🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.81 AU - 0.91 AU

Year: 297 Days

Day: 14.8 Hours

Environment

Temp: 78 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.28 AU - 1.86 AU

Year: 733 Days

Day: 41.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,918,368 km

• M1: 670,498 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.44 AU - 2.38 AU

Year: 984 Days

Day: 38.5 Hours

Environment

Temp: -60 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,918,368 km

• M1: 145,559 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.65 AU - 2.65 AU

Year: 1175 Days

Day: 39.9 Hours

Environment

Temp: -85 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.6

Radius: 14.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.94 AU - 5.48 AU

Year: 4433 Days

Day: 12.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,918,368 km

• M1: 187,745 km (0.1 R)
• M2: 818,899 km (0.059 R)
• M3: 1,604,437 km (0.095 R)
• M4: 2,237,087 km (0.066 R)
• M5: 2,799,126 km (0.048 R)
• M6: 4,588,316 km (0.069 R)
• M7: 5,678,137 km (0.075 R)
• M8: 7,674,221 km (0.085 R)
• M9: 9,523,700 km (0.062 R)
• M10: 11,292,395 km (0.095 R)
• M11: 13,182,864 km (0.046 R)
• M12: 16,894,237 km (0.105 R)
• M13: 18,679,688 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.4

Radius: 7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 14.84 AU - 17.08 AU

Year: 23769 Days

Day: 23.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,918,368 km

• M1: 91,105 km (0.045 R)
• M2: 734,376 km (0.113 R)
• M3: 1,163,123 km (0.084 R)
• M4: 1,522,009 km (0.08 R)
• M5: 1,922,632 km (0.086 R)
• M6: 5,918,989 km (0.095 R)
• M7: 6,589,936 km (0.067 R)
• M8: 8,283,683 km (0.114 R)
• M9: 9,742,113 km (0.107 R)
• M10: 16,576,342 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 16,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit