🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.21 AU - 3.23 AU

Year: 1577 Days

Day: 24.7 Hours

Environment

Temp: -84 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,612,869 km

• M1: 621,430 km (0.03 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.2

Radius: 10.3

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.73 AU - 8.39 AU

Year: 6593 Days

Day: 7.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,612,869 km

• M1: 128,056 km (0.112 R)
• M2: 589,864 km (0.101 R)
• M3: 1,025,493 km (0.107 R)
• M4: 1,507,498 km (0.109 R)
• M5: 2,201,033 km (0.108 R)
• M6: 3,156,665 km (0.071 R)
• M7: 4,139,223 km (0.114 R)
• M8: 4,937,478 km (0.068 R)
• M9: 5,403,475 km (0.099 R)
• M10: 5,866,929 km (0.116 R)
• M11: 6,803,113 km (0.077 R)
• M12: 7,644,152 km (0.117 R)
• M13: 10,396,454 km (0.077 R)
• M14: 11,561,522 km (0.101 R)
• M15: 13,413,693 km (0.099 R)
• M16: 13,750,139 km (0.114 R)
• M17: 15,212,607 km (0.09 R)
• M18: 15,950,275 km (0.048 R)
• M19: 16,711,578 km (0.112 R)
• M20: 19,783,870 km (0.118 R)
• M21: 22,341,395 km (0.11 R)
• M22: 23,699,444 km (0.094 R)
• M23: 24,191,621 km (0.1 R)
• M24: 25,795,310 km (0.095 R)
• M25: 28,933,126 km (0.1 R)
• M26: 33,844,573 km (0.066 R)
• M27: 34,468,845 km (0.09 R)
• M28: 35,633,465 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 13.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.66 AU - 8.2 AU

Year: 7118 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,612,869 km

• M1: 163,660 km (0.095 R)
• M2: 739,911 km (0.098 R)
• M3: 1,258,118 km (0.099 R)
• M4: 2,990,013 km (0.115 R)
• M5: 3,765,079 km (0.033 R)
• M6: 7,758,445 km (0.105 R)
• M7: 8,715,123 km (0.106 R)
• M8: 11,450,969 km (0.086 R)
• M9: 12,478,108 km (0.108 R)
• M10: 16,753,466 km (0.113 R)
• M11: 19,468,218 km (0.093 R)
• M12: 21,155,532 km (0.06 R)
• M13: 24,402,255 km (0.051 R)
• M14: 28,332,939 km (0.092 R)
• M15: 34,413,644 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.6

Radius: 14.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 11.06 AU - 11.94 AU

Year: 13706 Days

Day: 14.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,612,869 km

• M1: 181,612 km (0.098 R)
• M2: 713,881 km (0.066 R)
• M3: 1,269,338 km (0.071 R)
• M4: 1,811,481 km (0.092 R)
• M5: 2,593,279 km (0.099 R)
• M6: 3,044,616 km (0.088 R)
• M7: 4,993,577 km (0.097 R)
• M8: 7,314,887 km (0.093 R)
• M9: 8,575,698 km (0.087 R)
• M10: 9,761,560 km (0.101 R)
• M11: 11,008,010 km (0.113 R)
• M12: 13,761,807 km (0.104 R)
• M13: 16,455,467 km (0.074 R)
• M14: 18,744,015 km (0.112 R)
• M15: 23,094,620 km (0.075 R)
• M16: 25,955,829 km (0.087 R)
• M17: 26,622,437 km (0.057 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 11,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit