🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 10.1

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.58 AU - 0.9 AU

Year: 439 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,751,856 km

• M1: 125,662 km (0.055 R)
• M2: 443,558 km (0.058 R)
• M3: 801,545 km (0.071 R)
• M4: 1,280,408 km (0.097 R)
• M5: 1,691,054 km (0.114 R)
• M6: 2,085,245 km (0.11 R)
• M7: 2,649,677 km (0.114 R)
• M8: 4,110,949 km (0.119 R)
• M9: 4,831,413 km (0.101 R)
• M10: 5,961,026 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.1

Radius: 11.4

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.62 AU - 1 AU

Year: 503 Days

Day: 5.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,751,856 km

• M1: 141,819 km (0.105 R)
• M2: 536,159 km (0.073 R)
• M3: 931,696 km (0.098 R)
• M4: 1,797,418 km (0.104 R)
• M5: 2,779,977 km (0.118 R)
• M6: 3,149,783 km (0.101 R)
• M7: 3,766,725 km (0.087 R)
• M8: 4,842,034 km (0.108 R)
• M9: 5,904,329 km (0.073 R)
• M10: 6,560,465 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.5

Radius: 9.5

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.11 AU - 1.79 AU

Year: 1205 Days

Day: 10.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,751,856 km

• M1: 119,828 km (0.044 R)
• M2: 669,301 km (0.096 R)
• M3: 999,763 km (0.089 R)
• M4: 1,298,360 km (0.054 R)
• M5: 1,788,891 km (0.09 R)
• M6: 2,317,570 km (0.049 R)
• M7: 2,988,666 km (0.114 R)
• M8: 3,499,244 km (0.102 R)
• M9: 4,101,375 km (0.06 R)
• M10: 4,751,976 km (0.12 R)
• M11: 6,560,914 km (0.098 R)
• M12: 6,946,876 km (0.077 R)
• M13: 7,844,314 km (0.108 R)
• M14: 8,196,617 km (0.054 R)
• M15: 8,759,404 km (0.068 R)
• M16: 10,734,694 km (0.086 R)
• M17: 11,616,125 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 9.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.4 AU - 3.2 AU

Year: 3234 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,751,856 km

• M1: 124,914 km (0.093 R)
• M2: 492,626 km (0.115 R)
• M3: 976,276 km (0.051 R)
• M4: 1,317,957 km (0.065 R)
• M5: 1,751,342 km (0.093 R)
• M6: 2,186,074 km (0.077 R)
• M7: 3,205,434 km (0.098 R)
• M8: 3,577,184 km (0.07 R)
• M9: 4,138,176 km (0.072 R)
• M10: 4,937,777 km (0.107 R)
• M11: 5,608,873 km (0.107 R)
• M12: 5,992,741 km (0.073 R)
• M13: 6,957,199 km (0.097 R)
• M14: 7,769,365 km (0.104 R)
• M15: 9,617,797 km (0.096 R)
• M16: 10,395,406 km (0.084 R)
• M17: 11,578,277 km (0.039 R)
• M18: 12,630,548 km (0.045 R)
• M19: 13,562,842 km (0.096 R)
• M20: 15,814,589 km (0.041 R)
• M21: 16,739,553 km (0.119 R)
• M22: 17,268,681 km (0.074 R)
• M23: 17,863,631 km (0.1 R)
• M24: 18,980,379 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 12.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.9 AU - 4.62 AU

Year: 5033 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,751,856 km

• M1: 156,779 km (0.116 R)
• M2: 555,906 km (0.028 R)
• M3: 1,139,936 km (0.034 R)
• M4: 1,671,906 km (0.114 R)
• M5: 3,130,784 km (0.114 R)
• M6: 4,005,184 km (0.094 R)
• M7: 5,369,367 km (0.119 R)
• M8: 7,091,238 km (0.114 R)
• M9: 7,911,184 km (0.094 R)
• M10: 9,074,457 km (0.052 R)
• M11: 10,128,374 km (0.089 R)
• M12: 10,753,394 km (0.117 R)
• M13: 11,498,840 km (0.08 R)
• M14: 13,407,859 km (0.112 R)
• M15: 16,170,632 km (0.117 R)
• M16: 17,653,746 km (0.031 R)
• M17: 18,428,363 km (0.103 R)
• M18: 20,675,772 km (0.104 R)
• M19: 21,391,598 km (0.11 R)
• M20: 24,898,621 km (0.088 R)
• M21: 28,507,969 km (0.118 R)
• M22: 30,026,537 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.3

Radius: 4

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.83 AU - 7.37 AU

Year: 11704 Days

Day: 16.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,751,856 km

• M1: 51,910 km (0.102 R)
• M2: 657,333 km (0.095 R)
• M3: 968,497 km (0.069 R)
• M4: 1,225,805 km (0.054 R)
• M5: 1,777,372 km (0.061 R)
• M6: 2,276,281 km (0.094 R)
• M7: 4,534,461 km (0.105 R)
• M8: 4,828,570 km (0.107 R)
• M9: 5,544,396 km (0.101 R)
• M10: 6,037,920 km (0.119 R)
• M11: 7,997,053 km (0.084 R)
• M12: 8,586,020 km (0.084 R)
• M13: 10,071,826 km (0.073 R)
• M14: 10,206,614 km (0.117 R)
• M15: 13,162,967 km (0.119 R)
• M16: 15,964,337 km (0.11 R)
• M17: 25,349,210 km (0.092 R)
• M18: 29,268,375 km (0.091 R)
• M19: 29,543,186 km (0.074 R)
• M20: 30,097,895 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.1

Radius: 7.1

Gravity: 17.88 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.61 AU - 9.27 AU

Year: 14008 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,751,856 km

• M1: 88,263 km (0.113 R)
• M2: 323,431 km (0.05 R)
• M3: 553,063 km (0.116 R)
• M4: 1,030,430 km (0.085 R)
• M5: 1,352,215 km (0.12 R)
• M6: 1,640,640 km (0.119 R)
• M7: 1,988,305 km (0.087 R)
• M8: 2,239,929 km (0.089 R)
• M9: 2,601,357 km (0.119 R)
• M10: 3,441,349 km (0.082 R)
• M11: 4,259,351 km (0.044 R)
• M12: 4,580,836 km (0.091 R)
• M13: 5,272,727 km (0.078 R)
• M14: 5,835,663 km (0.086 R)
• M15: 6,776,036 km (0.102 R)
• M16: 7,214,806 km (0.099 R)
• M17: 8,494,765 km (0.103 R)
• M18: 8,953,283 km (0.091 R)
• M19: 10,717,790 km (0.081 R)
• M20: 12,833,852 km (0.083 R)
• M21: 13,099,837 km (0.119 R)
• M22: 15,511,654 km (0.087 R)
• M23: 16,585,617 km (0.046 R)
• M24: 20,917,672 km (0.118 R)
• M25: 21,286,431 km (0.088 R)
• M26: 21,753,326 km (0.106 R)
• M27: 25,948,798 km (0.047 R)
• M28: 28,460,247 km (0.084 R)
• M29: 28,913,080 km (0.055 R)
• M30: 33,331,303 km (0.061 R)
• M31: 35,243,762 km (0.054 R)
• M32: 42,292,664 km (0.073 R)
• M33: 42,882,230 km (0.086 R)
• M34: 51,721,519 km (0.104 R)
• M35: 52,057,965 km (0.051 R)
• M36: 53,589,697 km (0.096 R)
• M37: 58,001,787 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 16,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit