🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.5 AU - 0.6 AU

Year: 155 Days

Day: 15.8 Hours

Environment

Temp: 224 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.8

Radius: 12.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.56 AU - 5.04 AU

Year: 4005 Days

Day: 7.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 174.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,271,555 km

• M1: 151,692 km (0.058 R)
• M2: 727,943 km (0.099 R)
• M3: 1,492,388 km (0.107 R)
• M4: 2,035,279 km (0.074 R)
• M5: 2,876,318 km (0.067 R)
• M6: 3,809,510 km (0.081 R)
• M7: 4,381,422 km (0.099 R)
• M8: 5,698,183 km (0.112 R)
• M9: 6,722,928 km (0.118 R)
• M10: 7,394,473 km (0.12 R)
• M11: 8,251,819 km (0.09 R)
• M12: 10,706,420 km (0.061 R)
• M13: 12,974,025 km (0.037 R)
• M14: 14,952,606 km (0.106 R)
• M15: 16,720,255 km (0.052 R)
• M16: 17,536,012 km (0.074 R)
• M17: 18,074,265 km (0.098 R)
• M18: 18,933,406 km (0.075 R)
• M19: 21,606,420 km (0.114 R)
• M20: 23,426,578 km (0.071 R)
• M21: 25,422,513 km (0.107 R)

Planet 3 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.8

Radius: 6.7

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 14.06 AU - 20.62 AU

Year: 27496 Days

Day: 18 Hours

Environment

Temp: -195 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,271,555 km

• M1: 83,326 km (0.12 R)
• M2: 588,967 km (0.097 R)
• M3: 956,978 km (0.104 R)
• M4: 1,580,202 km (0.105 R)
• M5: 2,276,132 km (0.075 R)
• M6: 2,578,618 km (0.063 R)
• M7: 5,467,054 km (0.084 R)
• M8: 9,782,205 km (0.081 R)
• M9: 14,446,816 km (0.039 R)
• M10: 17,625,322 km (0.104 R)
• M11: 18,465,912 km (0.048 R)
• M12: 18,896,006 km (0.082 R)
• M13: 19,509,507 km (0.096 R)
• M14: 21,241,402 km (0.051 R)
• M15: 22,096,503 km (0.095 R)
• M16: 38,931,649 km (0.096 R)
• M17: 46,393,441 km (0.059 R)
• M18: 47,830,628 km (0.119 R)
• M19: 54,577,941 km (0.083 R)
• M20: 66,648,095 km (0.105 R)
• M21: 67,659,676 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 14,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit