🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.07 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.03 AU - 2.25 AU

Year: 1127 Days

Day: 20.9 Hours

Environment

Temp: -65 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,155,516 km

• M1: 469,139 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.86 AU - 2.94 AU

Year: 1338 Days

Day: 26.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,155,516 km

• M1: 80,035 km (0.044 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.79 AU - 4.65 AU

Year: 3120 Days

Day: 44.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,155,516 km

• M1: 32,762 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.4

Radius: 14.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.49 AU - 11.53 AU

Year: 11398 Days

Day: 8.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,155,516 km

• M1: 181,612 km (0.119 R)
• M2: 911,500 km (0.119 R)
• M3: 1,423,424 km (0.091 R)
• M4: 2,067,143 km (0.115 R)
• M5: 3,444,491 km (0.059 R)
• M6: 4,823,783 km (0.082 R)
• M7: 8,304,327 km (0.048 R)
• M8: 12,512,964 km (0.079 R)
• M9: 14,573,974 km (0.092 R)
• M10: 15,266,313 km (0.115 R)
• M11: 17,686,358 km (0.089 R)
• M12: 23,022,215 km (0.114 R)
• M13: 23,961,989 km (0.062 R)
• M14: 25,016,055 km (0.08 R)
• M15: 28,852,044 km (0.104 R)
• M16: 31,064,297 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.1

Radius: 10.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.97 AU - 11.23 AU

Year: 13309 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,155,516 km

• M1: 131,796 km (0.12 R)
• M2: 550,520 km (0.054 R)
• M3: 1,354,609 km (0.056 R)
• M4: 1,904,830 km (0.073 R)
• M5: 2,578,170 km (0.038 R)
• M6: 4,810,469 km (0.082 R)
• M7: 6,057,816 km (0.111 R)
• M8: 8,679,519 km (0.055 R)
• M9: 10,021,412 km (0.099 R)
• M10: 10,629,078 km (0.034 R)
• M11: 11,144,293 km (0.031 R)
• M12: 13,974,535 km (0.101 R)
• M13: 15,591,838 km (0.077 R)
• M14: 18,944,476 km (0.03 R)
• M15: 19,787,909 km (0.088 R)
• M16: 21,010,572 km (0.078 R)
• M17: 21,731,634 km (0.095 R)
• M18: 22,190,451 km (0.119 R)
• M19: 24,582,670 km (0.053 R)
• M20: 25,789,925 km (0.104 R)
• M21: 27,997,092 km (0.117 R)
• M22: 28,759,891 km (0.085 R)
• M23: 30,900,487 km (0.08 R)
• M24: 35,877,908 km (0.04 R)
• M25: 41,645,953 km (0.05 R)
• M26: 42,354,448 km (0.028 R)
• M27: 49,727,978 km (0.119 R)
• M28: 50,525,334 km (0.084 R)
• M29: 53,633,230 km (0.091 R)
• M30: 54,640,473 km (0.107 R)
• M31: 57,563,017 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.7

Radius: 14.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 9.28 AU - 14.36 AU

Year: 14625 Days

Day: 14.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,155,516 km

• M1: 181,612 km (0.105 R)
• M2: 970,890 km (0.104 R)
• M3: 2,004,013 km (0.12 R)
• M4: 4,231,675 km (0.104 R)
• M5: 5,076,305 km (0.119 R)
• M6: 6,908,579 km (0.086 R)
• M7: 13,881,635 km (0.091 R)
• M8: 16,981,602 km (0.083 R)
• M9: 17,769,085 km (0.091 R)
• M10: 23,014,884 km (0.118 R)
• M11: 32,582,865 km (0.068 R)
• M12: 35,045,545 km (0.112 R)
• M13: 35,971,107 km (0.042 R)
• M14: 38,234,673 km (0.087 R)
• M15: 40,972,463 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.2

Radius: 8

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 12.01 AU - 12.99 AU

Year: 15905 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,155,516 km

• M1: 99,483 km (0.085 R)
• M2: 580,589 km (0.103 R)
• M3: 896,690 km (0.087 R)
• M4: 1,271,731 km (0.108 R)
• M5: 1,783,655 km (0.062 R)
• M6: 2,278,525 km (0.097 R)
• M7: 2,766,065 km (0.1 R)
• M8: 3,060,324 km (0.11 R)
• M9: 3,429,980 km (0.058 R)
• M10: 4,291,065 km (0.074 R)
• M11: 4,858,939 km (0.06 R)
• M12: 6,103,144 km (0.104 R)
• M13: 6,518,877 km (0.081 R)
• M14: 6,953,459 km (0.102 R)
• M15: 7,500,388 km (0.05 R)
• M16: 9,422,422 km (0.04 R)
• M17: 10,674,107 km (0.082 R)
• M18: 13,573,164 km (0.094 R)
• M19: 14,282,109 km (0.117 R)
• M20: 15,015,587 km (0.092 R)
• M21: 18,372,414 km (0.114 R)
• M22: 24,400,011 km (0.062 R)
• M23: 25,130,049 km (0.033 R)
• M24: 30,413,397 km (0.066 R)
• M25: 32,870,093 km (0.117 R)
• M26: 37,482,494 km (0.096 R)
• M27: 39,158,290 km (0.09 R)
• M28: 41,322,373 km (0.03 R)
• M29: 41,764,584 km (0.117 R)
• M30: 45,887,352 km (0.091 R)
• M31: 62,930,289 km (0.118 R)
• M32: 64,895,706 km (0.096 R)
• M33: 66,699,258 km (0.11 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 13,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit