🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.45 AU - 0.61 AU

Year: 142 Days

Day: 21.7 Hours

Environment

Temp: 188 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,665,666 km

• M1: 17,952 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.55 AU - 0.87 AU

Year: 221 Days

Day: 16.1 Hours

Environment

Temp: 134 °C

Axial Tilt: 45.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,665,666 km

• M1: 22,140 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.67 AU - 0.89 AU

Year: 254 Days

Day: 34.9 Hours

Environment

Temp: 181 °C

Axial Tilt: 7.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.14 AU - 1.56 AU

Year: 579 Days

Day: 46.7 Hours

Environment

Temp: -20 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.82 AU - 2.42 AU

Year: 1139 Days

Day: 16 Hours

Environment

Temp: -66 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.4

Radius: 4.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 12.09 AU - 19.31 AU

Year: 22952 Days

Day: 24.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,665,666 km

• M1: 58,493 km (0.116 R)
• M2: 383,270 km (0.065 R)
• M3: 633,996 km (0.072 R)
• M4: 940,372 km (0.119 R)
• M5: 1,401,582 km (0.076 R)
• M6: 1,755,082 km (0.111 R)
• M7: 2,523,267 km (0.061 R)
• M8: 3,131,831 km (0.09 R)
• M9: 3,309,554 km (0.067 R)
• M10: 7,981,346 km (0.12 R)
• M11: 8,146,502 km (0.07 R)
• M12: 11,005,616 km (0.076 R)
• M13: 13,867,723 km (0.044 R)
• M14: 16,849,208 km (0.106 R)
• M15: 31,472,998 km (0.055 R)
• M16: 34,764,301 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 20,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit