🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.6

Radius: 9.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.7 AU - 5.46 AU

Year: 4279 Days

Day: 11.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 106,468,661 km

• M1: 116,986 km (0.062 R)
• M2: 612,753 km (0.114 R)
• M3: 1,079,349 km (0.077 R)
• M4: 1,636,002 km (0.035 R)
• M5: 1,942,977 km (0.099 R)
• M6: 2,659,701 km (0.055 R)
• M7: 3,877,726 km (0.088 R)
• M8: 4,190,386 km (0.055 R)
• M9: 5,281,403 km (0.042 R)
• M10: 5,745,905 km (0.114 R)
• M11: 6,786,507 km (0.082 R)
• M12: 7,398,961 km (0.095 R)
• M13: 7,882,162 km (0.081 R)
• M14: 8,455,122 km (0.101 R)
• M15: 9,608,671 km (0.113 R)
• M16: 12,137,025 km (0.118 R)
• M17: 12,718,512 km (0.094 R)
• M18: 13,506,893 km (0.096 R)
• M19: 14,082,695 km (0.066 R)
• M20: 16,121,115 km (0.108 R)
• M21: 16,605,513 km (0.111 R)
• M22: 21,347,616 km (0.105 R)
• M23: 21,997,469 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.4

Radius: 10.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.83 AU - 6.05 AU

Year: 4793 Days

Day: 7.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 106,468,661 km

• M1: 129,851 km (0.112 R)
• M2: 513,121 km (0.099 R)
• M3: 891,454 km (0.076 R)
• M4: 1,263,055 km (0.086 R)
• M5: 2,040,216 km (0.1 R)
• M6: 3,039,081 km (0.09 R)
• M7: 3,738,451 km (0.07 R)
• M8: 4,072,652 km (0.091 R)
• M9: 4,874,497 km (0.09 R)
• M10: 5,588,976 km (0.112 R)
• M11: 6,055,871 km (0.113 R)
• M12: 8,017,548 km (0.103 R)
• M13: 8,505,387 km (0.084 R)
• M14: 9,425,713 km (0.11 R)
• M15: 10,248,950 km (0.102 R)
• M16: 10,949,966 km (0.12 R)
• M17: 13,341,587 km (0.108 R)
• M18: 13,730,691 km (0.107 R)
• M19: 16,614,040 km (0.072 R)
• M20: 17,350,361 km (0.106 R)
• M21: 17,697,428 km (0.116 R)
• M22: 19,071,185 km (0.095 R)
• M23: 20,643,758 km (0.09 R)
• M24: 23,196,795 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702

Radius: 10.7

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.25 AU - 6.09 AU

Year: 5132 Days

Day: 7.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 106,468,661 km

• M1: 133,142 km (0.045 R)
• M2: 901,028 km (0.1 R)
• M3: 1,251,536 km (0.113 R)
• M4: 1,920,837 km (0.088 R)
• M5: 2,274,486 km (0.058 R)
• M6: 2,619,758 km (0.1 R)
• M7: 3,115,675 km (0.061 R)
• M8: 3,919,464 km (0.103 R)
• M9: 4,520,100 km (0.092 R)
• M10: 5,264,648 km (0.116 R)
• M11: 6,795,334 km (0.09 R)
• M12: 7,591,194 km (0.119 R)
• M13: 8,332,751 km (0.109 R)
• M14: 9,534,770 km (0.056 R)
• M15: 10,577,018 km (0.091 R)
• M16: 10,986,767 km (0.045 R)
• M17: 12,938,121 km (0.098 R)
• M18: 14,882,744 km (0.081 R)
• M19: 19,546,757 km (0.101 R)
• M20: 23,070,684 km (0.118 R)
• M21: 25,022,338 km (0.085 R)
• M22: 28,985,335 km (0.118 R)
• M23: 30,242,257 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.4

Radius: 13.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.83 AU - 7.25 AU

Year: 6480 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 106,468,661 km

• M1: 172,786 km (0.096 R)
• M2: 1,132,605 km (0.097 R)
• M3: 2,086,142 km (0.056 R)
• M4: 2,523,866 km (0.115 R)
• M5: 3,657,070 km (0.102 R)
• M6: 4,403,264 km (0.106 R)
• M7: 6,667,128 km (0.118 R)
• M8: 7,156,613 km (0.05 R)
• M9: 7,821,425 km (0.094 R)
• M10: 10,997,538 km (0.108 R)
• M11: 11,583,513 km (0.069 R)
• M12: 15,914,670 km (0.059 R)
• M13: 16,349,551 km (0.107 R)
• M14: 19,620,808 km (0.077 R)
• M15: 20,630,294 km (0.069 R)
• M16: 25,184,802 km (0.102 R)
• M17: 27,695,951 km (0.064 R)
• M18: 28,599,373 km (0.097 R)

Asteroid Belt

Center: 8.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.5

Radius: 3.4

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.68 AU - 10.86 AU

Year: 15430 Days

Day: 15.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 106,468,661 km

• M1: 46,375 km (0.093 R)
• M2: 184,903 km (0.04 R)
• M3: 314,904 km (0.089 R)
• M4: 918,232 km (0.091 R)
• M5: 1,092,962 km (0.101 R)
• M6: 1,300,454 km (0.096 R)
• M7: 2,159,744 km (0.104 R)
• M8: 3,116,722 km (0.083 R)
• M9: 3,299,979 km (0.077 R)
• M10: 3,555,343 km (0.103 R)
• M11: 7,119,063 km (0.049 R)
• M12: 8,408,448 km (0.057 R)
• M13: 9,975,934 km (0.111 R)
• M14: 12,472,573 km (0.11 R)
• M15: 13,142,921 km (0.105 R)
• M16: 13,836,905 km (0.116 R)
• M17: 14,951,858 km (0.099 R)
• M18: 15,239,685 km (0.087 R)
• M19: 16,125,454 km (0.048 R)
• M20: 16,734,467 km (0.099 R)
• M21: 20,151,132 km (0.103 R)
• M22: 23,305,403 km (0.03 R)
• M23: 24,959,058 km (0.096 R)
• M24: 25,527,081 km (0.06 R)
• M25: 27,454,500 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.9

Radius: 4.9

Gravity: 40.81 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 13.01 AU - 18.79 AU

Year: 27678 Days

Day: 21 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 106,468,661 km

• M1: 60,886 km (0.114 R)
• M2: 235,766 km (0.03 R)
• M3: 427,252 km (0.086 R)
• M4: 814,112 km (0.104 R)
• M5: 1,148,313 km (0.088 R)
• M6: 3,954,919 km (0.084 R)
• M7: 4,206,393 km (0.05 R)
• M8: 4,701,861 km (0.071 R)
• M9: 6,276,379 km (0.111 R)
• M10: 10,968,067 km (0.092 R)
• M11: 13,123,922 km (0.075 R)
• M12: 15,813,093 km (0.045 R)
• M13: 16,816,297 km (0.058 R)
• M14: 17,861,238 km (0.1 R)
• M15: 19,151,071 km (0.039 R)
• M16: 20,501,939 km (0.086 R)
• M17: 23,044,954 km (0.113 R)
• M18: 24,332,393 km (0.113 R)
• M19: 24,571,600 km (0.106 R)
• M20: 27,049,838 km (0.085 R)
• M21: 32,064,508 km (0.101 R)
• M22: 35,936,700 km (0.118 R)
• M23: 41,116,077 km (0.075 R)
• M24: 44,951,767 km (0.104 R)
• M25: 56,610,377 km (0.107 R)
• M26: 56,820,114 km (0.058 R)
• M27: 58,730,778 km (0.109 R)
• M28: 61,123,596 km (0.053 R)
• M29: 62,455,914 km (0.058 R)
• M30: 69,648,580 km (0.11 R)
• M31: 80,776,567 km (0.11 R)
• M32: 82,919,407 km (0.048 R)
• M33: 90,144,685 km (0.106 R)
• M34: 90,430,716 km (0.119 R)
• M35: 91,580,675 km (0.108 R)
• M36: 101,442,316 km (0.075 R)
• M37: 102,683,829 km (0.047 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 15,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit