🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844

Radius: 11

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.25 AU - 1.39 AU

Year: 1047 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,855,232 km

• M1: 136,882 km (0.109 R)
• M2: 816,056 km (0.056 R)
• M3: 1,248,843 km (0.112 R)
• M4: 1,632,711 km (0.097 R)
• M5: 2,023,311 km (0.118 R)
• M6: 2,394,464 km (0.114 R)
• M7: 2,811,393 km (0.103 R)
• M8: 4,276,106 km (0.084 R)
• M9: 6,129,922 km (0.109 R)
• M10: 6,538,325 km (0.112 R)
• M11: 6,964,978 km (0.102 R)
• M12: 8,440,312 km (0.095 R)
• M13: 9,033,168 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.1

Radius: 11.1

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.45 AU - 1.51 AU

Year: 1243 Days

Day: 12.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,855,232 km

• M1: 138,079 km (0.064 R)
• M2: 575,353 km (0.053 R)
• M3: 1,823,598 km (0.077 R)
• M4: 2,189,066 km (0.041 R)
• M5: 2,683,636 km (0.106 R)
• M6: 3,622,064 km (0.103 R)
• M7: 4,546,878 km (0.048 R)
• M8: 5,584,040 km (0.073 R)
• M9: 7,218,696 km (0.069 R)
• M10: 8,447,193 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.5

Radius: 13.2

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.46 AU - 2.58 AU

Year: 2761 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,855,232 km

• M1: 164,109 km (0.065 R)
• M2: 1,036,713 km (0.096 R)
• M3: 1,547,291 km (0.078 R)
• M4: 2,096,764 km (0.088 R)
• M5: 4,135,633 km (0.03 R)
• M6: 4,557,798 km (0.106 R)
• M7: 5,062,990 km (0.11 R)
• M8: 6,290,740 km (0.086 R)
• M9: 6,963,631 km (0.082 R)
• M10: 7,376,073 km (0.106 R)
• M11: 9,057,553 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.4

Radius: 3.1

Gravity: 30.43 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.49 AU - 8.27 AU

Year: 15269 Days

Day: 23.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,855,232 km

• M1: 39,045 km (0.055 R)
• M2: 230,830 km (0.114 R)
• M3: 1,157,140 km (0.102 R)
• M4: 1,342,491 km (0.114 R)
• M5: 1,820,157 km (0.076 R)
• M6: 2,088,685 km (0.105 R)
• M7: 2,288,099 km (0.105 R)
• M8: 3,657,668 km (0.095 R)
• M9: 3,866,955 km (0.078 R)
• M10: 4,602,378 km (0.081 R)
• M11: 6,878,959 km (0.038 R)
• M12: 7,117,119 km (0.037 R)
• M13: 10,418,744 km (0.111 R)
• M14: 10,945,478 km (0.095 R)
• M15: 12,456,267 km (0.105 R)
• M16: 13,910,956 km (0.106 R)
• M17: 14,484,515 km (0.059 R)
• M18: 14,809,890 km (0.057 R)
• M19: 18,640,044 km (0.048 R)
• M20: 23,703,633 km (0.1 R)
• M21: 31,525,956 km (0.111 R)
• M22: 34,434,139 km (0.076 R)
• M23: 42,079,787 km (0.049 R)
• M24: 42,741,608 km (0.066 R)
• M25: 43,141,932 km (0.045 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: 251 - 15,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit