🌌 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: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.52 AU - 0.6 AU

Year: 155 Days

Day: 26.5 Hours

Environment

Temp: 223 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 67,436,908 km

• M1: 141,520 km (0.082 R)
• M2: 369,208 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.66 AU - 1.02 AU

Year: 284 Days

Day: 44.8 Hours

Environment

Temp: 170 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,436,908 km

• M1: 31,715 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.77 AU - 0.97 AU

Year: 299 Days

Day: 29.9 Hours

Environment

Temp: 167 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.29 AU - 1.31 AU

Year: 547 Days

Day: 43.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 27.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 67,436,908 km

• M1: 269,127 km (0.093 R)
• M2: 300,542 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.61 AU - 2.23 AU

Year: 982 Days

Day: 23.7 Hours

Environment

Temp: -60 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.87 AU - 3.09 AU

Year: 1441 Days

Day: 41.6 Hours

Environment

Temp: -84 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.2

Radius: 8

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 12.1 AU - 12.18 AU

Year: 15606 Days

Day: 5.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,436,908 km

• M1: 100,231 km (0.038 R)
• M2: 380,577 km (0.062 R)
• M3: 1,018,761 km (0.09 R)
• M4: 1,708,108 km (0.102 R)
• M5: 2,204,175 km (0.114 R)
• M6: 2,888,735 km (0.075 R)
• M7: 3,189,127 km (0.096 R)
• M8: 3,882,663 km (0.101 R)
• M9: 4,155,679 km (0.07 R)
• M10: 5,305,189 km (0.073 R)
• M11: 6,154,157 km (0.111 R)
• M12: 6,611,179 km (0.099 R)
• M13: 7,453,714 km (0.109 R)
• M14: 9,137,438 km (0.101 R)
• M15: 9,622,434 km (0.107 R)
• M16: 12,504,437 km (0.069 R)
• M17: 15,610,388 km (0.035 R)
• M18: 16,303,625 km (0.101 R)
• M19: 20,171,328 km (0.072 R)
• M20: 23,795,187 km (0.105 R)
• M21: 29,892,946 km (0.116 R)
• M22: 30,483,259 km (0.095 R)
• M23: 50,675,980 km (0.113 R)
• M24: 62,896,630 km (0.112 R)
• M25: 65,635,168 km (0.087 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 18,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit