🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 14.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.73 AU - 0.87 AU

Year: 469 Days

Day: 8.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,386,690 km

• M1: 185,352 km (0.101 R)
• M2: 881,281 km (0.112 R)
• M3: 1,413,101 km (0.069 R)
• M4: 1,913,506 km (0.101 R)
• M5: 2,504,867 km (0.052 R)
• M6: 3,047,009 km (0.102 R)
• M7: 3,629,693 km (0.065 R)
• M8: 4,681,665 km (0.108 R)
• M9: 5,718,229 km (0.056 R)
• M10: 6,199,336 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 11.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.79 AU - 1.21 AU

Year: 656 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,386,690 km

• M1: 140,622 km (0.08 R)
• M2: 503,247 km (0.101 R)
• M3: 932,444 km (0.103 R)
• M4: 1,355,806 km (0.118 R)
• M5: 1,722,769 km (0.032 R)
• M6: 2,157,052 km (0.099 R)
• M7: 2,596,720 km (0.07 R)
• M8: 3,096,227 km (0.114 R)
• M9: 3,574,641 km (0.103 R)
• M10: 3,997,704 km (0.059 R)
• M11: 4,609,260 km (0.068 R)
• M12: 5,050,873 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.7

Radius: 11.1

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.2 AU - 1.94 AU

Year: 1291 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,386,690 km

• M1: 138,079 km (0.104 R)
• M2: 524,490 km (0.116 R)
• M3: 986,448 km (0.051 R)
• M4: 1,804,599 km (0.093 R)
• M5: 2,223,024 km (0.057 R)
• M6: 2,905,041 km (0.101 R)
• M7: 3,546,816 km (0.062 R)
• M8: 4,722,655 km (0.092 R)
• M9: 5,654,500 km (0.078 R)
• M10: 6,302,409 km (0.102 R)
• M11: 6,656,656 km (0.098 R)
• M12: 7,800,033 km (0.084 R)
• M13: 8,546,377 km (0.117 R)
• M14: 9,491,835 km (0.053 R)
• M15: 10,407,673 km (0.079 R)
• M16: 11,485,526 km (0.112 R)
• M17: 11,908,290 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.2

Radius: 10.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.77 AU - 1.99 AU

Year: 1691 Days

Day: 7.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,386,690 km

• M1: 197,469 km (0.092 R)
• M2: 742,005 km (0.065 R)
• M3: 1,243,009 km (0.099 R)
• M4: 3,353,087 km (0.116 R)
• M5: 4,115,886 km (0.116 R)
• M6: 5,247,893 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 10.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.11 AU - 2.55 AU

Year: 2333 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,386,690 km

• M1: 125,662 km (0.116 R)
• M2: 571,613 km (0.086 R)
• M3: 1,187,358 km (0.079 R)
• M4: 1,786,199 km (0.081 R)
• M5: 2,397,156 km (0.086 R)
• M6: 2,842,808 km (0.098 R)
• M7: 3,270,359 km (0.111 R)
• M8: 3,708,980 km (0.092 R)
• M9: 4,817,201 km (0.101 R)
• M10: 5,386,571 km (0.086 R)
• M11: 5,913,005 km (0.093 R)
• M12: 6,874,471 km (0.096 R)
• M13: 8,178,366 km (0.12 R)
• M14: 9,670,306 km (0.053 R)
• M15: 10,132,563 km (0.068 R)
• M16: 10,448,962 km (0.086 R)
• M17: 11,134,719 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 9.4

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.57 AU - 3.41 AU

Year: 3392 Days

Day: 6.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,386,690 km

• M1: 116,986 km (0.079 R)
• M2: 423,362 km (0.113 R)
• M3: 761,603 km (0.098 R)
• M4: 1,294,919 km (0.073 R)
• M5: 1,705,266 km (0.084 R)
• M6: 2,037,972 km (0.105 R)
• M7: 2,867,791 km (0.094 R)
• M8: 4,023,884 km (0.071 R)
• M9: 4,387,406 km (0.106 R)
• M10: 6,600,707 km (0.097 R)
• M11: 7,520,285 km (0.101 R)
• M12: 8,010,966 km (0.107 R)
• M13: 9,970,698 km (0.071 R)
• M14: 10,906,882 km (0.071 R)
• M15: 11,982,490 km (0.081 R)
• M16: 13,391,253 km (0.092 R)
• M17: 13,884,478 km (0.092 R)
• M18: 14,529,693 km (0.037 R)
• M19: 14,859,856 km (0.108 R)
• M20: 16,280,886 km (0.105 R)
• M21: 17,897,889 km (0.112 R)
• M22: 18,222,816 km (0.111 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: 503 - 16,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit