🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.01 AU - 1.03 AU

Year: 360 Days

Day: 46.7 Hours

Environment

Temp: 141 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,563,869 km

• M1: 177,573 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.86 AU - 1.34 AU

Year: 404 Days

Day: 43.7 Hours

Environment

Temp: 115 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.73 AU - 2.77 AU

Year: 1595 Days

Day: 16.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,563,869 km

• M1: 1,237,174 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.53 AU - 5.25 AU

Year: 3783 Days

Day: 47.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.9

Radius: 4.3

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 11.27 AU - 16.25 AU

Year: 17857 Days

Day: 19.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,563,869 km

• M1: 56,099 km (0.111 R)
• M2: 213,775 km (0.062 R)
• M3: 525,687 km (0.046 R)
• M4: 1,323,492 km (0.12 R)
• M5: 1,510,340 km (0.109 R)
• M6: 1,714,691 km (0.084 R)
• M7: 1,953,898 km (0.12 R)
• M8: 3,048,805 km (0.12 R)
• M9: 3,857,231 km (0.113 R)
• M10: 4,528,776 km (0.114 R)
• M11: 9,419,580 km (0.058 R)
• M12: 13,040,895 km (0.107 R)
• M13: 17,346,920 km (0.086 R)
• M14: 19,305,755 km (0.101 R)
• M15: 22,860,799 km (0.108 R)
• M16: 23,389,178 km (0.109 R)
• M17: 23,656,360 km (0.11 R)
• M18: 27,713,155 km (0.043 R)
• M19: 34,458,224 km (0.076 R)
• M20: 35,620,450 km (0.092 R)
• M21: 40,147,880 km (0.119 R)
• M22: 43,549,137 km (0.09 R)
• M23: 44,769,856 km (0.098 R)
• M24: 45,319,628 km (0.075 R)
• M25: 46,996,021 km (0.106 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 16,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit