🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.4

Radius: 14.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.47 AU - 0.67 AU

Year: 297 Days

Day: 9.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,776,773 km

• M1: 185,352 km (0.115 R)
• M2: 661,821 km (0.08 R)
• M3: 1,157,588 km (0.092 R)
• M4: 1,678,339 km (0.118 R)
• M5: 2,189,664 km (0.106 R)
• M6: 2,732,256 km (0.074 R)
• M7: 3,270,060 km (0.038 R)
• M8: 3,739,648 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.2

Radius: 8.3

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.68 AU - 0.83 AU

Year: 448 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,776,773 km

• M1: 103,223 km (0.056 R)
• M2: 367,712 km (0.114 R)
• M3: 649,853 km (0.111 R)
• M4: 1,329,775 km (0.111 R)
• M5: 1,768,097 km (0.096 R)
• M6: 2,157,800 km (0.099 R)
• M7: 2,544,959 km (0.098 R)
• M8: 3,132,879 km (0.052 R)
• M9: 3,399,312 km (0.09 R)
• M10: 3,821,178 km (0.08 R)
• M11: 4,153,435 km (0.093 R)
• M12: 4,710,239 km (0.117 R)
• M13: 5,014,521 km (0.114 R)
• M14: 5,645,973 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.3

Radius: 9.7

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.86 AU - 1.28 AU

Year: 764 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,776,773 km

• M1: 120,576 km (0.091 R)
• M2: 457,620 km (0.059 R)
• M3: 787,034 km (0.109 R)
• M4: 1,092,513 km (0.105 R)
• M5: 1,517,970 km (0.058 R)
• M6: 1,956,890 km (0.115 R)
• M7: 2,402,392 km (0.083 R)
• M8: 2,902,199 km (0.079 R)
• M9: 3,818,486 km (0.119 R)
• M10: 4,880,930 km (0.092 R)
• M11: 5,471,542 km (0.039 R)
• M12: 6,684,631 km (0.119 R)
• M13: 7,460,595 km (0.11 R)
• M14: 8,194,074 km (0.065 R)
• M15: 8,814,905 km (0.04 R)
• M16: 9,245,896 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.5

Radius: 12.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.14 AU - 1.5 AU

Year: 1047 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,776,773 km

• M1: 160,519 km (0.069 R)
• M2: 745,446 km (0.047 R)
• M3: 1,337,854 km (0.117 R)
• M4: 1,763,310 km (0.046 R)
• M5: 3,899,119 km (0.086 R)
• M6: 4,741,804 km (0.065 R)
• M7: 5,930,508 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967

Radius: 11.6

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.2 AU - 1.82 AU

Year: 1281 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,776,773 km

• M1: 144,212 km (0.051 R)
• M2: 583,132 km (0.099 R)
• M3: 1,181,973 km (0.082 R)
• M4: 1,676,992 km (0.109 R)
• M5: 2,320,562 km (0.077 R)
• M6: 2,864,500 km (0.114 R)
• M7: 3,258,092 km (0.112 R)
• M8: 3,654,826 km (0.116 R)
• M9: 4,191,882 km (0.077 R)
• M10: 5,577,906 km (0.099 R)
• M11: 6,078,461 km (0.119 R)
• M12: 6,834,678 km (0.118 R)
• M13: 7,196,256 km (0.082 R)
• M14: 7,818,134 km (0.101 R)
• M15: 8,954,330 km (0.088 R)
• M16: 10,912,865 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 8.3

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.38 AU - 5.4 AU

Year: 6349 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,776,773 km

• M1: 347,366 km (0.105 R)
• M2: 714,479 km (0.044 R)
• M3: 1,352,514 km (0.115 R)
• M4: 2,013,288 km (0.081 R)
• M5: 2,887,389 km (0.104 R)
• M6: 4,274,460 km (0.105 R)
• M7: 4,953,634 km (0.088 R)
• M8: 5,298,607 km (0.033 R)
• M9: 8,041,783 km (0.063 R)
• M10: 8,721,107 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 12

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.98 AU - 5.64 AU

Year: 7282 Days

Day: 8.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,776,773 km

• M1: 152,739 km (0.094 R)
• M2: 2,182,334 km (0.034 R)
• M3: 2,586,846 km (0.099 R)
• M4: 3,288,760 km (0.111 R)
• M5: 4,764,991 km (0.119 R)
• M6: 5,666,319 km (0.108 R)
• M7: 6,174,353 km (0.105 R)
• M8: 8,156,674 km (0.084 R)
• M9: 9,401,478 km (0.111 R)
• M10: 10,673,958 km (0.112 R)
• M11: 11,600,567 km (0.072 R)
• M12: 13,226,696 km (0.069 R)
• M13: 17,581,939 km (0.119 R)
• M14: 18,596,511 km (0.069 R)
• M15: 20,965,543 km (0.103 R)
• M16: 23,287,901 km (0.063 R)
• M17: 24,181,000 km (0.079 R)
• M18: 30,025,190 km (0.074 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 17,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit