🌌 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: 398.1

Radius: 9.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.87 AU - 0.95 AU

Year: 579 Days

Day: 14.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,379,556 km

• M1: 123,119 km (0.11 R)
• M2: 636,240 km (0.105 R)
• M3: 1,041,201 km (0.052 R)
• M4: 1,816,268 km (0.094 R)
• M5: 2,479,585 km (0.101 R)
• M6: 2,789,252 km (0.111 R)
• M7: 3,273,650 km (0.075 R)
• M8: 3,647,944 km (0.088 R)
• M9: 4,037,198 km (0.08 R)
• M10: 4,703,357 km (0.101 R)
• M11: 5,149,757 km (0.114 R)
• M12: 5,777,320 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 12.5

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.81 AU - 1.13 AU

Year: 637 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,379,556 km

• M1: 155,432 km (0.111 R)
• M2: 596,447 km (0.096 R)
• M3: 985,700 km (0.103 R)
• M4: 2,288,698 km (0.116 R)
• M5: 3,079,023 km (0.118 R)
• M6: 4,103,619 km (0.038 R)
• M7: 4,753,472 km (0.119 R)
• M8: 5,165,016 km (0.096 R)
• M9: 6,079,957 km (0.118 R)
• M10: 6,566,000 km (0.058 R)
• M11: 7,344,059 km (0.078 R)
• M12: 7,755,602 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.6

Radius: 10.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.83 AU - 2.23 AU

Year: 1929 Days

Day: 11 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,379,556 km

• M1: 133,142 km (0.107 R)
• M2: 543,938 km (0.093 R)
• M3: 1,232,986 km (0.118 R)
• M4: 1,582,446 km (0.053 R)
• M5: 1,966,913 km (0.095 R)
• M6: 2,353,025 km (0.07 R)
• M7: 2,762,624 km (0.118 R)
• M8: 3,595,435 km (0.096 R)
• M9: 4,160,167 km (0.12 R)
• M10: 4,607,166 km (0.117 R)
• M11: 5,232,036 km (0.033 R)
• M12: 6,901,997 km (0.071 R)
• M13: 7,290,353 km (0.074 R)
• M14: 8,514,961 km (0.088 R)
• M15: 8,871,453 km (0.036 R)
• M16: 9,488,095 km (0.1 R)
• M17: 10,100,100 km (0.038 R)
• M18: 10,567,893 km (0.099 R)
• M19: 11,014,891 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.9

Radius: 12.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.69 AU - 2.59 AU

Year: 2088 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,379,556 km

• M1: 154,535 km (0.089 R)
• M2: 562,937 km (0.093 R)
• M3: 1,210,995 km (0.049 R)
• M4: 2,279,273 km (0.114 R)
• M5: 3,019,633 km (0.072 R)
• M6: 3,931,881 km (0.093 R)
• M7: 4,359,880 km (0.07 R)
• M8: 5,352,761 km (0.088 R)
• M9: 5,767,596 km (0.029 R)
• M10: 6,442,432 km (0.109 R)
• M11: 6,912,618 km (0.082 R)
• M12: 7,379,214 km (0.053 R)
• M13: 8,203,648 km (0.114 R)
• M14: 8,846,470 km (0.103 R)
• M15: 10,266,303 km (0.109 R)
• M16: 11,723,686 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 14.8

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.4 AU - 2.44 AU

Year: 2510 Days

Day: 6.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,379,556 km

• M1: 184,155 km (0.104 R)
• M2: 646,113 km (0.096 R)
• M3: 1,305,690 km (0.116 R)
• M4: 1,789,041 km (0.108 R)
• M5: 2,642,198 km (0.069 R)
• M6: 3,304,467 km (0.054 R)
• M7: 5,276,915 km (0.094 R)
• M8: 6,585,597 km (0.119 R)
• M9: 7,454,163 km (0.114 R)
• M10: 8,021,737 km (0.09 R)
• M11: 8,757,759 km (0.09 R)
• M12: 10,146,476 km (0.099 R)
• M13: 11,239,288 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 11.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.66 AU - 5.62 AU

Year: 6665 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,379,556 km

• M1: 140,472 km (0.112 R)
• M2: 670,198 km (0.114 R)
• M3: 1,191,996 km (0.061 R)
• M4: 1,656,946 km (0.102 R)
• M5: 2,327,294 km (0.084 R)
• M6: 2,975,651 km (0.101 R)
• M7: 3,845,114 km (0.086 R)
• M8: 4,533,414 km (0.103 R)
• M9: 5,683,522 km (0.09 R)
• M10: 8,984,399 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 8.3

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.4 AU - 5.6 AU

Year: 8601 Days

Day: 5.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,379,556 km

• M1: 103,223 km (0.086 R)
• M2: 379,679 km (0.112 R)
• M3: 1,188,555 km (0.069 R)
• M4: 1,622,539 km (0.042 R)
• M5: 2,010,595 km (0.088 R)
• M6: 2,350,482 km (0.062 R)
• M7: 2,669,275 km (0.11 R)
• M8: 3,280,382 km (0.116 R)
• M9: 3,879,073 km (0.114 R)
• M10: 4,218,211 km (0.116 R)
• M11: 6,047,644 km (0.111 R)
• M12: 7,330,595 km (0.101 R)
• M13: 7,850,447 km (0.088 R)
• M14: 8,309,264 km (0.092 R)
• M15: 9,280,603 km (0.083 R)
• M16: 10,178,789 km (0.118 R)
• M17: 11,929,084 km (0.119 R)
• M18: 12,257,451 km (0.117 R)
• M19: 14,418,392 km (0.106 R)
• M20: 15,882,806 km (0.092 R)
• M21: 20,632,090 km (0.036 R)
• M22: 21,993,131 km (0.099 R)
• M23: 23,842,011 km (0.075 R)
• M24: 24,189,078 km (0.09 R)
• M25: 25,520,200 km (0.041 R)
• M26: 26,619,894 km (0.112 R)
• M27: 27,942,339 km (0.05 R)
• M28: 32,702,244 km (0.048 R)
• M29: 34,218,269 km (0.077 R)
• M30: 38,687,655 km (0.069 R)
• M31: 39,408,118 km (0.115 R)
• M32: 41,123,856 km (0.071 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 19,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit