🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289

Radius: 9.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.83 AU - 0.99 AU

Year: 579 Days

Day: 12.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,987,761 km

• M1: 115,639 km (0.102 R)
• M2: 452,534 km (0.088 R)
• M3: 890,556 km (0.091 R)
• M4: 1,394,701 km (0.084 R)
• M5: 1,756,279 km (0.12 R)
• M6: 2,381,149 km (0.116 R)
• M7: 2,954,857 km (0.099 R)
• M8: 4,043,481 km (0.051 R)
• M9: 4,700,664 km (0.072 R)
• M10: 5,055,062 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.2

Radius: 13.1

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.8 AU - 1.06 AU

Year: 598 Days

Day: 12.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,987,761 km

• M1: 162,912 km (0.083 R)
• M2: 582,235 km (0.12 R)
• M3: 1,042,548 km (0.084 R)
• M4: 1,594,115 km (0.091 R)
• M5: 2,624,844 km (0.101 R)
• M6: 3,359,220 km (0.089 R)
• M7: 4,213,723 km (0.049 R)
• M8: 5,029,929 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 9.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.73 AU - 1.17 AU

Year: 617 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,987,761 km

• M1: 114,592 km (0.095 R)
• M2: 404,513 km (0.116 R)
• M3: 740,958 km (0.034 R)
• M4: 1,352,814 km (0.059 R)
• M5: 1,684,472 km (0.05 R)
• M6: 2,798,976 km (0.115 R)
• M7: 3,092,487 km (0.108 R)
• M8: 3,584,515 km (0.059 R)
• M9: 4,228,533 km (0.076 R)
• M10: 6,092,074 km (0.089 R)
• M11: 6,452,156 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.2

Radius: 13.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.03 AU - 1.61 AU

Year: 1011 Days

Day: 12.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,987,761 km

• M1: 163,361 km (0.068 R)
• M2: 673,340 km (0.102 R)
• M3: 1,113,307 km (0.103 R)
• M4: 1,615,956 km (0.056 R)
• M5: 2,025,555 km (0.09 R)
• M6: 2,445,327 km (0.099 R)
• M7: 3,108,943 km (0.111 R)
• M8: 3,568,059 km (0.119 R)
• M9: 4,485,991 km (0.075 R)
• M10: 5,294,568 km (0.073 R)
• M11: 5,879,944 km (0.111 R)
• M12: 6,587,542 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.8

Radius: 9.1

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.88 AU - 2.1 AU

Year: 1872 Days

Day: 13.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,987,761 km

• M1: 116,238 km (0.091 R)
• M2: 566,527 km (0.119 R)
• M3: 985,102 km (0.092 R)
• M4: 1,324,988 km (0.067 R)
• M5: 2,863,004 km (0.115 R)
• M6: 4,889,906 km (0.115 R)
• M7: 5,872,315 km (0.097 R)
• M8: 9,119,187 km (0.119 R)
• M9: 9,840,997 km (0.09 R)
• M10: 11,250,508 km (0.055 R)
• M11: 12,830,112 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 11.5

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.7 AU - 3.46 AU

Year: 3605 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,987,761 km

• M1: 143,016 km (0.037 R)
• M2: 515,514 km (0.099 R)
• M3: 1,010,085 km (0.086 R)
• M4: 1,519,765 km (0.076 R)
• M5: 2,326,845 km (0.103 R)
• M6: 2,912,521 km (0.093 R)
• M7: 3,734,860 km (0.12 R)
• M8: 4,312,308 km (0.071 R)
• M9: 4,948,398 km (0.06 R)
• M10: 5,673,200 km (0.102 R)
• M11: 6,033,133 km (0.051 R)
• M12: 7,629,043 km (0.065 R)
• M13: 8,207,388 km (0.025 R)
• M14: 9,185,608 km (0.114 R)
• M15: 9,644,724 km (0.088 R)
• M16: 10,650,471 km (0.09 R)
• M17: 11,769,164 km (0.105 R)
• M18: 12,964,600 km (0.085 R)
• M19: 15,757,892 km (0.107 R)
• M20: 16,696,768 km (0.113 R)
• M21: 19,549,151 km (0.088 R)
• M22: 20,697,913 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.2

Radius: 5.5

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 9.14 AU - 11.54 AU

Year: 22172 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,987,761 km

• M1: 88,861 km (0.11 R)
• M2: 761,902 km (0.051 R)
• M3: 1,097,300 km (0.103 R)
• M4: 2,010,895 km (0.093 R)
• M5: 6,494,343 km (0.113 R)
• M6: 9,482,859 km (0.083 R)
• M7: 10,466,166 km (0.116 R)
• M8: 11,140,703 km (0.081 R)
• M9: 15,875,326 km (0.053 R)
• M10: 19,477,194 km (0.116 R)
• M11: 21,549,424 km (0.118 R)
• M12: 23,501,077 km (0.09 R)
• M13: 25,752,675 km (0.114 R)
• M14: 31,310,086 km (0.11 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: 520 - 19,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit