🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.9

Radius: 14.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.49 AU - 0.69 AU

Year: 319 Days

Day: 14.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,102,280 km

• M1: 177,722 km (0.114 R)
• M2: 621,130 km (0.111 R)
• M3: 1,078,451 km (0.112 R)
• M4: 1,538,016 km (0.067 R)
• M5: 2,051,585 km (0.096 R)
• M6: 2,502,473 km (0.055 R)
• M7: 3,201,544 km (0.086 R)
• M8: 4,066,519 km (0.059 R)
• M9: 4,603,874 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.9

Radius: 12.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.49 AU - 0.73 AU

Year: 335 Days

Day: 8.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,102,280 km

• M1: 156,629 km (0.113 R)
• M2: 597,793 km (0.051 R)
• M3: 1,154,297 km (0.119 R)
• M4: 1,628,971 km (0.12 R)
• M5: 2,073,875 km (0.109 R)
• M6: 2,554,683 km (0.084 R)
• M7: 2,996,595 km (0.106 R)
• M8: 3,400,210 km (0.112 R)
• M9: 4,266,382 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 11.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.67 AU - 0.83 AU

Year: 457 Days

Day: 11.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,102,280 km

• M1: 139,425 km (0.087 R)
• M2: 513,121 km (0.096 R)
• M3: 880,234 km (0.095 R)
• M4: 1,516,474 km (0.092 R)
• M5: 2,206,120 km (0.057 R)
• M6: 2,733,452 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.1

Radius: 8.3

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.71 AU - 1.01 AU

Year: 561 Days

Day: 8 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,102,280 km

• M1: 104,120 km (0.073 R)
• M2: 368,908 km (0.078 R)
• M3: 650,751 km (0.063 R)
• M4: 950,694 km (0.063 R)
• M5: 1,331,571 km (0.108 R)
• M6: 1,625,680 km (0.05 R)
• M7: 1,947,166 km (0.114 R)
• M8: 2,238,283 km (0.11 R)
• M9: 2,528,952 km (0.105 R)
• M10: 2,802,866 km (0.084 R)
• M11: 3,291,901 km (0.069 R)
• M12: 3,968,532 km (0.072 R)
• M13: 4,397,280 km (0.105 R)
• M14: 4,659,974 km (0.09 R)
• M15: 5,042,495 km (0.108 R)
• M16: 5,330,771 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 12.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.39 AU - 1.53 AU

Year: 1240 Days

Day: 11.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,102,280 km

• M1: 159,172 km (0.095 R)
• M2: 567,425 km (0.046 R)
• M3: 988,094 km (0.118 R)
• M4: 1,558,660 km (0.058 R)
• M5: 2,035,429 km (0.094 R)
• M6: 2,750,207 km (0.046 R)
• M7: 3,217,701 km (0.114 R)
• M8: 4,053,504 km (0.104 R)
• M9: 4,514,116 km (0.066 R)
• M10: 5,477,825 km (0.099 R)
• M11: 6,042,707 km (0.053 R)
• M12: 6,526,955 km (0.118 R)
• M13: 7,062,067 km (0.077 R)
• M14: 7,758,744 km (0.088 R)
• M15: 10,319,411 km (0.092 R)
• M16: 11,149,081 km (0.1 R)
• M17: 11,808,957 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 12.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.48 AU - 1.92 AU

Year: 1558 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,102,280 km

• M1: 153,188 km (0.103 R)
• M2: 550,071 km (0.11 R)
• M3: 980,165 km (0.113 R)
• M4: 1,741,469 km (0.064 R)
• M5: 2,227,064 km (0.111 R)
• M6: 3,092,338 km (0.028 R)
• M7: 4,254,713 km (0.09 R)
• M8: 4,713,380 km (0.066 R)
• M9: 5,544,695 km (0.065 R)
• M10: 6,677,899 km (0.103 R)
• M11: 7,523,875 km (0.104 R)
• M12: 8,064,821 km (0.107 R)
• M13: 8,576,596 km (0.093 R)
• M14: 9,081,339 km (0.115 R)
• M15: 9,905,922 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.4

Radius: 9

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.57 AU - 2.51 AU

Year: 2048 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,102,280 km

• M1: 129,402 km (0.069 R)
• M2: 456,573 km (0.066 R)
• M3: 924,515 km (0.118 R)
• M4: 1,291,628 km (0.083 R)
• M5: 1,684,023 km (0.099 R)
• M6: 2,276,730 km (0.093 R)
• M7: 3,543,824 km (0.081 R)
• M8: 5,250,586 km (0.046 R)
• M9: 6,135,009 km (0.109 R)
• M10: 6,821,513 km (0.115 R)
• M11: 7,960,701 km (0.109 R)
• M12: 8,256,905 km (0.111 R)
• M13: 9,582,043 km (0.113 R)
• M14: 10,934,707 km (0.095 R)
• M15: 12,529,121 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 9.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.78 AU - 4.22 AU

Year: 4603 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,102,280 km

• M1: 119,379 km (0.064 R)
• M2: 843,582 km (0.113 R)
• M3: 1,333,067 km (0.094 R)
• M4: 2,623,049 km (0.051 R)
• M5: 7,090,191 km (0.111 R)
• M6: 8,929,796 km (0.095 R)
• M7: 11,977,105 km (0.103 R)
• M8: 16,379,321 km (0.063 R)
• M9: 17,504,596 km (0.047 R)
• M10: 19,493,500 km (0.076 R)
• M11: 19,848,945 km (0.105 R)

Asteroid Belt

Center: 4.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 14.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.22 AU - 5.54 AU

Year: 7578 Days

Day: 14.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,102,280 km

• M1: 182,809 km (0.079 R)
• M2: 700,118 km (0.071 R)
• M3: 1,243,009 km (0.116 R)
• M4: 1,943,127 km (0.088 R)
• M5: 2,607,192 km (0.104 R)
• M6: 3,273,650 km (0.117 R)
• M7: 3,957,462 km (0.091 R)
• M8: 4,473,874 km (0.056 R)
• M9: 4,979,664 km (0.07 R)
• M10: 6,268,151 km (0.104 R)
• M11: 7,472,862 km (0.104 R)
• M12: 10,293,381 km (0.067 R)
• M13: 11,967,381 km (0.063 R)
• M14: 13,651,105 km (0.11 R)
• M15: 15,547,856 km (0.082 R)
• M16: 16,155,822 km (0.042 R)
• M17: 17,484,550 km (0.116 R)
• M18: 18,009,489 km (0.06 R)
• M19: 22,673,352 km (0.102 R)
• M20: 24,337,629 km (0.089 R)
• M21: 25,743,550 km (0.115 R)
• M22: 28,265,919 km (0.118 R)
• M23: 32,205,430 km (0.094 R)
• M24: 33,094,789 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 15,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit