🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.41 AU - 0.61 AU

Year: 166 Days

Day: 25.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 13 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.7 AU - 0.78 AU

Year: 291 Days

Day: 17.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,820,026 km

• M1: 163,211 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.5 AU - 1.58 AU

Year: 873 Days

Day: 40.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 10.8

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.22 AU - 2.28 AU

Year: 1541 Days

Day: 11.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,820,026 km

• M1: 134,488 km (0.061 R)
• M2: 499,058 km (0.106 R)
• M3: 869,313 km (0.103 R)
• M4: 1,294,470 km (0.05 R)
• M5: 1,703,471 km (0.081 R)
• M6: 2,607,940 km (0.031 R)
• M7: 3,175,664 km (0.075 R)
• M8: 3,531,258 km (0.115 R)
• M9: 3,985,886 km (0.083 R)
• M10: 4,619,133 km (0.077 R)
• M11: 4,970,838 km (0.095 R)
• M12: 6,742,675 km (0.104 R)
• M13: 7,843,566 km (0.072 R)
• M14: 8,744,893 km (0.036 R)
• M15: 9,814,668 km (0.113 R)
• M16: 10,398,698 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 14.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.79 AU - 2.91 AU

Year: 1645 Days

Day: 12.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,820,026 km

• M1: 184,454 km (0.099 R)
• M2: 658,679 km (0.075 R)
• M3: 1,295,966 km (0.12 R)
• M4: 2,414,958 km (0.116 R)
• M5: 3,121,509 km (0.084 R)
• M6: 3,582,869 km (0.112 R)
• M7: 4,994,325 km (0.12 R)
• M8: 5,539,759 km (0.117 R)
• M9: 6,320,510 km (0.112 R)
• M10: 7,337,028 km (0.103 R)
• M11: 7,957,111 km (0.102 R)
• M12: 8,827,770 km (0.082 R)
• M13: 10,794,982 km (0.107 R)
• M14: 11,673,720 km (0.109 R)
• M15: 14,424,077 km (0.11 R)
• M16: 15,084,552 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.9

Radius: 9.4

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.37 AU - 4.95 AU

Year: 3874 Days

Day: 9.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,820,026 km

• M1: 116,986 km (0.07 R)
• M2: 521,199 km (0.089 R)
• M3: 961,166 km (0.099 R)
• M4: 1,272,779 km (0.11 R)
• M5: 1,605,933 km (0.049 R)
• M6: 2,548,101 km (0.074 R)
• M7: 2,903,844 km (0.055 R)
• M8: 3,370,590 km (0.107 R)
• M9: 4,290,168 km (0.094 R)
• M10: 4,672,241 km (0.084 R)
• M11: 5,234,729 km (0.058 R)
• M12: 5,841,647 km (0.06 R)
• M13: 6,281,764 km (0.104 R)
• M14: 7,097,222 km (0.119 R)
• M15: 8,123,912 km (0.117 R)
• M16: 8,785,733 km (0.072 R)
• M17: 9,642,929 km (0.068 R)
• M18: 10,091,872 km (0.057 R)
• M19: 10,943,982 km (0.11 R)
• M20: 11,342,810 km (0.071 R)
• M21: 11,797,288 km (0.106 R)
• M22: 14,306,493 km (0.104 R)
• M23: 15,326,003 km (0.038 R)
• M24: 15,769,560 km (0.088 R)
• M25: 16,798,794 km (0.098 R)
• M26: 19,181,439 km (0.079 R)
• M27: 21,229,434 km (0.095 R)
• M28: 26,382,482 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 10.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.61 AU - 4.97 AU

Year: 4786 Days

Day: 8.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 152.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,820,026 km

• M1: 128,355 km (0.082 R)
• M2: 661,073 km (0.096 R)
• M3: 1,032,076 km (0.078 R)
• M4: 1,581,549 km (0.103 R)
• M5: 2,023,461 km (0.087 R)
• M6: 2,949,621 km (0.107 R)
• M7: 3,625,205 km (0.11 R)
• M8: 4,458,765 km (0.118 R)
• M9: 4,962,760 km (0.045 R)
• M10: 6,303,905 km (0.057 R)
• M11: 7,205,830 km (0.089 R)
• M12: 8,074,695 km (0.094 R)
• M13: 8,519,449 km (0.117 R)
• M14: 13,453,935 km (0.099 R)
• M15: 13,953,143 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.3

Radius: 6.7

Gravity: 18.5 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 10.3 AU - 13.54 AU

Year: 18789 Days

Day: 16.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,820,026 km

• M1: 83,326 km (0.053 R)
• M2: 367,263 km (0.103 R)
• M3: 686,804 km (0.097 R)
• M4: 1,131,259 km (0.065 R)
• M5: 1,402,929 km (0.115 R)
• M6: 1,998,927 km (0.066 R)
• M7: 3,561,177 km (0.04 R)
• M8: 4,450,686 km (0.107 R)
• M9: 4,765,889 km (0.09 R)
• M10: 5,480,368 km (0.115 R)
• M11: 5,801,705 km (0.084 R)
• M12: 6,979,788 km (0.112 R)
• M13: 8,257,653 km (0.099 R)
• M14: 9,454,735 km (0.104 R)
• M15: 10,395,107 km (0.104 R)
• M16: 17,127,610 km (0.094 R)
• M17: 17,728,096 km (0.081 R)
• M18: 18,971,104 km (0.067 R)
• M19: 21,040,043 km (0.082 R)
• M20: 23,047,347 km (0.112 R)
• M21: 25,731,731 km (0.075 R)
• M22: 27,091,277 km (0.12 R)
• M23: 27,671,717 km (0.03 R)
• M24: 32,486,524 km (0.11 R)
• M25: 34,207,797 km (0.111 R)
• M26: 35,849,933 km (0.075 R)
• M27: 47,152,501 km (0.073 R)
• M28: 47,487,151 km (0.073 R)
• M29: 51,804,546 km (0.08 R)
• M30: 53,420,801 km (0.109 R)
• M31: 60,418,840 km (0.09 R)
• M32: 66,943,551 km (0.056 R)
• M33: 71,691,788 km (0.079 R)
• M34: 71,912,893 km (0.114 R)
• M35: 72,356,301 km (0.034 R)
• M36: 77,820,064 km (0.1 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 17,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit