🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 14.5

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.74 AU - 0.82 AU

Year: 445 Days

Day: 7.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,173,420 km

• M1: 180,714 km (0.037 R)
• M2: 677,379 km (0.114 R)
• M3: 1,152,502 km (0.054 R)
• M4: 1,677,591 km (0.036 R)
• M5: 2,456,547 km (0.092 R)
• M6: 2,915,064 km (0.089 R)
• M7: 3,839,579 km (0.093 R)
• M8: 5,233,382 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 11.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.41 AU - 2.19 AU

Year: 1559 Days

Day: 9.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,173,420 km

• M1: 152,889 km (0.112 R)
• M2: 531,072 km (0.062 R)
• M3: 983,307 km (0.076 R)
• M4: 1,377,946 km (0.107 R)
• M5: 2,442,185 km (0.12 R)
• M6: 3,171,774 km (0.106 R)
• M7: 3,822,674 km (0.104 R)
• M8: 4,358,833 km (0.068 R)
• M9: 5,329,125 km (0.114 R)
• M10: 5,733,787 km (0.105 R)
• M11: 7,148,534 km (0.109 R)
• M12: 7,829,055 km (0.078 R)
• M13: 8,581,233 km (0.062 R)
• M14: 10,197,040 km (0.08 R)
• M15: 11,544,468 km (0.07 R)
• M16: 11,935,068 km (0.101 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.1

Radius: 3.6

Gravity: 73.08 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.03 AU - 7.35 AU

Year: 9944 Days

Day: 15.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,173,420 km

• M1: 53,556 km (0.116 R)
• M2: 235,168 km (0.115 R)
• M3: 370,554 km (0.111 R)
• M4: 666,459 km (0.1 R)
• M5: 875,297 km (0.069 R)
• M6: 1,067,979 km (0.034 R)
• M7: 1,628,223 km (0.054 R)
• M8: 1,954,945 km (0.027 R)
• M9: 4,125,161 km (0.06 R)
• M10: 4,480,606 km (0.074 R)
• M11: 5,634,155 km (0.113 R)
• M12: 7,013,148 km (0.116 R)
• M13: 7,561,873 km (0.033 R)
• M14: 8,461,256 km (0.106 R)
• M15: 8,602,027 km (0.119 R)
• M16: 10,044,749 km (0.045 R)
• M17: 10,362,196 km (0.048 R)
• M18: 14,913,412 km (0.081 R)
• M19: 15,257,038 km (0.07 R)
• M20: 15,465,727 km (0.104 R)
• M21: 15,888,790 km (0.099 R)
• M22: 16,175,120 km (0.08 R)
• M23: 17,430,546 km (0.111 R)
• M24: 17,965,807 km (0.113 R)
• M25: 18,749,550 km (0.036 R)
• M26: 20,300,581 km (0.079 R)
• M27: 26,152,401 km (0.112 R)
• M28: 26,451,447 km (0.12 R)
• M29: 26,651,908 km (0.041 R)
• M30: 31,101,547 km (0.059 R)
• M31: 32,919,011 km (0.109 R)
• M32: 36,021,372 km (0.08 R)
• M33: 37,013,804 km (0.07 R)
• M34: 38,536,411 km (0.088 R)
• M35: 38,665,066 km (0.104 R)
• M36: 44,901,950 km (0.066 R)
• M37: 48,557,075 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.7

Radius: 3.3

Gravity: 28.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.45 AU - 9.19 AU

Year: 14120 Days

Day: 24.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,173,420 km

• M1: 41,289 km (0.105 R)
• M2: 149,448 km (0.066 R)
• M3: 505,790 km (0.054 R)
• M4: 686,505 km (0.104 R)
• M5: 1,086,081 km (0.053 R)
• M6: 1,743,713 km (0.099 R)
• M7: 2,174,555 km (0.107 R)
• M8: 3,149,783 km (0.057 R)
• M9: 4,828,421 km (0.103 R)
• M10: 6,302,708 km (0.098 R)
• M11: 7,505,475 km (0.057 R)
• M12: 8,853,052 km (0.101 R)
• M13: 10,302,805 km (0.102 R)
• M14: 20,123,307 km (0.076 R)
• M15: 20,282,629 km (0.079 R)
• M16: 20,523,332 km (0.069 R)
• M17: 22,091,866 km (0.066 R)
• M18: 22,948,762 km (0.075 R)
• M19: 24,819,633 km (0.1 R)
• M20: 28,962,896 km (0.079 R)
• M21: 32,657,664 km (0.036 R)
• M22: 33,993,274 km (0.116 R)
• M23: 34,788,985 km (0.099 R)
• M24: 35,249,297 km (0.086 R)
• M25: 36,417,507 km (0.114 R)
• M26: 37,732,173 km (0.057 R)
• M27: 44,647,036 km (0.067 R)
• M28: 45,738,352 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.2

Radius: 5.1

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.69 AU - 10.39 AU

Year: 20541 Days

Day: 22.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,173,420 km

• M1: 64,177 km (0.054 R)
• M2: 561,441 km (0.037 R)
• M3: 2,460,287 km (0.108 R)
• M4: 6,215,044 km (0.083 R)
• M5: 8,676,377 km (0.076 R)
• M6: 9,490,788 km (0.102 R)
• M7: 14,274,330 km (0.094 R)
• M8: 19,879,313 km (0.096 R)
• M9: 20,950,883 km (0.11 R)
• M10: 28,612,238 km (0.113 R)
• M11: 29,870,057 km (0.079 R)
• M12: 30,512,580 km (0.095 R)
• M13: 31,493,493 km (0.071 R)
• M14: 37,576,442 km (0.102 R)
• M15: 48,832,635 km (0.064 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 16,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit