🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.2

Radius: 13

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.92 AU - 1.14 AU

Year: 722 Days

Day: 6.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,150,532 km

• M1: 161,715 km (0.096 R)
• M2: 574,157 km (0.115 R)
• M3: 1,174,194 km (0.08 R)
• M4: 1,785,151 km (0.083 R)
• M5: 2,230,803 km (0.081 R)
• M6: 2,966,975 km (0.071 R)
• M7: 4,650,100 km (0.112 R)
• M8: 5,265,247 km (0.12 R)
• M9: 5,796,170 km (0.053 R)
• M10: 7,054,886 km (0.065 R)
• M11: 7,466,131 km (0.09 R)
• M12: 7,966,087 km (0.067 R)

Asteroid Belt

Center: 1.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 11.7

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.71 AU - 1.71 AU

Year: 1543 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,150,532 km

• M1: 145,559 km (0.108 R)
• M2: 518,357 km (0.104 R)
• M3: 1,130,362 km (0.094 R)
• M4: 1,714,392 km (0.104 R)
• M5: 2,170,516 km (0.097 R)
• M6: 3,128,839 km (0.088 R)
• M7: 3,494,157 km (0.119 R)
• M8: 4,105,265 km (0.112 R)
• M9: 4,705,152 km (0.078 R)
• M10: 5,252,531 km (0.037 R)
• M11: 6,032,235 km (0.042 R)
• M12: 6,913,965 km (0.094 R)
• M13: 7,289,904 km (0.102 R)
• M14: 8,807,874 km (0.1 R)
• M15: 9,908,316 km (0.07 R)
• M16: 10,387,179 km (0.114 R)
• M17: 12,109,200 km (0.112 R)
• M18: 14,357,207 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 13.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.73 AU - 1.93 AU

Year: 1709 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,150,532 km

• M1: 170,392 km (0.117 R)
• M2: 616,493 km (0.034 R)
• M3: 1,055,712 km (0.108 R)
• M4: 1,656,497 km (0.057 R)
• M5: 2,314,429 km (0.029 R)
• M6: 2,959,345 km (0.106 R)
• M7: 3,482,040 km (0.068 R)
• M8: 4,198,464 km (0.051 R)
• M9: 4,694,830 km (0.103 R)
• M10: 5,735,283 km (0.11 R)
• M11: 7,280,330 km (0.088 R)
• M12: 8,000,494 km (0.118 R)
• M13: 8,673,086 km (0.104 R)
• M14: 9,752,435 km (0.108 R)
• M15: 13,193,485 km (0.111 R)
• M16: 13,872,809 km (0.06 R)
• M17: 14,486,310 km (0.098 R)
• M18: 14,935,403 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.5

Radius: 10.3

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.95 AU - 4.03 AU

Year: 4500 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,150,532 km

• M1: 142,716 km (0.083 R)
• M2: 476,619 km (0.105 R)
• M3: 846,574 km (0.106 R)
• M4: 1,365,679 km (0.104 R)
• M5: 1,815,221 km (0.093 R)
• M6: 2,567,847 km (0.059 R)
• M7: 2,982,533 km (0.038 R)
• M8: 3,708,232 km (0.104 R)
• M9: 4,988,341 km (0.05 R)
• M10: 5,457,630 km (0.12 R)
• M11: 9,951,998 km (0.096 R)
• M12: 13,862,786 km (0.045 R)
• M13: 14,993,147 km (0.05 R)
• M14: 15,503,426 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.3

Radius: 14.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.26 AU - 4.48 AU

Year: 5255 Days

Day: 10.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,150,532 km

• M1: 183,557 km (0.08 R)
• M2: 875,297 km (0.078 R)
• M3: 1,408,165 km (0.118 R)
• M4: 1,883,736 km (0.114 R)
• M5: 2,732,106 km (0.107 R)
• M6: 3,255,998 km (0.064 R)
• M7: 3,917,220 km (0.046 R)
• M8: 4,693,783 km (0.114 R)
• M9: 5,219,021 km (0.106 R)
• M10: 6,861,755 km (0.105 R)
• M11: 7,840,424 km (0.071 R)
• M12: 8,463,051 km (0.066 R)
• M13: 10,393,312 km (0.086 R)
• M14: 11,934,619 km (0.101 R)
• M15: 13,241,207 km (0.078 R)
• M16: 14,182,776 km (0.077 R)
• M17: 14,932,560 km (0.055 R)
• M18: 15,407,085 km (0.116 R)
• M19: 16,891,395 km (0.113 R)
• M20: 17,866,324 km (0.061 R)
• M21: 20,000,039 km (0.117 R)
• M22: 20,504,483 km (0.026 R)
• M23: 21,538,802 km (0.052 R)
• M24: 23,631,527 km (0.077 R)
• M25: 24,195,660 km (0.08 R)
• M26: 26,455,935 km (0.106 R)
• M27: 33,066,515 km (0.083 R)
• M28: 34,283,045 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.6

Radius: 13.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.38 AU - 4.78 AU

Year: 6766 Days

Day: 6.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,150,532 km

• M1: 164,707 km (0.083 R)
• M2: 1,123,031 km (0.043 R)
• M3: 1,975,141 km (0.089 R)
• M4: 3,630,142 km (0.042 R)
• M5: 5,091,713 km (0.104 R)
• M6: 7,213,310 km (0.11 R)
• M7: 11,238,390 km (0.096 R)
• M8: 14,713,250 km (0.042 R)
• M9: 18,488,950 km (0.117 R)
• M10: 19,804,365 km (0.11 R)
• M11: 25,605,920 km (0.075 R)
• M12: 26,687,213 km (0.081 R)
• M13: 28,940,606 km (0.075 R)
• M14: 38,407,309 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.1

Radius: 5.5

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.53 AU - 6.98 AU

Year: 10785 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,150,532 km

• M1: 68,366 km (0.092 R)
• M2: 379,530 km (0.1 R)
• M3: 629,508 km (0.05 R)
• M4: 857,345 km (0.102 R)
• M5: 1,616,106 km (0.105 R)
• M6: 1,816,567 km (0.057 R)
• M7: 2,373,669 km (0.084 R)
• M8: 2,790,599 km (0.098 R)
• M9: 4,203,401 km (0.11 R)
• M10: 4,473,575 km (0.081 R)
• M11: 4,871,206 km (0.076 R)
• M12: 5,048,629 km (0.12 R)
• M13: 5,322,991 km (0.115 R)
• M14: 6,344,894 km (0.115 R)
• M15: 7,808,261 km (0.105 R)
• M16: 8,639,875 km (0.107 R)
• M17: 9,077,150 km (0.106 R)
• M18: 9,948,258 km (0.115 R)
• M19: 10,138,547 km (0.099 R)
• M20: 10,625,039 km (0.053 R)
• M21: 11,802,674 km (0.058 R)
• M22: 12,016,000 km (0.1 R)
• M23: 14,966,669 km (0.093 R)
• M24: 17,113,697 km (0.098 R)
• M25: 18,367,178 km (0.096 R)
• M26: 21,055,601 km (0.076 R)
• M27: 24,770,864 km (0.114 R)
• M28: 26,100,191 km (0.073 R)
• M29: 29,679,619 km (0.093 R)
• M30: 37,104,760 km (0.114 R)
• M31: 38,490,485 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 18,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit