🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 12

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.8 AU - 1.16 AU

Year: 670 Days

Day: 10.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,290,972 km

• M1: 149,299 km (0.101 R)
• M2: 546,780 km (0.049 R)
• M3: 929,152 km (0.077 R)
• M4: 1,327,382 km (0.091 R)
• M5: 1,962,275 km (0.078 R)
• M6: 2,469,562 km (0.118 R)
• M7: 3,131,532 km (0.12 R)
• M8: 3,751,316 km (0.11 R)
• M9: 4,167,198 km (0.119 R)
• M10: 4,583,978 km (0.075 R)
• M11: 5,352,013 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348

Radius: 12.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.68 AU - 2 AU

Year: 1723 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,290,972 km

• M1: 154,235 km (0.044 R)
• M2: 570,417 km (0.118 R)
• M3: 1,026,391 km (0.06 R)
• M4: 1,659,489 km (0.112 R)
• M5: 2,088,237 km (0.096 R)
• M6: 2,653,567 km (0.044 R)
• M7: 3,161,003 km (0.1 R)
• M8: 3,764,780 km (0.067 R)
• M9: 4,163,159 km (0.087 R)
• M10: 4,663,714 km (0.102 R)
• M11: 5,184,165 km (0.112 R)
• M12: 5,615,754 km (0.087 R)
• M13: 6,909,776 km (0.095 R)
• M14: 7,331,941 km (0.087 R)
• M15: 8,393,637 km (0.069 R)
• M16: 9,049,175 km (0.065 R)
• M17: 9,585,633 km (0.11 R)
• M18: 11,255,893 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.2

Radius: 9.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.08 AU - 2.22 AU

Year: 2176 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,290,972 km

• M1: 115,639 km (0.117 R)
• M2: 578,645 km (0.116 R)
• M3: 1,176,737 km (0.084 R)
• M4: 2,787,158 km (0.114 R)
• M5: 4,130,696 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.3

Radius: 14

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.1 AU - 3.22 AU

Year: 2995 Days

Day: 11.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,290,972 km

• M1: 174,581 km (0.071 R)
• M2: 712,385 km (0.081 R)
• M3: 1,526,197 km (0.095 R)
• M4: 2,252,046 km (0.089 R)
• M5: 3,669,187 km (0.105 R)
• M6: 4,541,043 km (0.064 R)
• M7: 5,026,488 km (0.114 R)
• M8: 5,593,764 km (0.083 R)
• M9: 6,616,863 km (0.064 R)
• M10: 9,464,908 km (0.097 R)
• M11: 11,103,154 km (0.074 R)
• M12: 11,832,294 km (0.11 R)
• M13: 15,445,831 km (0.11 R)
• M14: 16,600,277 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.3

Radius: 10.1

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.12 AU - 4.72 AU

Year: 5357 Days

Day: 10.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,290,972 km

• M1: 126,859 km (0.078 R)
• M2: 443,408 km (0.04 R)
• M3: 764,296 km (0.082 R)
• M4: 1,947,016 km (0.102 R)
• M5: 2,639,654 km (0.103 R)
• M6: 3,894,033 km (0.067 R)
• M7: 5,912,706 km (0.119 R)
• M8: 6,387,679 km (0.08 R)
• M9: 6,888,084 km (0.116 R)
• M10: 11,005,766 km (0.111 R)
• M11: 14,562,306 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180

Radius: 5.4

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.22 AU - 6.12 AU

Year: 9319 Days

Day: 20.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,290,972 km

• M1: 79,436 km (0.119 R)
• M2: 297,401 km (0.095 R)
• M3: 466,147 km (0.07 R)
• M4: 3,401,257 km (0.051 R)
• M5: 3,611,741 km (0.108 R)
• M6: 4,929,399 km (0.063 R)
• M7: 9,135,344 km (0.075 R)
• M8: 11,909,786 km (0.103 R)
• M9: 14,421,534 km (0.07 R)
• M10: 15,541,124 km (0.091 R)
• M11: 22,602,443 km (0.099 R)
• M12: 23,197,394 km (0.044 R)
• M13: 27,154,557 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.2

Radius: 4.3

Gravity: 31.33 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.99 AU - 6.77 AU

Year: 9842 Days

Day: 19.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 40,290,972 km

• M1: 53,556 km (0.037 R)
• M2: 277,504 km (0.094 R)
• M3: 411,843 km (0.114 R)
• M4: 642,224 km (0.036 R)
• M5: 787,483 km (0.1 R)
• M6: 964,906 km (0.069 R)
• M7: 1,535,024 km (0.106 R)
• M8: 2,023,760 km (0.029 R)
• M9: 2,415,557 km (0.074 R)
• M10: 2,963,534 km (0.107 R)
• M11: 4,704,105 km (0.11 R)
• M12: 5,069,423 km (0.112 R)
• M13: 5,856,607 km (0.062 R)
• M14: 6,646,933 km (0.069 R)
• M15: 7,546,614 km (0.115 R)
• M16: 8,348,908 km (0.048 R)
• M17: 8,658,276 km (0.062 R)
• M18: 11,685,987 km (0.043 R)
• M19: 12,129,096 km (0.104 R)
• M20: 12,583,275 km (0.105 R)
• M21: 14,896,806 km (0.115 R)
• M22: 15,615,923 km (0.113 R)
• M23: 15,950,424 km (0.073 R)
• M24: 16,702,901 km (0.11 R)
• M25: 18,649,918 km (0.1 R)
• M26: 18,799,815 km (0.074 R)
• M27: 19,026,306 km (0.104 R)
• M28: 21,392,047 km (0.098 R)
• M29: 22,730,648 km (0.029 R)
• M30: 23,333,378 km (0.068 R)
• M31: 33,365,262 km (0.107 R)
• M32: 34,480,514 km (0.11 R)
• M33: 35,390,368 km (0.093 R)
• M34: 36,083,306 km (0.112 R)
• M35: 40,056,326 km (0.084 R)
• M36: 41,698,462 km (0.088 R)
• M37: 41,955,022 km (0.116 R)

Asteroid Belt

Center: 6.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.6

Radius: 7.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.36 AU - 7.94 AU

Year: 13197 Days

Day: 20.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,290,972 km

• M1: 92,003 km (0.059 R)
• M2: 394,639 km (0.099 R)
• M3: 735,274 km (0.079 R)
• M4: 2,703,533 km (0.085 R)
• M5: 3,516,298 km (0.099 R)
• M6: 5,809,783 km (0.103 R)
• M7: 7,113,828 km (0.096 R)
• M8: 7,694,417 km (0.117 R)
• M9: 8,559,691 km (0.038 R)
• M10: 9,351,662 km (0.103 R)
• M11: 11,336,676 km (0.067 R)
• M12: 12,290,961 km (0.095 R)
• M13: 16,315,593 km (0.082 R)
• M14: 16,848,311 km (0.101 R)
• M15: 17,668,855 km (0.118 R)
• M16: 17,948,154 km (0.075 R)
• M17: 22,256,423 km (0.08 R)
• M18: 24,518,792 km (0.104 R)
• M19: 25,129,301 km (0.062 R)
• M20: 32,010,952 km (0.063 R)
• M21: 36,328,497 km (0.056 R)
• M22: 39,571,778 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 12,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit