🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 13.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.98 AU - 2.26 AU

Year: 2025 Days

Day: 13.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,146,086 km

• M1: 175,478 km (0.087 R)
• M2: 858,093 km (0.118 R)
• M3: 1,714,392 km (0.117 R)
• M4: 2,210,608 km (0.119 R)
• M5: 2,738,090 km (0.053 R)
• M6: 3,349,496 km (0.114 R)
• M7: 4,510,525 km (0.111 R)
• M8: 6,262,915 km (0.081 R)
• M9: 7,775,349 km (0.115 R)
• M10: 8,376,882 km (0.079 R)
• M11: 10,730,506 km (0.11 R)
• M12: 11,934,469 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.8

Radius: 13.8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.2 AU - 2.3 AU

Year: 2214 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,146,086 km

• M1: 171,589 km (0.073 R)
• M2: 614,099 km (0.097 R)
• M3: 1,614,161 km (0.088 R)
• M4: 2,275,084 km (0.036 R)
• M5: 2,877,515 km (0.091 R)
• M6: 3,462,443 km (0.089 R)
• M7: 4,657,281 km (0.11 R)
• M8: 5,709,852 km (0.107 R)
• M9: 6,345,343 km (0.055 R)
• M10: 7,084,357 km (0.097 R)
• M11: 7,578,628 km (0.093 R)
• M12: 8,158,320 km (0.094 R)
• M13: 8,833,305 km (0.11 R)
• M14: 9,650,110 km (0.111 R)
• M15: 10,816,973 km (0.098 R)
• M16: 11,395,468 km (0.1 R)
• M17: 12,363,965 km (0.094 R)
• M18: 13,695,236 km (0.03 R)
• M19: 14,326,838 km (0.103 R)
• M20: 16,040,931 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 9.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.05 AU - 3.55 AU

Year: 3933 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,146,086 km

• M1: 115,190 km (0.116 R)
• M2: 570,566 km (0.118 R)
• M3: 1,003,802 km (0.089 R)
• M4: 1,297,462 km (0.097 R)
• M5: 1,604,437 km (0.096 R)
• M6: 2,218,985 km (0.034 R)
• M7: 2,562,612 km (0.032 R)
• M8: 3,667,541 km (0.107 R)
• M9: 4,905,613 km (0.116 R)
• M10: 5,492,935 km (0.104 R)
• M11: 6,309,589 km (0.104 R)
• M12: 8,660,221 km (0.069 R)
• M13: 8,949,842 km (0.065 R)
• M14: 10,993,648 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.2

Radius: 4.6

Gravity: 16.17 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.78 AU - 6.9 AU

Year: 11735 Days

Day: 18.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,146,086 km

• M1: 82,279 km (0.103 R)
• M2: 227,090 km (0.08 R)
• M3: 459,864 km (0.06 R)
• M4: 1,221,167 km (0.117 R)
• M5: 1,403,378 km (0.077 R)
• M6: 1,548,338 km (0.076 R)
• M7: 4,878,087 km (0.106 R)
• M8: 5,120,586 km (0.059 R)
• M9: 5,662,728 km (0.118 R)
• M10: 5,930,658 km (0.087 R)
• M11: 7,281,377 km (0.083 R)
• M12: 11,502,281 km (0.086 R)
• M13: 11,662,201 km (0.112 R)
• M14: 12,540,490 km (0.092 R)
• M15: 13,758,965 km (0.098 R)
• M16: 14,060,255 km (0.078 R)
• M17: 15,438,799 km (0.08 R)
• M18: 16,027,766 km (0.115 R)
• M19: 17,600,937 km (0.058 R)
• M20: 17,884,575 km (0.072 R)
• M21: 18,461,275 km (0.048 R)
• M22: 18,975,742 km (0.101 R)
• M23: 22,265,997 km (0.109 R)
• M24: 26,748,249 km (0.105 R)
• M25: 27,217,687 km (0.091 R)
• M26: 27,501,923 km (0.115 R)
• M27: 28,172,869 km (0.079 R)
• M28: 30,965,862 km (0.086 R)
• M29: 31,796,429 km (0.069 R)
• M30: 32,641,807 km (0.112 R)
• M31: 34,932,150 km (0.074 R)
• M32: 37,094,587 km (0.05 R)
• M33: 40,073,679 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.1

Radius: 4.4

Gravity: 46.65 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.23 AU - 8.29 AU

Year: 12833 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,146,086 km

• M1: 59,241 km (0.092 R)
• M2: 276,756 km (0.081 R)
• M3: 588,967 km (0.108 R)
• M4: 1,221,915 km (0.08 R)
• M5: 1,679,386 km (0.115 R)
• M6: 3,298,783 km (0.114 R)
• M7: 7,395,072 km (0.066 R)
• M8: 8,574,352 km (0.077 R)
• M9: 15,121,802 km (0.081 R)
• M10: 18,705,568 km (0.065 R)
• M11: 20,249,568 km (0.059 R)
• M12: 21,507,686 km (0.079 R)
• M13: 26,742,714 km (0.106 R)
• M14: 28,586,358 km (0.119 R)
• M15: 29,144,358 km (0.11 R)
• M16: 29,823,383 km (0.073 R)
• M17: 32,645,547 km (0.057 R)
• M18: 33,377,978 km (0.103 R)
• M19: 46,631,152 km (0.042 R)
• M20: 60,042,601 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.6

Radius: 4.1

Gravity: 26.09 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.22 AU - 8.04 AU

Year: 13826 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,146,086 km

• M1: 80,334 km (0.07 R)
• M2: 972,237 km (0.108 R)
• M3: 2,460,735 km (0.119 R)
• M4: 4,875,993 km (0.09 R)
• M5: 5,168,008 km (0.064 R)
• M6: 5,786,894 km (0.104 R)
• M7: 6,339,210 km (0.114 R)
• M8: 6,530,845 km (0.12 R)
• M9: 9,338,647 km (0.094 R)
• M10: 11,965,735 km (0.038 R)
• M11: 18,306,591 km (0.05 R)
• M12: 23,344,598 km (0.084 R)
• M13: 30,627,920 km (0.085 R)
• M14: 50,661,020 km (0.107 R)
• M15: 51,119,687 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.6

Radius: 4.3

Gravity: 40 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.79 AU - 10.75 AU

Year: 18515 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,146,086 km

• M1: 83,476 km (0.111 R)
• M2: 908,807 km (0.089 R)
• M3: 1,267,692 km (0.1 R)
• M4: 1,936,395 km (0.071 R)
• M5: 2,550,195 km (0.095 R)
• M6: 3,368,346 km (0.065 R)
• M7: 4,795,360 km (0.105 R)
• M8: 5,011,977 km (0.087 R)
• M9: 6,110,325 km (0.068 R)
• M10: 8,558,644 km (0.104 R)
• M11: 9,315,011 km (0.114 R)
• M12: 12,179,959 km (0.067 R)
• M13: 13,065,280 km (0.068 R)
• M14: 16,542,383 km (0.066 R)
• M15: 17,541,547 km (0.1 R)
• M16: 24,605,858 km (0.111 R)
• M17: 25,034,007 km (0.108 R)
• M18: 26,237,372 km (0.091 R)
• M19: 28,171,822 km (0.119 R)
• M20: 29,114,289 km (0.11 R)
• M21: 30,567,034 km (0.031 R)
• M22: 41,205,387 km (0.037 R)
• M23: 47,510,040 km (0.117 R)
• M24: 48,340,757 km (0.118 R)
• M25: 54,427,894 km (0.111 R)
• M26: 61,790,204 km (0.094 R)
• M27: 63,779,407 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 16,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit