🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.01 AU - 1.13 AU

Year: 395 Days

Day: 41.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 1.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 40,615,930 km

• M1: 89,609 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.06 AU - 1.74 AU

Year: 590 Days

Day: 19.9 Hours

Environment

Temp: -3 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.8 AU - 3.1 AU

Year: 1806 Days

Day: 23.7 Hours

Environment

Temp: -97 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,615,930 km

• M1: 712,684 km (0.049 R)
• M2: 1,398,291 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.93 AU - 5.37 AU

Year: 4166 Days

Day: 30.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.49 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124

Radius: 3.2

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 11.49 AU - 16.17 AU

Year: 18333 Days

Day: 21.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,615,930 km

• M1: 42,635 km (0.105 R)
• M2: 160,967 km (0.114 R)
• M3: 264,788 km (0.079 R)
• M4: 471,832 km (0.082 R)
• M5: 1,295,966 km (0.025 R)
• M6: 1,948,662 km (0.115 R)
• M7: 4,583,529 km (0.106 R)
• M8: 5,517,768 km (0.1 R)
• M9: 6,149,220 km (0.1 R)
• M10: 6,938,948 km (0.092 R)
• M11: 7,633,531 km (0.102 R)
• M12: 12,686,049 km (0.073 R)
• M13: 15,695,210 km (0.112 R)
• M14: 17,157,829 km (0.105 R)
• M15: 19,818,427 km (0.096 R)
• M16: 26,851,471 km (0.055 R)
• M17: 28,548,360 km (0.103 R)
• M18: 29,032,160 km (0.057 R)
• M19: 33,957,221 km (0.1 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 12,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit