🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.8

Radius: 9.7

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.59 AU - 0.97 AU

Year: 459 Days

Day: 14.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,954,203 km

• M1: 120,725 km (0.065 R)
• M2: 438,471 km (0.1 R)
• M3: 1,143,377 km (0.061 R)
• M4: 1,833,771 km (0.069 R)
• M5: 2,427,525 km (0.064 R)
• M6: 2,857,619 km (0.109 R)
• M7: 4,599,237 km (0.084 R)
• M8: 5,244,153 km (0.118 R)
• M9: 6,400,246 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.8

Radius: 15

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.82 AU - 0.84 AU

Year: 504 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,954,203 km

• M1: 186,698 km (0.088 R)
• M2: 657,034 km (0.055 R)
• M3: 1,430,156 km (0.094 R)
• M4: 1,920,537 km (0.078 R)
• M5: 2,392,668 km (0.085 R)
• M6: 2,879,460 km (0.032 R)
• M7: 3,349,646 km (0.088 R)
• M8: 3,990,673 km (0.104 R)
• M9: 5,290,230 km (0.086 R)
• M10: 5,775,824 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.3

Radius: 14.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.96 AU - 1.56 AU

Year: 943 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,954,203 km

• M1: 176,525 km (0.116 R)
• M2: 662,270 km (0.082 R)
• M3: 1,507,947 km (0.115 R)
• M4: 2,378,157 km (0.081 R)
• M5: 3,081,866 km (0.076 R)
• M6: 3,562,972 km (0.108 R)
• M7: 5,185,810 km (0.111 R)
• M8: 5,669,610 km (0.06 R)
• M9: 6,141,292 km (0.066 R)
• M10: 6,661,593 km (0.099 R)
• M11: 8,375,985 km (0.071 R)
• M12: 9,662,676 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337

Radius: 12.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.33 AU - 1.39 AU

Year: 1058 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,954,203 km

• M1: 150,495 km (0.101 R)
• M2: 654,939 km (0.102 R)
• M3: 1,063,940 km (0.09 R)
• M4: 1,901,389 km (0.109 R)
• M5: 2,278,824 km (0.069 R)
• M6: 2,695,454 km (0.102 R)
• M7: 3,253,006 km (0.105 R)
• M8: 3,685,344 km (0.082 R)
• M9: 4,125,460 km (0.1 R)
• M10: 4,502,746 km (0.092 R)
• M11: 4,989,687 km (0.101 R)
• M12: 6,250,498 km (0.084 R)
• M13: 6,858,015 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 10

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.25 AU - 2.65 AU

Year: 2557 Days

Day: 10.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,954,203 km

• M1: 126,560 km (0.11 R)
• M2: 484,697 km (0.074 R)
• M3: 1,105,229 km (0.078 R)
• M4: 1,446,611 km (0.026 R)
• M5: 1,835,566 km (0.075 R)
• M6: 2,406,282 km (0.119 R)
• M7: 3,353,236 km (0.102 R)
• M8: 4,870,907 km (0.044 R)
• M9: 5,203,164 km (0.095 R)
• M10: 6,402,789 km (0.112 R)
• M11: 6,978,591 km (0.115 R)
• M12: 16,724,892 km (0.109 R)
• M13: 17,816,807 km (0.076 R)
• M14: 18,153,402 km (0.12 R)
• M15: 18,494,336 km (0.085 R)
• M16: 20,446,139 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 8

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.64 AU - 5.68 AU

Year: 8980 Days

Day: 5.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,954,203 km

• M1: 99,782 km (0.09 R)
• M2: 382,971 km (0.119 R)
• M3: 983,606 km (0.088 R)
• M4: 1,415,794 km (0.072 R)
• M5: 2,603,751 km (0.11 R)
• M6: 3,813,250 km (0.062 R)
• M7: 5,057,306 km (0.114 R)
• M8: 5,674,995 km (0.094 R)
• M9: 7,097,671 km (0.085 R)
• M10: 7,952,024 km (0.106 R)
• M11: 8,916,781 km (0.076 R)
• M12: 13,334,556 km (0.064 R)
• M13: 18,309,433 km (0.068 R)
• M14: 19,025,408 km (0.104 R)
• M15: 19,390,278 km (0.084 R)
• M16: 19,834,284 km (0.114 R)
• M17: 22,887,577 km (0.078 R)
• M18: 29,809,021 km (0.111 R)
• M19: 33,159,864 km (0.111 R)
• M20: 33,476,264 km (0.06 R)
• M21: 33,901,570 km (0.108 R)
• M22: 35,198,733 km (0.088 R)
• M23: 38,585,779 km (0.032 R)
• M24: 38,936,137 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.7

Radius: 6.5

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.32 AU - 10.54 AU

Year: 20867 Days

Day: 24.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 126 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,954,203 km

• M1: 80,783 km (0.079 R)
• M2: 613,950 km (0.119 R)
• M3: 925,562 km (0.087 R)
• M4: 2,284,210 km (0.118 R)
• M5: 3,040,427 km (0.075 R)
• M6: 3,751,167 km (0.08 R)
• M7: 4,864,175 km (0.077 R)
• M8: 5,756,676 km (0.108 R)
• M9: 6,221,925 km (0.104 R)
• M10: 6,628,532 km (0.087 R)
• M11: 7,630,838 km (0.096 R)
• M12: 11,240,485 km (0.078 R)
• M13: 15,332,136 km (0.079 R)
• M14: 16,376,778 km (0.066 R)
• M15: 17,707,900 km (0.05 R)
• M16: 18,773,486 km (0.1 R)
• M17: 21,577,398 km (0.104 R)
• M18: 24,950,681 km (0.061 R)
• M19: 32,237,593 km (0.055 R)
• M20: 53,297,233 km (0.114 R)
• M21: 58,137,473 km (0.091 R)
• M22: 58,493,964 km (0.08 R)
• M23: 59,934,741 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 16,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit