🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.1

Radius: 13

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.57 AU - 0.87 AU

Year: 414 Days

Day: 7.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,598,246 km

• M1: 161,715 km (0.089 R)
• M2: 603,478 km (0.084 R)
• M3: 1,015,770 km (0.105 R)
• M4: 1,444,816 km (0.065 R)
• M5: 2,042,609 km (0.106 R)
• M6: 2,521,023 km (0.095 R)
• M7: 2,965,179 km (0.082 R)
• M8: 4,453,379 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.4

Radius: 14.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.9 AU - 0.98 AU

Year: 618 Days

Day: 11.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,598,246 km

• M1: 184,305 km (0.104 R)
• M2: 673,190 km (0.066 R)
• M3: 1,200,373 km (0.079 R)
• M4: 1,822,850 km (0.109 R)
• M5: 2,596,421 km (0.069 R)
• M6: 3,403,501 km (0.032 R)
• M7: 4,226,289 km (0.115 R)
• M8: 4,915,786 km (0.075 R)
• M9: 5,969,404 km (0.075 R)
• M10: 6,779,177 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.6

Radius: 10.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.02 AU - 1.32 AU

Year: 858 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,598,246 km

• M1: 127,009 km (0.085 R)
• M2: 455,376 km (0.064 R)
• M3: 875,447 km (0.037 R)
• M4: 1,461,571 km (0.102 R)
• M5: 2,605,546 km (0.115 R)
• M6: 4,741,953 km (0.061 R)
• M7: 6,945,081 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.6

Radius: 10.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.14 AU - 1.9 AU

Year: 1271 Days

Day: 8.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,598,246 km

• M1: 127,158 km (0.094 R)
• M2: 514,617 km (0.115 R)
• M3: 849,417 km (0.088 R)
• M4: 1,909,766 km (0.071 R)
• M5: 2,349,584 km (0.106 R)
• M6: 2,893,372 km (0.089 R)
• M7: 3,215,756 km (0.037 R)
• M8: 3,634,480 km (0.078 R)
• M9: 4,950,343 km (0.052 R)
• M10: 5,472,141 km (0.119 R)
• M11: 5,927,816 km (0.113 R)
• M12: 6,892,722 km (0.077 R)
• M13: 8,808,771 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24

Radius: 8.6

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.81 AU - 2.31 AU

Year: 2005 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,598,246 km

• M1: 108,159 km (0.097 R)
• M2: 586,872 km (0.057 R)
• M3: 1,461,870 km (0.056 R)
• M4: 1,859,801 km (0.087 R)
• M5: 2,427,973 km (0.09 R)
• M6: 2,823,809 km (0.1 R)
• M7: 3,140,209 km (0.118 R)
• M8: 4,737,465 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 14

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.54 AU - 3.3 AU

Year: 3384 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,598,246 km

• M1: 182,659 km (0.119 R)
• M2: 709,393 km (0.082 R)
• M3: 1,280,259 km (0.108 R)
• M4: 1,741,469 km (0.067 R)
• M5: 3,106,101 km (0.056 R)
• M6: 5,356,801 km (0.12 R)
• M7: 7,319,973 km (0.109 R)
• M8: 11,020,277 km (0.088 R)
• M9: 12,192,675 km (0.092 R)
• M10: 12,954,577 km (0.097 R)
• M11: 13,951,348 km (0.085 R)
• M12: 14,838,164 km (0.098 R)
• M13: 15,377,315 km (0.102 R)
• M14: 15,985,280 km (0.097 R)
• M15: 18,271,585 km (0.117 R)
• M16: 18,766,155 km (0.113 R)
• M17: 20,568,361 km (0.107 R)
• M18: 25,269,025 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.9

Radius: 14.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.79 AU - 4.21 AU

Year: 4441 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,598,246 km

• M1: 181,761 km (0.087 R)
• M2: 669,002 km (0.115 R)
• M3: 1,604,288 km (0.067 R)
• M4: 2,548,998 km (0.103 R)
• M5: 4,263,240 km (0.12 R)
• M6: 5,614,258 km (0.037 R)
• M7: 6,343,698 km (0.1 R)
• M8: 7,201,492 km (0.112 R)
• M9: 7,815,591 km (0.053 R)
• M10: 8,538,747 km (0.116 R)
• M11: 9,032,420 km (0.096 R)
• M12: 10,414,854 km (0.06 R)
• M13: 11,655,768 km (0.079 R)
• M14: 12,169,338 km (0.046 R)
• M15: 13,802,049 km (0.094 R)
• M16: 21,322,484 km (0.067 R)
• M17: 23,687,925 km (0.073 R)
• M18: 25,985,898 km (0.095 R)
• M19: 26,542,851 km (0.077 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: 418 - 12,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit