🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.9

Radius: 11.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.66 AU - 0.9 AU

Year: 445 Days

Day: 13.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,579,105 km

• M1: 144,811 km (0.087 R)
• M2: 577,597 km (0.068 R)
• M3: 946,057 km (0.09 R)
• M4: 1,307,785 km (0.082 R)
• M5: 1,757,027 km (0.118 R)
• M6: 2,909,529 km (0.096 R)
• M7: 3,389,738 km (0.102 R)
• M8: 4,279,995 km (0.065 R)
• M9: 4,811,217 km (0.102 R)
• M10: 5,319,850 km (0.083 R)
• M11: 5,811,728 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.3

Radius: 14.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.72 AU - 1.18 AU

Year: 598 Days

Day: 9.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,579,105 km

• M1: 185,202 km (0.04 R)
• M2: 647,310 km (0.05 R)
• M3: 1,141,581 km (0.04 R)
• M4: 1,728,304 km (0.075 R)
• M5: 2,229,457 km (0.05 R)
• M6: 2,690,069 km (0.095 R)
• M7: 3,702,697 km (0.08 R)
• M8: 4,168,245 km (0.102 R)
• M9: 4,892,898 km (0.104 R)
• M10: 5,594,811 km (0.082 R)
• M11: 6,595,471 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.1

Radius: 14

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.04 AU - 1.14 AU

Year: 735 Days

Day: 14.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,579,105 km

• M1: 174,132 km (0.05 R)
• M2: 666,309 km (0.081 R)
• M3: 1,146,069 km (0.114 R)
• M4: 1,721,572 km (0.116 R)
• M5: 2,249,802 km (0.119 R)
• M6: 2,768,458 km (0.058 R)
• M7: 3,222,488 km (0.065 R)
• M8: 3,740,844 km (0.105 R)
• M9: 4,236,163 km (0.086 R)
• M10: 4,826,476 km (0.067 R)
• M11: 6,072,477 km (0.064 R)
• M12: 6,934,908 km (0.086 R)
• M13: 7,781,932 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.1

Radius: 12

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.25 AU - 1.49 AU

Year: 1035 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,579,105 km

• M1: 152,291 km (0.078 R)
• M2: 525,986 km (0.092 R)
• M3: 1,060,948 km (0.084 R)
• M4: 1,962,425 km (0.05 R)
• M5: 2,584,602 km (0.095 R)
• M6: 3,262,281 km (0.104 R)
• M7: 4,242,446 km (0.118 R)
• M8: 4,726,694 km (0.032 R)
• M9: 5,128,664 km (0.114 R)
• M10: 5,958,184 km (0.074 R)
• M11: 6,899,005 km (0.084 R)
• M12: 9,975,036 km (0.071 R)
• M13: 11,132,326 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.1

Radius: 13.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.67 AU - 2.25 AU

Year: 1772 Days

Day: 7.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,579,105 km

• M1: 169,345 km (0.114 R)
• M2: 643,271 km (0.048 R)
• M3: 1,074,262 km (0.113 R)
• M4: 1,749,098 km (0.102 R)
• M5: 2,380,850 km (0.109 R)
• M6: 2,879,161 km (0.094 R)
• M7: 3,750,119 km (0.069 R)
• M8: 4,276,405 km (0.052 R)
• M9: 5,105,027 km (0.097 R)
• M10: 5,684,420 km (0.086 R)
• M11: 6,135,158 km (0.101 R)
• M12: 6,635,563 km (0.103 R)
• M13: 9,396,541 km (0.088 R)
• M14: 10,513,589 km (0.11 R)
• M15: 11,491,809 km (0.106 R)
• M16: 12,061,029 km (0.11 R)
• M17: 12,929,744 km (0.083 R)
• M18: 13,545,788 km (0.089 R)
• M19: 14,181,429 km (0.111 R)
• M20: 14,836,668 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 8.7

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.24 AU - 2.26 AU

Year: 2179 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 15,579,105 km

• M1: 108,159 km (0.12 R)
• M2: 408,253 km (0.089 R)
• M3: 761,004 km (0.042 R)
• M4: 1,032,973 km (0.095 R)
• M5: 1,583,493 km (0.078 R)
• M6: 2,622,750 km (0.117 R)
• M7: 2,954,259 km (0.097 R)
• M8: 3,757,599 km (0.114 R)
• M9: 4,101,226 km (0.107 R)
• M10: 4,549,870 km (0.114 R)
• M11: 5,283,797 km (0.094 R)
• M12: 5,790,485 km (0.094 R)
• M13: 6,789,649 km (0.098 R)
• M14: 7,777,294 km (0.108 R)
• M15: 8,562,384 km (0.094 R)
• M16: 9,927,315 km (0.083 R)
• M17: 10,699,240 km (0.056 R)
• M18: 11,080,565 km (0.092 R)
• M19: 12,238,153 km (0.084 R)
• M20: 13,212,035 km (0.099 R)
• M21: 16,193,371 km (0.119 R)
• M22: 16,696,469 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.4

Radius: 13.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.57 AU - 4.17 AU

Year: 3994 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,579,105 km

• M1: 177,423 km (0.095 R)
• M2: 923,468 km (0.093 R)
• M3: 1,658,143 km (0.092 R)
• M4: 2,514,591 km (0.048 R)
• M5: 3,683,100 km (0.092 R)
• M6: 4,361,227 km (0.112 R)
• M7: 6,065,146 km (0.107 R)
• M8: 9,834,115 km (0.096 R)
• M9: 12,012,559 km (0.068 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 17,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit