🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.1

Radius: 9.5

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.56 AU - 0.68 AU

Year: 337 Days

Day: 10.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,683,801 km

• M1: 118,182 km (0.101 R)
• M2: 416,331 km (0.099 R)
• M3: 794,514 km (0.041 R)
• M4: 1,265,748 km (0.034 R)
• M5: 1,626,129 km (0.078 R)
• M6: 2,118,904 km (0.119 R)
• M7: 2,531,046 km (0.11 R)
• M8: 3,110,738 km (0.088 R)
• M9: 3,788,566 km (0.036 R)
• M10: 4,855,947 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.9

Radius: 10.3

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.22 AU - 1.32 AU

Year: 988 Days

Day: 8.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,683,801 km

• M1: 128,205 km (0.067 R)
• M2: 508,782 km (0.108 R)
• M3: 1,522,906 km (0.105 R)
• M4: 1,857,706 km (0.07 R)
• M5: 3,057,780 km (0.099 R)
• M6: 3,513,156 km (0.077 R)
• M7: 4,800,596 km (0.039 R)
• M8: 5,286,639 km (0.07 R)
• M9: 6,944,782 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 14.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.61 AU - 1.71 AU

Year: 1476 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,683,801 km

• M1: 181,013 km (0.079 R)
• M2: 867,368 km (0.088 R)
• M3: 1,484,460 km (0.086 R)
• M4: 1,989,352 km (0.077 R)
• M5: 2,438,445 km (0.104 R)
• M6: 2,933,614 km (0.086 R)
• M7: 4,173,781 km (0.105 R)
• M8: 4,667,902 km (0.09 R)
• M9: 5,456,882 km (0.107 R)
• M10: 5,902,085 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.3

Radius: 11.4

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.33 AU - 1.99 AU

Year: 1476 Days

Day: 6.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,683,801 km

• M1: 141,819 km (0.097 R)
• M2: 932,743 km (0.077 R)
• M3: 1,346,082 km (0.047 R)
• M4: 1,748,650 km (0.075 R)
• M5: 2,232,299 km (0.081 R)
• M6: 2,776,387 km (0.11 R)
• M7: 3,343,363 km (0.101 R)
• M8: 3,792,156 km (0.101 R)
• M9: 4,811,965 km (0.065 R)
• M10: 5,981,970 km (0.105 R)
• M11: 7,920,758 km (0.113 R)
• M12: 9,545,691 km (0.107 R)
• M13: 9,908,914 km (0.062 R)
• M14: 10,523,462 km (0.091 R)
• M15: 11,345,652 km (0.097 R)
• M16: 11,716,206 km (0.036 R)
• M17: 12,287,221 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 14.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.55 AU - 1.77 AU

Year: 1476 Days

Day: 5.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,683,801 km

• M1: 184,005 km (0.075 R)
• M2: 670,946 km (0.082 R)
• M3: 1,393,504 km (0.063 R)
• M4: 2,661,496 km (0.118 R)
• M5: 3,255,250 km (0.118 R)
• M6: 4,864,324 km (0.105 R)
• M7: 5,845,537 km (0.068 R)
• M8: 8,848,265 km (0.09 R)
• M9: 11,963,043 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.3

Radius: 12.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.09 AU - 2.95 AU

Year: 2761 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,683,801 km

• M1: 158,873 km (0.108 R)
• M2: 578,645 km (0.048 R)
• M3: 1,136,495 km (0.118 R)
• M4: 1,713,644 km (0.068 R)
• M5: 2,454,003 km (0.106 R)
• M6: 2,946,629 km (0.1 R)
• M7: 3,559,382 km (0.116 R)
• M8: 3,974,666 km (0.12 R)
• M9: 5,469,149 km (0.073 R)
• M10: 6,103,743 km (0.101 R)
• M11: 7,704,590 km (0.05 R)
• M12: 8,274,408 km (0.086 R)
• M13: 8,906,160 km (0.088 R)
• M14: 9,969,053 km (0.118 R)
• M15: 10,956,997 km (0.042 R)
• M16: 11,925,942 km (0.109 R)
• M17: 12,346,163 km (0.119 R)
• M18: 12,863,622 km (0.056 R)
• M19: 13,895,697 km (0.034 R)
• M20: 15,621,010 km (0.116 R)
• M21: 17,217,668 km (0.073 R)
• M22: 17,646,714 km (0.101 R)
• M23: 18,303,898 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.7

Radius: 9.5

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.84 AU - 3.24 AU

Year: 3659 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 20,683,801 km

• M1: 118,182 km (0.113 R)
• M2: 488,138 km (0.102 R)
• M3: 986,897 km (0.094 R)
• M4: 1,377,348 km (0.096 R)
• M5: 1,730,249 km (0.103 R)
• M6: 2,290,942 km (0.116 R)
• M7: 3,059,576 km (0.09 R)
• M8: 3,403,800 km (0.089 R)
• M9: 4,080,132 km (0.12 R)
• M10: 4,426,900 km (0.095 R)
• M11: 7,366,947 km (0.118 R)
• M12: 7,988,975 km (0.111 R)
• M13: 8,682,960 km (0.091 R)
• M14: 9,298,256 km (0.103 R)
• M15: 10,615,615 km (0.09 R)
• M16: 11,682,397 km (0.1 R)
• M17: 12,624,714 km (0.094 R)
• M18: 13,464,856 km (0.098 R)
• M19: 14,027,942 km (0.058 R)
• M20: 16,151,933 km (0.106 R)
• M21: 16,670,888 km (0.108 R)
• M22: 17,560,696 km (0.092 R)
• M23: 18,419,387 km (0.088 R)
• M24: 21,925,064 km (0.11 R)
• M25: 22,561,453 km (0.12 R)
• M26: 24,924,651 km (0.065 R)
• M27: 25,618,037 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 10.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.43 AU - 5.03 AU

Year: 6005 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,683,801 km

• M1: 135,835 km (0.061 R)
• M2: 683,064 km (0.099 R)
• M3: 3,007,964 km (0.058 R)
• M4: 3,415,020 km (0.118 R)
• M5: 4,060,385 km (0.047 R)
• M6: 5,071,817 km (0.069 R)
• M7: 6,811,041 km (0.098 R)
• M8: 9,637,843 km (0.111 R)
• M9: 11,891,984 km (0.116 R)
• M10: 13,995,629 km (0.052 R)
• M11: 16,572,003 km (0.098 R)
• M12: 17,110,705 km (0.03 R)
• M13: 20,591,848 km (0.05 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.1

Radius: 13.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.86 AU - 5.08 AU

Year: 7648 Days

Day: 9.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,683,801 km

• M1: 167,998 km (0.106 R)
• M2: 716,275 km (0.105 R)
• M3: 2,732,405 km (0.075 R)
• M4: 5,420,978 km (0.026 R)
• M5: 6,505,563 km (0.093 R)
• M6: 8,280,841 km (0.057 R)
• M7: 9,103,030 km (0.031 R)
• M8: 10,790,644 km (0.092 R)
• M9: 17,813,366 km (0.109 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 14,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit