🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.3

Radius: 14

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.49 AU - 0.59 AU

Year: 274 Days

Day: 9.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,912,317 km

• M1: 174,132 km (0.088 R)
• M2: 638,185 km (0.084 R)
• M3: 1,282,951 km (0.098 R)
• M4: 1,763,908 km (0.099 R)
• M5: 2,649,378 km (0.083 R)
• M6: 3,970,926 km (0.074 R)
• M7: 4,696,476 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.2

Radius: 11.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 14.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,912,317 km

• M1: 145,559 km (0.118 R)
• M2: 510,428 km (0.068 R)
• M3: 897,288 km (0.085 R)
• M4: 1,284,597 km (0.07 R)
• M5: 1,696,889 km (0.062 R)
• M6: 2,219,584 km (0.096 R)
• M7: 2,925,087 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.8

Radius: 14.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.6 AU - 0.68 AU

Year: 353 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,912,317 km

• M1: 180,415 km (0.044 R)
• M2: 701,913 km (0.059 R)
• M3: 1,442,123 km (0.109 R)
• M4: 1,971,251 km (0.039 R)
• M5: 2,999,737 km (0.05 R)
• M6: 3,668,589 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.2

Radius: 7.9

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.99 AU - 9.35 AU

Year: 14662 Days

Day: 16.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,912,317 km

• M1: 98,286 km (0.072 R)
• M2: 452,982 km (0.082 R)
• M3: 935,435 km (0.117 R)
• M4: 1,236,726 km (0.112 R)
• M5: 1,633,758 km (0.094 R)
• M6: 2,684,833 km (0.068 R)
• M7: 3,458,703 km (0.119 R)
• M8: 4,435,427 km (0.118 R)
• M9: 4,853,853 km (0.084 R)
• M10: 6,151,165 km (0.115 R)
• M11: 7,049,500 km (0.099 R)
• M12: 13,674,891 km (0.082 R)
• M13: 15,269,305 km (0.078 R)
• M14: 20,439,108 km (0.072 R)
• M15: 26,458,927 km (0.102 R)
• M16: 46,826,826 km (0.1 R)
• M17: 48,365,440 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 19,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit