🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.48 AU - 0.56 AU

Year: 140 Days

Day: 36.1 Hours

Environment

Temp: 170 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.22 AU - 1.5 AU

Year: 591 Days

Day: 16.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,194,369 km

• M1: 37,549 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.61 AU - 2.55 AU

Year: 1118 Days

Day: 17.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.34 AU - 2.8 AU

Year: 1536 Days

Day: 27.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,194,369 km

• M1: 64,327 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.36 AU - 3.2 AU

Year: 1728 Days

Day: 35.6 Hours

Environment

Temp: -105 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.93 AU - 4.21 AU

Year: 2515 Days

Day: 42 Hours

Environment

Temp: -113 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.3

Radius: 9.3

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.74 AU - 4.8 AU

Year: 3884 Days

Day: 6.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,194,369 km

• M1: 115,639 km (0.057 R)
• M2: 1,298,958 km (0.08 R)
• M3: 2,426,926 km (0.076 R)
• M4: 2,743,176 km (0.09 R)
• M5: 3,049,553 km (0.08 R)
• M6: 3,583,617 km (0.117 R)
• M7: 4,018,348 km (0.114 R)
• M8: 5,153,198 km (0.065 R)
• M9: 5,679,633 km (0.054 R)
• M10: 6,395,459 km (0.11 R)
• M11: 8,078,584 km (0.107 R)
• M12: 8,560,738 km (0.06 R)
• M13: 11,539,980 km (0.12 R)
• M14: 12,296,197 km (0.106 R)
• M15: 16,757,953 km (0.119 R)
• M16: 20,448,832 km (0.113 R)
• M17: 24,113,681 km (0.093 R)
• M18: 26,140,732 km (0.062 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 11,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit