,707 km (0.044 R)
• M30: 55,656,541 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.4

Radius: 6.3

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 12.44 AU - 12.44 AU

Year: 16356 Days

Day: 19 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,505,056 km

• M1: 78,389 km (0.111 R)
• M2: 401,969 km (0.098 R)
• M3: 637,586 km (0.086 R)
• M4: 1,329,027 km (0.113 R)
• M5: 1,661,284 km (0.093 R)
• M6: 2,253,692 km (0.088 R)
• M7: 2,627,986 km (0.05 R)
• M8: 3,847,508 km (0.069 R)
• M9: 4,905,613 km (0.11 R)
• M10: 5,340,494 km (0.057 R)
• M11: 5,567,285 km (0.094 R)
• M12: 6,989,811 km (0.112 R)
• M13: 8,463,500 km (0.097 R)
• M14: 9,134,596 km (0.116 R)
• M15: 10,431,011 km (0.082 R)
• M16: 10,734,994 km (0.083 R)
• M17: 11,791,155 km (0.086 R)
• M18: 14,794,930 km (0.094 R)
• M19: 17,480,960 km (0.081 R)
• M20: 18,863,693 km (0.041 R)
• M21: 19,391,175 km (0.1 R)
• M22: 19,850,889 km (0.032 R)
• M23: 30,027,584 km (0.109 R)
• M24: 30,746,402 km (0.114 R)
• M25: 32,005,118 km (0.052 R)
• M26: 39,547,693 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765

Radius: 7.1

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 13.67 AU - 21.83 AU

Year: 27877 Days

Day: 17.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 98,505,056 km

• M1: 88,712 km (0.052 R)
• M2: 483,949 km (0.119 R)
• M3: 774,019 km (0.055 R)
• M4: 1,682,078 km (0.098 R)
• M5: 2,202,829 km (0.102 R)
• M6: 2,908,183 km (0.119 R)
• M7: 3,821,478 km (0.039 R)
• M8: 4,164,954 km (0.119 R)
• M9: 5,617,550 km (0.12 R)
• M10: 10,437,144 km (0.086 R)
• M11: 15,758,191 km (0.077 R)
• M12: 19,390,128 km (0.065 R)
• M13: 20,507,325 km (0.106 R)
• M14: 25,168,795 km (0.044 R)
• M15: 32,278,733 km (0.114 R)
• M16: 34,135,392 km (0.083 R)
• M17: 36,516,840 km (0.073 R)
• M18: 37,437,765 km (0.057 R)
• M19: 38,060,241 km (0.066 R)
• M20: 39,325,839 km (0.094 R)
• M21: 40,456,201 km (0.064 R)
• M22: 41,276,596 km (0.089 R)
• M23: 42,612,355 km (0.1 R)
• M24: 44,149,174 km (0.084 R)
• M25: 47,696,140 km (0.108 R)
• M26: 48,060,859 km (0.085 R)
• M27: 49,725,584 km (0.071 R)
• M28: 53,561,872 km (0.109 R)
• M29: 63,564,434 km (0.104 R)
• M30: 75,234,564 km (0.05 R)
• M31: 92,717,320 km (0.091 R)
• M32: 94,142,389 km (0.044 R)
• M33: 95,292,946 km (0.114 R)
• M34: 95,871,591 km (0.081 R)
• M35: 97,915,696 km (0.064 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 17,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit