🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.1

Radius: 9.4

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.27 AU - 1.57 AU

Year: 1128 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,839,229 km

• M1: 116,836 km (0.11 R)
• M2: 519,553 km (0.111 R)
• M3: 820,544 km (0.064 R)
• M4: 1,570,478 km (0.115 R)
• M5: 2,222,576 km (0.114 R)
• M6: 3,123,304 km (0.108 R)
• M7: 3,448,979 km (0.068 R)
• M8: 3,934,125 km (0.103 R)
• M9: 4,720,411 km (0.111 R)
• M10: 5,627,573 km (0.043 R)
• M11: 6,009,197 km (0.1 R)
• M12: 7,073,586 km (0.113 R)
• M13: 7,399,559 km (0.076 R)
• M14: 7,858,077 km (0.065 R)
• M15: 8,542,338 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.2

Radius: 13.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.56 AU - 1.82 AU

Year: 1465 Days

Day: 13.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,839,229 km

• M1: 167,250 km (0.084 R)
• M2: 670,797 km (0.113 R)
• M3: 1,118,094 km (0.096 R)
• M4: 1,543,252 km (0.1 R)
• M5: 2,037,822 km (0.095 R)
• M6: 2,552,738 km (0.062 R)
• M7: 3,112,384 km (0.11 R)
• M8: 3,581,373 km (0.037 R)
• M9: 4,131,444 km (0.063 R)
• M10: 5,301,150 km (0.069 R)
• M11: 6,355,366 km (0.073 R)
• M12: 7,963,693 km (0.073 R)
• M13: 8,934,882 km (0.102 R)
• M14: 10,329,733 km (0.049 R)
• M15: 11,622,109 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.5

Radius: 8.6

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.59 AU - 2.35 AU

Year: 1844 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,839,229 km

• M1: 107,112 km (0.082 R)
• M2: 384,018 km (0.082 R)
• M3: 837,299 km (0.117 R)
• M4: 1,526,048 km (0.098 R)
• M5: 1,845,290 km (0.08 R)
• M6: 4,326,221 km (0.054 R)
• M7: 6,048,691 km (0.078 R)
• M8: 6,694,954 km (0.116 R)
• M9: 6,966,025 km (0.073 R)
• M10: 7,883,209 km (0.041 R)
• M11: 9,542,100 km (0.076 R)
• M12: 11,005,018 km (0.071 R)
• M13: 12,246,381 km (0.093 R)
• M14: 12,693,978 km (0.051 R)
• M15: 13,578,700 km (0.076 R)
• M16: 15,612,183 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.9

Radius: 14.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.38 AU - 3.66 AU

Year: 3500 Days

Day: 13.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,839,229 km

• M1: 184,005 km (0.109 R)
• M2: 707,448 km (0.065 R)
• M3: 1,468,752 km (0.113 R)
• M4: 2,107,385 km (0.116 R)
• M5: 3,302,822 km (0.087 R)
• M6: 3,831,351 km (0.086 R)
• M7: 7,445,486 km (0.093 R)
• M8: 9,505,748 km (0.104 R)
• M9: 12,332,100 km (0.111 R)
• M10: 12,892,045 km (0.111 R)
• M11: 19,029,896 km (0.076 R)
• M12: 20,676,969 km (0.097 R)
• M13: 21,669,551 km (0.073 R)
• M14: 22,624,284 km (0.117 R)
• M15: 23,112,123 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.3

Radius: 7.9

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.63 AU - 6.91 AU

Year: 9243 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,839,229 km

• M1: 98,286 km (0.075 R)
• M2: 392,246 km (0.117 R)
• M3: 850,613 km (0.09 R)
• M4: 1,400,685 km (0.108 R)
• M5: 1,851,274 km (0.114 R)
• M6: 2,794,339 km (0.116 R)
• M7: 4,156,427 km (0.106 R)
• M8: 5,027,386 km (0.093 R)
• M9: 5,947,413 km (0.052 R)
• M10: 6,790,098 km (0.105 R)
• M11: 8,581,383 km (0.091 R)
• M12: 8,974,077 km (0.082 R)
• M13: 9,333,262 km (0.113 R)
• M14: 11,275,192 km (0.108 R)
• M15: 11,853,238 km (0.116 R)
• M16: 12,617,234 km (0.113 R)
• M17: 14,486,310 km (0.103 R)
• M18: 15,043,562 km (0.116 R)
• M19: 15,615,175 km (0.097 R)
• M20: 15,873,680 km (0.076 R)
• M21: 17,210,038 km (0.106 R)
• M22: 18,188,857 km (0.112 R)
• M23: 20,028,462 km (0.078 R)
• M24: 22,559,808 km (0.105 R)
• M25: 25,297,000 km (0.06 R)
• M26: 31,420,490 km (0.044 R)
• M27: 33,305,572 km (0.078 R)
• M28: 34,384,771 km (0.085 R)
• M29: 38,111,853 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.6

Radius: 4.4

Gravity: 40.99 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.09 AU - 6.79 AU

Year: 10898 Days

Day: 21.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,839,229 km

• M1: 54,753 km (0.103 R)
• M2: 728,392 km (0.112 R)
• M3: 1,001,707 km (0.06 R)
• M4: 1,186,760 km (0.099 R)
• M5: 2,021,366 km (0.086 R)
• M6: 2,299,319 km (0.109 R)
• M7: 2,457,743 km (0.063 R)
• M8: 3,093,983 km (0.073 R)
• M9: 4,972,932 km (0.117 R)
• M10: 5,871,417 km (0.052 R)
• M11: 6,093,271 km (0.119 R)
• M12: 7,161,250 km (0.03 R)
• M13: 8,819,393 km (0.032 R)
• M14: 9,159,578 km (0.112 R)
• M15: 11,616,424 km (0.109 R)
• M16: 23,712,310 km (0.078 R)
• M17: 24,654,776 km (0.062 R)
• M18: 25,038,644 km (0.099 R)
• M19: 32,188,824 km (0.042 R)
• M20: 43,449,505 km (0.115 R)
• M21: 45,862,369 km (0.115 R)
• M22: 48,964,430 km (0.05 R)
• M23: 51,889,069 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.8

Radius: 5.7

Gravity: 30.4 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.27 AU - 10.11 AU

Year: 18578 Days

Day: 25 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,839,229 km

• M1: 70,909 km (0.098 R)
• M2: 622,926 km (0.106 R)
• M3: 850,015 km (0.112 R)
• M4: 1,078,750 km (0.081 R)
• M5: 1,273,377 km (0.041 R)
• M6: 2,213,001 km (0.082 R)
• M7: 2,413,762 km (0.054 R)
• M8: 4,212,676 km (0.1 R)
• M9: 6,392,317 km (0.082 R)
• M10: 6,709,016 km (0.05 R)
• M11: 7,179,651 km (0.1 R)
• M12: 7,373,978 km (0.039 R)
• M13: 11,370,336 km (0.081 R)
• M14: 12,038,739 km (0.109 R)
• M15: 14,507,852 km (0.117 R)
• M16: 16,024,924 km (0.06 R)
• M17: 16,273,705 km (0.047 R)
• M18: 19,090,932 km (0.058 R)
• M19: 19,558,575 km (0.063 R)
• M20: 21,007,431 km (0.101 R)
• M21: 25,442,708 km (0.093 R)
• M22: 26,932,553 km (0.111 R)
• M23: 29,213,173 km (0.039 R)
• M24: 30,337,102 km (0.114 R)
• M25: 33,474,768 km (0.108 R)
• M26: 33,881,524 km (0.077 R)
• M27: 41,001,336 km (0.085 R)
• M28: 41,779,544 km (0.057 R)
• M29: 47,504,205 km (0.117 R)
• M30: 62,710,380 km (0.114 R)
• M31: 64,367,775 km (0.082 R)
• M32: 76,092,059 km (0.204 R)
• M33: 79,170,484 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 14,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit