🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.5

Radius: 8.2

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.86 AU - 1 AU

Year: 598 Days

Day: 14.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,256,414 km

• M1: 108,758 km (0.103 R)
• M2: 367,712 km (0.058 R)
• M3: 685,158 km (0.099 R)
• M4: 1,529,937 km (0.102 R)
• M5: 1,848,132 km (0.098 R)
• M6: 2,228,410 km (0.11 R)
• M7: 2,837,423 km (0.08 R)
• M8: 3,939,810 km (0.089 R)
• M9: 4,354,495 km (0.11 R)
• M10: 4,906,062 km (0.094 R)
• M11: 5,223,060 km (0.098 R)
• M12: 5,775,974 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.9

Radius: 13.6

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.91 AU - 1.05 AU

Year: 647 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,256,414 km

• M1: 170,093 km (0.12 R)
• M2: 741,706 km (0.074 R)
• M3: 1,511,238 km (0.106 R)
• M4: 4,285,530 km (0.053 R)
• M5: 4,896,338 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.1

Radius: 13.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.83 AU - 1.33 AU

Year: 748 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,256,414 km

• M1: 162,912 km (0.102 R)
• M2: 615,894 km (0.096 R)
• M3: 1,026,690 km (0.077 R)
• M4: 1,455,288 km (0.087 R)
• M5: 2,294,383 km (0.099 R)
• M6: 2,748,262 km (0.117 R)
• M7: 3,827,013 km (0.104 R)
• M8: 4,547,326 km (0.1 R)
• M9: 5,670,358 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 12.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.07 AU - 1.23 AU

Year: 822 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,256,414 km

• M1: 150,495 km (0.057 R)
• M2: 527,033 km (0.106 R)
• M3: 1,138,739 km (0.112 R)
• M4: 1,564,794 km (0.069 R)
• M5: 2,254,739 km (0.096 R)
• M6: 3,079,921 km (0.086 R)
• M7: 4,271,468 km (0.041 R)
• M8: 4,939,871 km (0.114 R)
• M9: 5,342,439 km (0.054 R)
• M10: 7,115,473 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 11.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.16 AU - 1.22 AU

Year: 866 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,256,414 km

• M1: 140,772 km (0.084 R)
• M2: 569,968 km (0.11 R)
• M3: 938,278 km (0.095 R)
• M4: 1,653,056 km (0.104 R)
• M5: 2,043,058 km (0.114 R)
• M6: 2,425,131 km (0.072 R)
• M7: 2,978,942 km (0.057 R)
• M8: 3,761,638 km (0.073 R)
• M9: 4,506,636 km (0.108 R)
• M10: 5,751,440 km (0.114 R)
• M11: 6,922,941 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 10.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.01 AU - 2.53 AU

Year: 2281 Days

Day: 11.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,256,414 km

• M1: 136,134 km (0.06 R)
• M2: 481,556 km (0.112 R)
• M3: 830,119 km (0.114 R)
• M4: 1,258,268 km (0.117 R)
• M5: 2,267,754 km (0.115 R)
• M6: 2,783,418 km (0.056 R)
• M7: 4,970,090 km (0.116 R)
• M8: 6,112,569 km (0.115 R)
• M9: 6,649,177 km (0.091 R)
• M10: 7,631,137 km (0.099 R)
• M11: 8,198,412 km (0.092 R)
• M12: 9,417,485 km (0.119 R)
• M13: 11,467,425 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.3

Radius: 9.1

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.64 AU - 6.44 AU

Year: 8695 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,256,414 km

• M1: 113,694 km (0.091 R)
• M2: 956,379 km (0.046 R)
• M3: 1,589,777 km (0.081 R)
• M4: 2,461,035 km (0.1 R)
• M5: 3,079,771 km (0.11 R)
• M6: 4,422,113 km (0.059 R)
• M7: 5,368,619 km (0.071 R)
• M8: 5,701,175 km (0.063 R)
• M9: 7,092,435 km (0.044 R)
• M10: 7,616,776 km (0.119 R)
• M11: 7,994,660 km (0.088 R)
• M12: 8,429,242 km (0.074 R)
• M13: 9,584,736 km (0.109 R)
• M14: 10,025,601 km (0.073 R)
• M15: 10,895,213 km (0.116 R)
• M16: 12,150,788 km (0.094 R)
• M17: 12,436,071 km (0.087 R)
• M18: 13,622,083 km (0.083 R)
• M19: 14,496,034 km (0.113 R)
• M20: 15,741,286 km (0.07 R)
• M21: 17,127,610 km (0.094 R)
• M22: 18,219,525 km (0.114 R)
• M23: 18,593,519 km (0.088 R)
• M24: 21,110,354 km (0.065 R)
• M25: 23,053,929 km (0.111 R)
• M26: 25,298,496 km (0.093 R)
• M27: 25,764,344 km (0.093 R)
• M28: 26,713,093 km (0.094 R)
• M29: 28,379,165 km (0.12 R)
• M30: 31,272,687 km (0.119 R)
• M31: 33,567,668 km (0.05 R)
• M32: 37,638,525 km (0.077 R)
• M33: 42,549,225 km (0.085 R)
• M34: 43,873,914 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.7

Radius: 7.9

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.36 AU - 8.8 AU

Year: 15316 Days

Day: 16.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,256,414 km

• M1: 108,159 km (0.098 R)
• M2: 600,486 km (0.074 R)
• M3: 846,574 km (0.075 R)
• M4: 1,396,945 km (0.081 R)
• M5: 1,877,752 km (0.099 R)
• M6: 2,204,923 km (0.034 R)
• M7: 3,370,141 km (0.119 R)
• M8: 3,856,035 km (0.104 R)
• M9: 4,116,036 km (0.095 R)
• M10: 4,639,628 km (0.111 R)
• M11: 5,894,156 km (0.12 R)
• M12: 6,599,809 km (0.103 R)
• M13: 7,448,777 km (0.062 R)
• M14: 8,178,665 km (0.098 R)
• M15: 8,855,745 km (0.105 R)
• M16: 10,321,355 km (0.102 R)
• M17: 12,063,722 km (0.091 R)
• M18: 14,820,212 km (0.077 R)
• M19: 15,317,176 km (0.114 R)
• M20: 15,752,057 km (0.081 R)
• M21: 16,494,960 km (0.116 R)
• M22: 19,701,740 km (0.118 R)
• M23: 20,563,873 km (0.073 R)
• M24: 23,301,514 km (0.112 R)
• M25: 24,658,367 km (0.097 R)
• M26: 25,760,903 km (0.094 R)
• M27: 26,272,827 km (0.105 R)
• M28: 29,599,136 km (0.049 R)
• M29: 34,292,170 km (0.071 R)
• M30: 35,161,484 km (0.07 R)
• M31: 39,323,296 km (0.072 R)
• M32: 39,865,589 km (0.114 R)
• M33: 46,314,454 km (0.114 R)
• M34: 47,836,163 km (0.108 R)
• M35: 54,929,496 km (0.1 R)
• M36: 55,607,174 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 19,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit