🌌 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: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.55 AU - 0.55 AU

Year: 150 Days

Day: 13.7 Hours

Environment

Temp: 166 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.86 AU - 1 AU

Year: 329 Days

Day: 12.4 Hours

Environment

Temp: 81 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,129,502 km

• M1: 87,664 km (0.095 R)
• M2: 268,977 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.05 AU - 2.51 AU

Year: 1264 Days

Day: 46 Hours

Environment

Temp: -73 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.6 AU - 2.62 AU

Year: 1548 Days

Day: 17.3 Hours

Environment

Temp: -100 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.78 AU - 3.92 AU

Year: 2251 Days

Day: 26.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 60.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 12.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.44 AU - 5.94 AU

Year: 4340 Days

Day: 13 Hours

Environment

Temp: -141 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,129,502 km

• M1: 163,361 km (0.112 R)
• M2: 587,321 km (0.094 R)
• M3: 995,424 km (0.118 R)
• M4: 1,740,721 km (0.077 R)
• M5: 2,356,765 km (0.069 R)
• M6: 2,833,533 km (0.114 R)
• M7: 3,233,109 km (0.07 R)
• M8: 4,743,898 km (0.062 R)
• M9: 5,627,274 km (0.101 R)
• M10: 6,139,497 km (0.114 R)
• M11: 7,017,337 km (0.101 R)
• M12: 7,720,297 km (0.12 R)
• M13: 8,126,605 km (0.1 R)
• M14: 9,515,621 km (0.087 R)
• M15: 9,940,330 km (0.101 R)
• M16: 10,736,490 km (0.096 R)
• M17: 11,622,707 km (0.086 R)
• M18: 12,862,425 km (0.077 R)
• M19: 13,647,365 km (0.09 R)
• M20: 14,912,813 km (0.07 R)
• M21: 16,801,636 km (0.113 R)
• M22: 18,515,429 km (0.063 R)
• M23: 20,064,964 km (0.028 R)
• M24: 21,918,781 km (0.109 R)
• M25: 22,887,427 km (0.057 R)
• M26: 28,952,723 km (0.085 R)
• M27: 29,576,696 km (0.076 R)
• M28: 31,036,621 km (0.07 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: 395 - 11,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit