🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.8

Radius: 14.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 7.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,729,561 km

• M1: 185,352 km (0.07 R)
• M2: 766,539 km (0.118 R)
• M3: 1,328,429 km (0.114 R)
• M4: 1,863,541 km (0.06 R)
• M5: 2,444,429 km (0.104 R)
• M6: 3,305,664 km (0.089 R)
• M7: 3,887,301 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.5

Radius: 13.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.47 AU - 0.67 AU

Year: 287 Days

Day: 6.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,729,561 km

• M1: 171,589 km (0.087 R)
• M2: 661,372 km (0.1 R)
• M3: 1,259,913 km (0.087 R)
• M4: 1,702,424 km (0.077 R)
• M5: 2,310,090 km (0.108 R)
• M6: 2,997,343 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.3

Radius: 8.4

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.42 AU - 1.8 AU

Year: 1362 Days

Day: 10.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,729,561 km

• M1: 104,419 km (0.082 R)
• M2: 394,938 km (0.101 R)
• M3: 693,237 km (0.098 R)
• M4: 1,124,677 km (0.032 R)
• M5: 1,518,119 km (0.095 R)
• M6: 2,304,106 km (0.069 R)
• M7: 2,691,415 km (0.105 R)
• M8: 3,032,199 km (0.078 R)
• M9: 4,381,572 km (0.043 R)
• M10: 5,210,643 km (0.103 R)
• M11: 6,092,523 km (0.104 R)
• M12: 7,391,631 km (0.06 R)
• M13: 9,020,752 km (0.077 R)
• M14: 9,366,921 km (0.086 R)
• M15: 9,721,917 km (0.089 R)
• M16: 10,152,908 km (0.078 R)
• M17: 11,124,696 km (0.106 R)
• M18: 11,893,330 km (0.091 R)
• M19: 12,233,366 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 14.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.21 AU - 4.97 AU

Year: 5516 Days

Day: 13.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,729,561 km

• M1: 182,809 km (0.101 R)
• M2: 851,062 km (0.073 R)
• M3: 1,390,363 km (0.095 R)
• M4: 1,937,741 km (0.114 R)
• M5: 2,541,219 km (0.106 R)
• M6: 3,005,421 km (0.12 R)
• M7: 3,638,519 km (0.047 R)
• M8: 5,146,017 km (0.102 R)
• M9: 6,154,157 km (0.11 R)
• M10: 6,967,371 km (0.067 R)
• M11: 7,437,258 km (0.1 R)
• M12: 8,726,044 km (0.057 R)
• M13: 12,307,866 km (0.092 R)
• M14: 16,644,558 km (0.084 R)
• M15: 17,886,969 km (0.057 R)
• M16: 18,359,847 km (0.032 R)
• M17: 21,527,134 km (0.117 R)
• M18: 22,685,470 km (0.086 R)
• M19: 24,958,460 km (0.12 R)
• M20: 27,024,407 km (0.084 R)
• M21: 33,189,634 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.3

Radius: 5.6

Gravity: 27.66 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.87 AU - 7.09 AU

Year: 11000 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,729,561 km

• M1: 69,713 km (0.06 R)
• M2: 313,108 km (0.113 R)
• M3: 618,138 km (0.032 R)
• M4: 871,408 km (0.066 R)
• M5: 1,180,178 km (0.104 R)
• M6: 1,713,793 km (0.063 R)
• M7: 2,200,734 km (0.112 R)
• M8: 3,548,910 km (0.053 R)
• M9: 3,901,064 km (0.037 R)
• M10: 4,426,900 km (0.093 R)
• M11: 4,867,616 km (0.071 R)
• M12: 5,336,904 km (0.07 R)
• M13: 5,872,764 km (0.079 R)
• M14: 6,483,273 km (0.099 R)
• M15: 7,261,929 km (0.109 R)
• M16: 7,476,752 km (0.115 R)
• M17: 7,740,194 km (0.084 R)
• M18: 8,332,302 km (0.118 R)
• M19: 8,856,643 km (0.068 R)
• M20: 11,636,022 km (0.112 R)
• M21: 13,869,069 km (0.084 R)
• M22: 18,516,327 km (0.116 R)
• M23: 19,738,541 km (0.092 R)
• M24: 21,893,349 km (0.118 R)
• M25: 22,614,710 km (0.075 R)
• M26: 23,820,619 km (0.081 R)
• M27: 25,957,923 km (0.105 R)
• M28: 28,008,910 km (0.075 R)
• M29: 32,896,422 km (0.063 R)
• M30: 33,604,020 km (0.039 R)
• M31: 41,111,290 km (0.076 R)
• M32: 47,685,368 km (0.098 R)
• M33: 49,048,654 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.7

Radius: 3

Gravity: 58.41 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.09 AU - 9.93 AU

Year: 16555 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,729,561 km

• M1: 37,549 km (0.079 R)
• M2: 151,543 km (0.111 R)
• M3: 293,511 km (0.093 R)
• M4: 478,564 km (0.083 R)
• M5: 673,190 km (0.088 R)
• M6: 2,242,921 km (0.106 R)
• M7: 4,205,795 km (0.108 R)
• M8: 5,630,265 km (0.105 R)
• M9: 7,801,828 km (0.108 R)
• M10: 8,667,252 km (0.075 R)
• M11: 12,199,407 km (0.067 R)
• M12: 12,514,909 km (0.091 R)
• M13: 18,662,933 km (0.114 R)
• M14: 34,126,565 km (0.077 R)
• M15: 50,690,790 km (0.12 R)
• M16: 54,169,688 km (0.048 R)
• M17: 59,051,067 km (0.106 R)

Asteroid Belt

Center: 9.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.8

Radius: 6.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.62 AU - 12.38 AU

Year: 22689 Days

Day: 16.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,729,561 km

• M1: 87,365 km (0.112 R)
• M2: 619,335 km (0.083 R)
• M3: 1,350,570 km (0.068 R)
• M4: 1,651,411 km (0.112 R)
• M5: 3,609,049 km (0.105 R)
• M6: 4,272,814 km (0.078 R)
• M7: 5,045,338 km (0.111 R)
• M8: 6,320,809 km (0.104 R)
• M9: 8,422,959 km (0.084 R)
• M10: 9,171,097 km (0.106 R)
• M11: 10,900,449 km (0.054 R)
• M12: 15,243,873 km (0.099 R)
• M13: 16,621,071 km (0.045 R)
• M14: 16,960,808 km (0.103 R)
• M15: 18,222,517 km (0.073 R)
• M16: 20,617,878 km (0.085 R)
• M17: 22,381,337 km (0.068 R)
• M18: 22,712,398 km (0.116 R)
• M19: 24,944,996 km (0.111 R)
• M20: 26,666,120 km (0.064 R)
• M21: 31,157,945 km (0.114 R)
• M22: 36,243,076 km (0.081 R)
• M23: 36,814,540 km (0.097 R)
• M24: 37,508,225 km (0.057 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 17,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit