🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.6 AU - 0.7 AU

Year: 338 Days

Day: 18.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 142.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.2

Radius: 11.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.86 AU - 0.9 AU

Year: 533 Days

Day: 11.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,461,090 km

• M1: 143,165 km (0.091 R)
• M2: 619,934 km (0.115 R)
• M3: 1,034,619 km (0.11 R)
• M4: 1,394,402 km (0.058 R)
• M5: 1,963,472 km (0.109 R)
• M6: 2,399,400 km (0.062 R)
• M7: 2,768,608 km (0.104 R)
• M8: 3,163,995 km (0.093 R)
• M9: 3,649,440 km (0.086 R)
• M10: 4,661,470 km (0.052 R)
• M11: 5,141,679 km (0.096 R)
• M12: 5,601,991 km (0.107 R)
• M13: 5,997,379 km (0.107 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.8

Radius: 7.6

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.9 AU - 7.08 AU

Year: 11932 Days

Day: 15.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,461,090 km

• M1: 102,624 km (0.041 R)
• M2: 356,941 km (0.116 R)
• M3: 774,468 km (0.086 R)
• M4: 1,102,836 km (0.084 R)
• M5: 1,340,397 km (0.079 R)
• M6: 1,722,171 km (0.072 R)
• M7: 2,232,000 km (0.086 R)
• M8: 2,554,084 km (0.078 R)
• M9: 2,953,511 km (0.07 R)
• M10: 3,576,586 km (0.043 R)
• M11: 4,436,474 km (0.115 R)
• M12: 4,849,215 km (0.089 R)
• M13: 5,862,441 km (0.12 R)
• M14: 7,137,015 km (0.067 R)
• M15: 8,021,887 km (0.074 R)
• M16: 9,586,980 km (0.028 R)
• M17: 11,757,046 km (0.06 R)
• M18: 23,059,315 km (0.06 R)
• M19: 23,529,800 km (0.099 R)
• M20: 26,488,846 km (0.046 R)
• M21: 31,149,568 km (0.108 R)
• M22: 42,474,875 km (0.1 R)
• M23: 42,756,717 km (0.047 R)
• M24: 44,765,218 km (0.104 R)
• M25: 45,497,500 km (0.04 R)
• M26: 47,438,831 km (0.105 R)
• M27: 48,047,096 km (0.08 R)
• M28: 51,007,488 km (0.116 R)
• M29: 54,751,325 km (0.07 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: 241 - 10,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit