🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.14 AU - 3.54 AU

Year: 1833 Days

Day: 13.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.08 AU - 5.02 AU

Year: 3121 Days

Day: 43.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,940,885 km

• M1: 40,242 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 10.3

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.94 AU - 6.82 AU

Year: 6170 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,940,885 km

• M1: 129,552 km (0.114 R)
• M2: 465,549 km (0.109 R)
• M3: 1,159,383 km (0.053 R)
• M4: 1,596,508 km (0.069 R)
• M5: 2,081,056 km (0.115 R)
• M6: 2,555,132 km (0.114 R)
• M7: 3,222,488 km (0.119 R)
• M8: 3,608,899 km (0.099 R)
• M9: 4,050,213 km (0.069 R)
• M10: 5,445,512 km (0.098 R)
• M11: 7,353,483 km (0.06 R)
• M12: 8,741,004 km (0.107 R)
• M13: 9,071,615 km (0.106 R)
• M14: 10,341,252 km (0.11 R)
• M15: 11,875,677 km (0.099 R)
• M16: 12,802,735 km (0.081 R)
• M17: 13,229,837 km (0.082 R)
• M18: 14,112,914 km (0.11 R)
• M19: 18,174,496 km (0.094 R)
• M20: 21,576,650 km (0.11 R)
• M21: 22,566,390 km (0.095 R)
• M22: 23,111,824 km (0.04 R)
• M23: 25,971,387 km (0.103 R)
• M24: 26,312,620 km (0.108 R)
• M25: 26,656,695 km (0.049 R)
• M26: 27,707,321 km (0.098 R)
• M27: 28,422,847 km (0.052 R)
• M28: 31,990,906 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.5

Radius: 8.1

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.27 AU - 7.99 AU

Year: 8070 Days

Day: 12.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,940,885 km

• M1: 101,128 km (0.085 R)
• M2: 370,853 km (0.09 R)
• M3: 650,751 km (0.062 R)
• M4: 997,967 km (0.076 R)
• M5: 1,404,425 km (0.11 R)
• M6: 1,887,327 km (0.081 R)
• M7: 2,296,926 km (0.115 R)
• M8: 3,317,183 km (0.105 R)
• M9: 3,966,737 km (0.056 R)
• M10: 4,227,935 km (0.104 R)
• M11: 5,977,183 km (0.058 R)
• M12: 7,711,621 km (0.097 R)
• M13: 8,037,146 km (0.097 R)
• M14: 8,847,368 km (0.07 R)
• M15: 9,524,448 km (0.083 R)
• M16: 10,629,228 km (0.098 R)
• M17: 11,394,421 km (0.1 R)
• M18: 15,457,050 km (0.103 R)
• M19: 18,669,665 km (0.052 R)
• M20: 21,095,394 km (0.073 R)
• M21: 21,975,628 km (0.057 R)
• M22: 23,130,972 km (0.083 R)
• M23: 24,675,421 km (0.093 R)
• M24: 30,018,458 km (0.106 R)
• M25: 30,927,116 km (0.067 R)
• M26: 32,587,353 km (0.109 R)
• M27: 33,547,023 km (0.116 R)
• M28: 34,745,302 km (0.104 R)
• M29: 38,275,513 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.4

Radius: 13.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.41 AU - 8.43 AU

Year: 9355 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,940,885 km

• M1: 194,926 km (0.108 R)
• M2: 1,921,435 km (0.058 R)
• M3: 3,644,204 km (0.077 R)
• M4: 7,046,658 km (0.12 R)
• M5: 9,190,246 km (0.076 R)
• M6: 11,017,285 km (0.045 R)
• M7: 12,781,044 km (0.071 R)
• M8: 13,628,366 km (0.114 R)
• M9: 15,995,453 km (0.095 R)
• M10: 22,515,676 km (0.042 R)
• M11: 23,899,905 km (0.111 R)
• M12: 25,185,849 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.1

Radius: 10.6

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.65 AU - 10.53 AU

Year: 11371 Days

Day: 13.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,940,885 km

• M1: 131,796 km (0.113 R)
• M2: 466,895 km (0.096 R)
• M3: 1,616,704 km (0.084 R)
• M4: 2,745,869 km (0.049 R)
• M5: 3,115,525 km (0.118 R)
• M6: 3,956,116 km (0.073 R)
• M7: 6,393,813 km (0.096 R)
• M8: 7,836,984 km (0.084 R)
• M9: 8,586,768 km (0.096 R)
• M10: 10,614,418 km (0.111 R)
• M11: 11,414,467 km (0.094 R)
• M12: 12,071,052 km (0.095 R)
• M13: 13,329,021 km (0.065 R)
• M14: 16,401,163 km (0.059 R)
• M15: 20,868,005 km (0.117 R)
• M16: 24,979,404 km (0.097 R)
• M17: 29,490,228 km (0.063 R)
• M18: 30,954,043 km (0.05 R)
• M19: 35,888,230 km (0.059 R)
• M20: 40,221,781 km (0.114 R)
• M21: 49,754,457 km (0.117 R)
• M22: 53,954,866 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.8

Radius: 6.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 11.35 AU - 16.37 AU

Year: 19757 Days

Day: 17.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,940,885 km

• M1: 122,670 km (0.072 R)
• M2: 417,228 km (0.111 R)
• M3: 653,593 km (0.116 R)
• M4: 882,777 km (0.091 R)
• M5: 2,002,367 km (0.09 R)
• M6: 2,419,147 km (0.064 R)
• M7: 2,720,886 km (0.099 R)
• M8: 3,912,732 km (0.105 R)
• M9: 5,621,738 km (0.098 R)
• M10: 5,900,888 km (0.099 R)
• M11: 6,951,963 km (0.067 R)
• M12: 8,662,465 km (0.117 R)
• M13: 11,670,279 km (0.097 R)
• M14: 16,202,497 km (0.115 R)
• M15: 16,768,874 km (0.115 R)
• M16: 18,624,187 km (0.104 R)
• M17: 20,859,777 km (0.114 R)
• M18: 32,366,846 km (0.026 R)
• M19: 32,589,747 km (0.074 R)
• M20: 32,926,043 km (0.12 R)
• M21: 34,642,229 km (0.086 R)
• M22: 36,537,784 km (0.061 R)
• M23: 42,905,268 km (0.118 R)
• M24: 47,777,670 km (0.081 R)
• M25: 48,502,472 km (0.092 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: 319 - 17,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit