🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.4

Radius: 9.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.66 AU - 1.08 AU

Year: 550 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,495,942 km

• M1: 119,080 km (0.063 R)
• M2: 439,818 km (0.065 R)
• M3: 769,980 km (0.068 R)
• M4: 1,331,571 km (0.049 R)
• M5: 1,686,866 km (0.099 R)
• M6: 2,422,738 km (0.057 R)
• M7: 2,771,749 km (0.052 R)
• M8: 3,077,228 km (0.098 R)
• M9: 3,596,333 km (0.079 R)
• M10: 4,406,106 km (0.102 R)
• M11: 4,929,399 km (0.067 R)
• M12: 5,348,722 km (0.062 R)

Asteroid Belt

Center: 1.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 12.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.77 AU - 2.05 AU

Year: 1790 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,495,942 km

• M1: 160,668 km (0.113 R)
• M2: 649,554 km (0.075 R)
• M3: 1,172,698 km (0.101 R)
• M4: 1,595,012 km (0.1 R)
• M5: 4,466,693 km (0.06 R)
• M6: 6,106,136 km (0.098 R)
• M7: 7,062,515 km (0.103 R)
• M8: 7,476,602 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.7

Radius: 9.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.75 AU - 2.57 AU

Year: 2153 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,495,942 km

• M1: 115,789 km (0.104 R)
• M2: 508,782 km (0.109 R)
• M3: 895,642 km (0.075 R)
• M4: 1,424,920 km (0.077 R)
• M5: 1,721,722 km (0.06 R)
• M6: 2,026,752 km (0.068 R)
• M7: 2,393,117 km (0.07 R)
• M8: 2,789,551 km (0.082 R)
• M9: 3,531,557 km (0.116 R)
• M10: 3,835,390 km (0.1 R)
• M11: 4,418,822 km (0.113 R)
• M12: 4,976,822 km (0.105 R)
• M13: 5,558,758 km (0.119 R)
• M14: 6,137,253 km (0.06 R)
• M15: 7,414,669 km (0.109 R)
• M16: 8,738,760 km (0.11 R)
• M17: 9,234,377 km (0.114 R)
• M18: 9,715,933 km (0.094 R)
• M19: 10,383,887 km (0.075 R)
• M20: 10,799,171 km (0.115 R)
• M21: 11,117,815 km (0.1 R)
• M22: 12,456,117 km (0.088 R)
• M23: 13,084,129 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 10

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.82 AU - 5.2 AU

Year: 7606 Days

Day: 8.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,495,942 km

• M1: 125,064 km (0.094 R)
• M2: 497,413 km (0.105 R)
• M3: 858,542 km (0.104 R)
• M4: 1,184,366 km (0.104 R)
• M5: 1,505,553 km (0.053 R)
• M6: 2,184,129 km (0.113 R)
• M7: 3,630,441 km (0.067 R)
• M8: 4,075,196 km (0.043 R)
• M9: 4,922,668 km (0.077 R)
• M10: 5,714,938 km (0.071 R)
• M11: 6,590,085 km (0.098 R)
• M12: 7,996,904 km (0.038 R)
• M13: 9,205,056 km (0.044 R)
• M14: 10,322,403 km (0.049 R)
• M15: 12,397,475 km (0.075 R)
• M16: 14,579,060 km (0.071 R)
• M17: 15,269,903 km (0.106 R)
• M18: 16,659,368 km (0.099 R)
• M19: 20,335,287 km (0.034 R)
• M20: 23,495,842 km (0.113 R)
• M21: 25,192,730 km (0.096 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: 390 - 19,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit