🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.51 AU - 0.75 AU

Year: 328 Days

Day: 42 Hours

Environment

Temp: -135 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,993,356 km

• M1: 309,668 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 13.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.64 AU - 0.92 AU

Year: 452 Days

Day: 7.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,993,356 km

• M1: 172,935 km (0.103 R)
• M2: 682,316 km (0.093 R)
• M3: 1,295,218 km (0.115 R)
• M4: 1,795,324 km (0.054 R)
• M5: 2,277,777 km (0.119 R)
• M6: 2,732,106 km (0.095 R)
• M7: 3,377,621 km (0.106 R)
• M8: 3,960,604 km (0.1 R)
• M9: 4,565,727 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.4

Radius: 8.9

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.74 AU - 0.84 AU

Year: 461 Days

Day: 6.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,993,356 km

• M1: 110,702 km (0.106 R)
• M2: 390,450 km (0.085 R)
• M3: 704,307 km (0.116 R)
• M4: 1,098,048 km (0.083 R)
• M5: 1,420,581 km (0.118 R)
• M6: 2,193,554 km (0.032 R)
• M7: 2,664,338 km (0.064 R)
• M8: 3,323,466 km (0.039 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.4

Radius: 4.4

Gravity: 27.5 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.33 AU - 7.71 AU

Year: 12202 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,993,356 km

• M1: 61,784 km (0.105 R)
• M2: 217,665 km (0.049 R)
• M3: 378,183 km (0.052 R)
• M4: 1,596,209 km (0.063 R)
• M5: 1,978,581 km (0.11 R)
• M6: 2,322,657 km (0.105 R)
• M7: 2,968,321 km (0.112 R)
• M8: 3,344,709 km (0.049 R)
• M9: 3,595,884 km (0.077 R)
• M10: 4,395,335 km (0.042 R)
• M11: 5,141,529 km (0.117 R)
• M12: 5,579,253 km (0.12 R)
• M13: 6,188,565 km (0.07 R)
• M14: 7,245,773 km (0.064 R)
• M15: 8,463,649 km (0.088 R)
• M16: 9,964,265 km (0.062 R)
• M17: 12,986,442 km (0.059 R)
• M18: 15,241,031 km (0.058 R)
• M19: 19,932,869 km (0.086 R)
• M20: 20,177,611 km (0.113 R)
• M21: 21,092,103 km (0.041 R)
• M22: 21,346,270 km (0.069 R)
• M23: 22,471,246 km (0.085 R)
• M24: 23,092,975 km (0.105 R)
• M25: 23,362,999 km (0.072 R)
• M26: 24,650,737 km (0.037 R)
• M27: 26,179,627 km (0.07 R)
• M28: 26,473,138 km (0.108 R)
• M29: 29,319,537 km (0.11 R)
• M30: 30,707,805 km (0.072 R)
• M31: 38,310,668 km (0.081 R)
• M32: 46,359,483 km (0.079 R)
• M33: 47,076,954 km (0.114 R)
• M34: 48,977,146 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.5

Radius: 3.5

Gravity: 54.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.81 AU - 9.53 AU

Year: 15319 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,993,356 km

• M1: 45,179 km (0.106 R)
• M2: 195,076 km (0.084 R)
• M3: 1,727,855 km (0.074 R)
• M4: 2,983,430 km (0.078 R)
• M5: 6,257,380 km (0.119 R)
• M6: 7,143,747 km (0.101 R)
• M7: 10,076,464 km (0.111 R)
• M8: 16,717,412 km (0.099 R)
• M9: 17,832,066 km (0.081 R)
• M10: 17,995,277 km (0.103 R)
• M11: 18,910,816 km (0.112 R)
• M12: 20,924,404 km (0.048 R)
• M13: 21,288,525 km (0.095 R)
• M14: 21,564,533 km (0.092 R)
• M15: 28,365,103 km (0.087 R)
• M16: 33,160,462 km (0.094 R)
• M17: 35,813,730 km (0.068 R)
• M18: 35,943,432 km (0.114 R)
• M19: 43,721,174 km (0.041 R)
• M20: 44,615,620 km (0.111 R)
• M21: 46,440,864 km (0.118 R)
• M22: 49,753,709 km (0.105 R)
• M23: 51,715,834 km (0.112 R)
• M24: 52,381,096 km (0.109 R)
• M25: 52,883,745 km (0.119 R)
• M26: 55,099,439 km (0.11 R)
• M27: 57,910,233 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.5

Radius: 7.2

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.85 AU - 9.89 AU

Year: 15885 Days

Day: 20.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,993,356 km

• M1: 89,609 km (0.051 R)
• M2: 632,500 km (0.092 R)
• M3: 1,127,818 km (0.1 R)
• M4: 1,506,899 km (0.084 R)
• M5: 1,968,558 km (0.073 R)
• M6: 2,433,060 km (0.115 R)
• M7: 2,703,234 km (0.115 R)
• M8: 3,120,462 km (0.07 R)
• M9: 3,440,153 km (0.092 R)
• M10: 4,873,300 km (0.112 R)
• M11: 5,567,883 km (0.091 R)
• M12: 6,972,906 km (0.102 R)
• M13: 7,999,148 km (0.093 R)
• M14: 9,283,595 km (0.104 R)
• M15: 9,833,966 km (0.075 R)
• M16: 10,464,371 km (0.094 R)
• M17: 11,553,444 km (0.074 R)
• M18: 13,326,029 km (0.107 R)
• M19: 15,197,199 km (0.094 R)
• M20: 18,492,990 km (0.114 R)
• M21: 19,275,536 km (0.103 R)
• M22: 19,719,543 km (0.098 R)
• M23: 24,543,176 km (0.061 R)
• M24: 24,959,956 km (0.106 R)
• M25: 26,674,647 km (0.114 R)
• M26: 29,274,807 km (0.051 R)
• M27: 31,058,762 km (0.097 R)
• M28: 31,424,080 km (0.109 R)
• M29: 34,972,841 km (0.116 R)
• M30: 35,236,133 km (0.042 R)
• M31: 47,045,538 km (0.099 R)
• M32: 48,828,446 km (0.058 R)
• M33: 49,157,412 km (0.104 R)
• M34: 59,915,294 km (0.118 R)
• M35: 63,953,688 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 17,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit