🌌 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: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.49 AU - 0.61 AU

Year: 154 Days

Day: 45.7 Hours

Environment

Temp: 174 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.56 AU - 0.82 AU

Year: 217 Days

Day: 29.5 Hours

Environment

Temp: 101 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,441,040 km

• M1: 44,730 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.72 AU - 1.06 AU

Year: 318 Days

Day: 13 Hours

Environment

Temp: 19 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 32,441,040 km

• M1: 86,767 km (0.087 R)
• M2: 857,345 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.89 AU - 1.05 AU

Year: 362 Days

Day: 30.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,441,040 km

• M1: 95,743 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.34 AU - 1.52 AU

Year: 648 Days

Day: 14.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.77 AU - 2.09 AU

Year: 1016 Days

Day: 23.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,441,040 km

• M1: 79,586 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.3

Radius: 12.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.58 AU - 11.08 AU

Year: 12575 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,441,040 km

• M1: 161,715 km (0.097 R)
• M2: 1,064,987 km (0.098 R)
• M3: 1,602,193 km (0.118 R)
• M4: 2,208,663 km (0.113 R)
• M5: 2,636,214 km (0.108 R)
• M6: 3,531,108 km (0.093 R)
• M7: 4,002,641 km (0.038 R)
• M8: 4,991,333 km (0.118 R)
• M9: 6,327,392 km (0.115 R)
• M10: 11,278,632 km (0.101 R)
• M11: 12,308,165 km (0.075 R)
• M12: 13,186,903 km (0.114 R)
• M13: 14,106,930 km (0.082 R)
• M14: 19,155,858 km (0.106 R)
• M15: 20,620,271 km (0.074 R)
• M16: 21,637,088 km (0.096 R)
• M17: 27,401,992 km (0.064 R)
• M18: 30,728,899 km (0.086 R)
• M19: 32,441,046 km (0.085 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 17,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit