🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.9

Radius: 13.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.02 AU - 1.06 AU

Year: 674 Days

Day: 5.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,437,201 km

• M1: 172,935 km (0.11 R)
• M2: 665,561 km (0.058 R)
• M3: 1,182,571 km (0.053 R)
• M4: 2,100,653 km (0.12 R)
• M5: 2,613,176 km (0.107 R)
• M6: 3,349,197 km (0.055 R)
• M7: 4,011,018 km (0.118 R)
• M8: 5,132,105 km (0.087 R)
• M9: 5,785,398 km (0.069 R)
• M10: 6,617,013 km (0.065 R)
• M11: 7,918,514 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.8

Radius: 9.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.14 AU - 1.16 AU

Year: 784 Days

Day: 9.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,437,201 km

• M1: 115,340 km (0.114 R)
• M2: 465,100 km (0.051 R)
• M3: 764,894 km (0.045 R)
• M4: 1,786,947 km (0.113 R)
• M5: 2,222,426 km (0.114 R)
• M6: 2,618,711 km (0.063 R)
• M7: 2,978,643 km (0.076 R)
• M8: 3,397,218 km (0.117 R)
• M9: 3,826,564 km (0.119 R)
• M10: 4,522,792 km (0.09 R)
• M11: 5,442,071 km (0.107 R)
• M12: 6,127,230 km (0.116 R)
• M13: 6,889,730 km (0.115 R)
• M14: 7,186,083 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.4

Radius: 12.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.44 AU - 3.88 AU

Year: 4452 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,437,201 km

• M1: 160,369 km (0.094 R)
• M2: 562,189 km (0.084 R)
• M3: 1,181,374 km (0.099 R)
• M4: 1,642,435 km (0.115 R)
• M5: 3,153,523 km (0.115 R)
• M6: 3,624,308 km (0.113 R)
• M7: 4,304,978 km (0.052 R)
• M8: 4,775,314 km (0.068 R)
• M9: 5,327,629 km (0.087 R)
• M10: 6,533,537 km (0.087 R)
• M11: 8,491,026 km (0.028 R)
• M12: 10,659,147 km (0.097 R)
• M13: 11,524,870 km (0.063 R)
• M14: 12,352,147 km (0.08 R)
• M15: 15,121,054 km (0.119 R)
• M16: 15,760,734 km (0.107 R)
• M17: 18,724,866 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.5

Radius: 9.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.06 AU - 4.38 AU

Year: 5512 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,437,201 km

• M1: 124,316 km (0.11 R)
• M2: 545,434 km (0.104 R)
• M3: 1,010,833 km (0.033 R)
• M4: 1,357,451 km (0.029 R)
• M5: 2,299,469 km (0.099 R)
• M6: 2,627,088 km (0.087 R)
• M7: 3,004,823 km (0.118 R)
• M8: 3,543,824 km (0.095 R)
• M9: 4,052,756 km (0.063 R)
• M10: 5,000,309 km (0.077 R)
• M11: 7,609,894 km (0.083 R)
• M12: 8,119,275 km (0.115 R)
• M13: 9,912,505 km (0.076 R)
• M14: 13,256,017 km (0.084 R)
• M15: 26,818,560 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.1

Radius: 10.1

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.48 AU - 5.06 AU

Year: 5610 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,437,201 km

• M1: 125,961 km (0.116 R)
• M2: 843,433 km (0.1 R)
• M3: 1,672,055 km (0.054 R)
• M4: 2,541,668 km (0.102 R)
• M5: 5,235,626 km (0.06 R)
• M6: 6,033,881 km (0.112 R)
• M7: 6,525,310 km (0.075 R)
• M8: 7,394,623 km (0.107 R)
• M9: 9,853,862 km (0.059 R)
• M10: 13,053,761 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.1

Radius: 3.3

Gravity: 74.48 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.25 AU - 13.15 AU

Year: 22254 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,437,201 km

• M1: 263,143 km (0.093 R)
• M2: 429,196 km (0.094 R)
• M3: 615,146 km (0.036 R)
• M4: 973,583 km (0.054 R)
• M5: 1,133,952 km (0.062 R)
• M6: 2,741,381 km (0.065 R)
• M7: 3,406,942 km (0.09 R)
• M8: 4,560,790 km (0.074 R)
• M9: 13,949,852 km (0.098 R)
• M10: 14,651,765 km (0.119 R)
• M11: 17,160,970 km (0.112 R)
• M12: 21,235,268 km (0.069 R)
• M13: 23,658,305 km (0.086 R)
• M14: 24,879,622 km (0.064 R)
• M15: 25,563,135 km (0.052 R)
• M16: 26,142,378 km (0.072 R)
• M17: 28,670,432 km (0.109 R)
• M18: 30,443,466 km (0.087 R)
• M19: 31,886,786 km (0.045 R)
• M20: 32,964,788 km (0.06 R)
• M21: 48,377,707 km (0.077 R)
• M22: 53,286,612 km (0.109 R)
• M23: 71,343,225 km (0.114 R)
• M24: 79,871,949 km (0.077 R)
• M25: 83,617,431 km (0.105 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: 402 - 17,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit