🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 11.8

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.54 AU - 0.66 AU

Year: 310 Days

Day: 12.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,043,321 km

• M1: 146,756 km (0.084 R)
• M2: 518,207 km (0.039 R)
• M3: 1,162,226 km (0.037 R)
• M4: 1,715,289 km (0.076 R)
• M5: 2,300,815 km (0.081 R)
• M6: 3,377,621 km (0.037 R)

Asteroid Belt

Center: 0.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.4

Radius: 11.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.22 AU - 1.36 AU

Year: 977 Days

Day: 13.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,043,321 km

• M1: 143,764 km (0.086 R)
• M2: 606,320 km (0.106 R)
• M3: 1,163,871 km (0.058 R)
• M4: 1,852,919 km (0.054 R)
• M5: 3,921,559 km (0.091 R)
• M6: 5,582,693 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 9.4

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.52 AU - 2.3 AU

Year: 1760 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,043,321 km

• M1: 117,285 km (0.082 R)
• M2: 412,890 km (0.093 R)
• M3: 851,212 km (0.119 R)
• M4: 1,551,031 km (0.079 R)
• M5: 2,485,269 km (0.032 R)
• M6: 3,052,096 km (0.047 R)
• M7: 4,586,222 km (0.042 R)
• M8: 5,603,787 km (0.12 R)
• M9: 8,294,005 km (0.11 R)
• M10: 10,324,347 km (0.052 R)
• M11: 12,299,937 km (0.077 R)
• M12: 13,633,901 km (0.044 R)
• M13: 14,470,303 km (0.092 R)
• M14: 14,969,960 km (0.076 R)
• M15: 15,669,629 km (0.045 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.6

Radius: 6.6

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.95 AU - 10.47 AU

Year: 21755 Days

Day: 16.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,043,321 km

• M1: 82,129 km (0.102 R)
• M2: 470,037 km (0.077 R)
• M3: 967,001 km (0.1 R)
• M4: 1,823,897 km (0.1 R)
• M5: 3,292,051 km (0.081 R)
• M6: 5,683,373 km (0.065 R)
• M7: 6,001,119 km (0.088 R)
• M8: 8,722,753 km (0.109 R)
• M9: 9,307,980 km (0.045 R)
• M10: 11,345,054 km (0.079 R)
• M11: 14,523,859 km (0.081 R)
• M12: 17,742,756 km (0.079 R)
• M13: 18,768,100 km (0.081 R)
• M14: 19,741,982 km (0.12 R)
• M15: 22,177,286 km (0.086 R)
• M16: 25,977,969 km (0.059 R)
• M17: 28,317,231 km (0.062 R)
• M18: 33,282,385 km (0.101 R)
• M19: 35,768,103 km (0.106 R)
• M20: 38,374,846 km (0.099 R)
• M21: 40,229,710 km (0.084 R)
• M22: 44,426,229 km (0.111 R)
• M23: 51,083,783 km (0.079 R)
• M24: 53,325,956 km (0.084 R)
• M25: 60,444,720 km (0.062 R)
• M26: 61,593,183 km (0.072 R)
• M27: 67,965,454 km (0.112 R)
• M28: 68,171,301 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 11,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit